BASF Cy-Kick CS Insecticide, Controlled Release Indoor Outdoor Pest Control for Mosquitos, Flies, Ants, Fleas, 16 Ounces Concentrate Liquid
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Availability:
In Stock.
Arrives
Thursday, Aug 27
Style: Insecticide
Features
- Controlled Release Insecticide: Broad-spectrum power, controlling insects inside and outside; SmartCap microencapsulation technology delivers a long residual and a mobile lethal dose that will attach to and move with the insect
- Active Ingredient: Cyfluthrin 6.0%; Concentrate liquid; Apply using handheld or backpack sprayers; 16 oz bottle with tip and pour spout; Mix 1-2 oz per 1 gallon of water; See label for application and dilution instructions
- For Use in and Around: Apartments, houses, commercial food storage and handling areas, kennels, farm structures and pens, commercial and industrial buildings; Refer to product label for complete list
- Effective Insect Control: Works on a variety of 55 common structural pests including ants, bed bugs, cockroaches, earwigs, fleas, millipedes, flies, mosquitoes, scorpions, spiders, wasps, bees, and yellowjackets; Effectively kills within 2 to 3 days
- Read, understand, and follow the label safety, application, storage, and disposal instructions; Harmful if absorbed through skin; Causes moderate eye irritation; State restrictions may apply
Description
BASF - BCBI10113 - 792075 - Cy-Kick CS - Insecticide - 16oz
Item Form: Spray
Item Weight: 16 ounces
Liquid Volume: 16 fluid ounces
Active Ingredients: Cyhalothrin 6.0%
Brand: BASF
Brand Name: BASF
UPC: 804338142209 804338144579
Included Components: Concentrate Liquid
Manufacturer: BASF
Model Number: 792075
Part Number: BCBI10113
Item Form: Spray
Target Species: Ants, Bed Bugs, Flies, Cockroaches, Fruit Flies, Fleas, Spiders
Special Features: Fast-Acting, Long-Lasting, Weather-Resistant
Item Weight: 16 ounces
Liquid Volume: 16 fluid ounces
Specification Met: EPA
Active Ingredients: Cyhalothrin 6.0%
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Aug 27
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Style: Insecticide
I am a long time resident of Las Vegas. I had only seen one scorpion in 29 years of living here, then we bought a new house near the desert and we saw them inside. It freaked me out but I just put a jar over them and threw them outside. They increased in frequency and my son was stung, it was uncomfortable but he didn't need to go to the doctor. Sightings increased over a few years and they seemed to be inside about once a week, then in May of 2020 I stepped on one. Within a few minutes I became really sick and landed in the ER with anaphylaxis. it was both life threatening and very painful and I was warned that it would be worse next time. This elevated the issue to super high priority. The good thing is very few people are allergic to them the way I am, however I understand that they still have a painful sting, and I have heard at the vets they can hurt or kill a small dog or cat, I have both. We had hired exterminators that specialize in scorpion removal, but they really didn't help much. The scorpions would be gone only for a few days then they were all over the backyard again at night, and in the house both day and night. The exterminators told me the scorpions are too rugged to effectively kill, etc. and that nothing would really work to get rid of them. I reluctantly accept that it is their territory and to expect them, but they were completely out of control at my house and I couldn't believe that was just something I had to put up with. As an aside, people I know from all over town have mentioned never seeing them before but in recent years they are inside their houses too. Maybe they are cyclical in population, not sure. Out of necessity, I have learned a few things about scorpions. 1. as everyone says get a black light and check your yard at night to get an idea of how many are around. I was told for every one you see there are about 300 around that you don't, as they are reclusive. If there are a whole bunch outside you are much more likely to get them inside. For my house, in the hottest months I could see 12 to 15, thats when they were inside the most. 2. They love palm trees. They also love block walls. Your efforts to get rid of them should focus on wherever you see the highest concentration of them. 3. They go dormant as soon as the daytime high temp drops below 89 degrees F. So at least in wintertime you don't have to worry about them quite as much. 4. I determined that they were living in my tile roof shingles and coming down the vents. Have a roofer check your vents. There are vents that have to do with the plumbing (stack vents), also bathroom fans and exhaust fans. None of the vents at my house had screens even the bigger ones, which I was told was part of code and is needed to keep rodents and birds out. I ended up hiring a roofer to put wire mesh over every vent at my house. 5. Do really good weatherstrip and replace your door sweeps, they come in gaps that are as big as a credit card. 6. I don't really believe in "safe" pesticides (ie the roundup lawsuits), and I really hate to kill anything. But given my situation I have no choice, so for the times I do see scorpions I keep some cans of Terro scorpion killer within reach. It is very effective, killing them within 5 minutes after a direct hit. I like that it shoots up to 6 feet away so I don't have to get close enough to risk getting stung. Even with all the sealing of my house, at the end of April this year once it started getting warm out, my cat was throwing something up in the air and catching it, which turned out to be a huge bark scorpion. This was right in the doorway of my master bath where I would have pretty good chances of stepping on it. Then there were two more in the house within a week. I was wondering how I was going to keep living in this house when someone told me about Cy-kick. Not really expecting much after the song and dance from the exterminators, I bought some cy-kick and a sprayer and doused the base of the house outside, around all the windows and doors, and the palm tree trunks. This was in early May, now after repeating applications of it once a month all summer long I can say I finally feel safe in my home again. Since I started using cykick there have not been any scorpions inside the house. Outside, the day after the first use, I saw three. Usually they just sit, the first one I saw was marching around in circles going fast which tells me it may have been feeling the effects of the pesticide. The other two I saw were in some of our little palm trees that I hadn't sprayed and that are not their favorite, which told me the cykick chased them out of their preferred homes. The next month, I sprayed all the palm trees big and small, and I didn't see any outside. In July, it poured rain the same day I had sprayed, and we saw three out in the yard a little over a month after I applied it, so the rain didn't seem to remove the protection. I would highly recommend this product. It works well spraying once a month, with a good husqvarna sprayer, I also use glasses and a mask and long sleeves when I spray it. I keep my dogs inside for two hours after spraying. It seems to keep other creepy critters out of the house like roaches and earwigs and such.
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Reviewed in the United States on August 28, 2021 by brightside
Style: Insecticide
Was reccomended for a spider, cricket, and ant problem. Wanted to make sure to not get scorpions. Used this once and already noticed a difference. Highly effective Have only seen the ocasional house spider. The ants were more stubborn. Easy instructions to follow. Make sure to wear safety protection as with any chemical.
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Reviewed in the United States on July 24, 2026 by Mickey123
Style: Insecticide
TLDR: I overreacted about a large outdoor roach, bought tons of insecticides. I only sprayed this Cy-Kick one time, and used nothing else, and it killed everything. It also didn’t seem to have any impact, or cause side effects on my dog or my rabbit. I do recommend taking all pets and people out of the house when spraying. I’d planned to close off my rabbit in one part of the house I’d spray after the rest had dried, but even after turning off the air I could sense he was concerned about something and acting stressed. Ultimately, I took him outside and that’s where he stayed until it dried. So don’t let young children, or pets stay in the house after spraying until everything dries. Also, don’t spray within 4 hours of rain, neither 4 hours before, or 4 hours after, as it will diminish the effectiveness. I’d also suggest spraying the outside early in the morning, about 30-60 min before sunrise. Best of luck in your war. I hate knowing someone out there is suffering through some infestation. But I do highly recommend this, just follow the directions and use your best judgement on spraying as it’s considered a crack/crevice/barrier type of insecticide; and not one to spray every sqft of your home with. Since 2020 I’ve had Orkin come out and spray every 2 months, and for the majority of the time I was pretty happy with the service. At the time (2020) I had seen two Smokey Brown Roaches (the large outdoor kind) in my kitchen one night, and that was enough for me to sign 3 annual contracts with Orkin since I was happy with the results. However, fast forward to 3-4 weeks ago, and I’d seen a Large outdoor roach in my bedroom. I couldn’t get to it in time and it escaped under my bed. I actually slept on the couch for 4 days, I even bought an aerobed. 5 days after that initial run in, I assumed I was probably safe (since I’d sprayed some raid in the cracks/crevices around my room.) But nope, I was wrong. Sure enough, I see the same damn one in my room again. This time it escaped behind my bookshelf, which is so heavy it’s basically not movable. I sprayed like crazy with that ortho bug barrier and some raid kill on contact spray. I slept in the living room again for another few nights, and thought I was finally safe. Unfortunately not though. I walked into my master bathroom, and I see that same damn roach chillin in my shower just being nasty and moving his antennae all around being disgusting. This time I killed it, ironically after this drawn out battle I kinda felt bad about killing him. If it was anything else I’d of caught it and let it out, but not that nasty thing. After the battle was over, I realized I was tripping out after getting hardly any sleep for 2 weeks. Because of my sleepless delusions, I then began to second guess myself as to whether or not it was the same roach, and I had some extreme paranoia about having an infestation. (I tend to overreact with roaches after living in a rent house that was infested with thousands, upon thousands of german roaches. They were living inside of the freezer, in the fridge, and even the clock lights of the stove, as well as everywhere else you could imagine. Not to mention the 100’s of large adult rats that also occupied the house. It was a nightmare, and by law should’ve been condemned. It sounds laughable, but I swear the whole experience gave me PTSD. To this day I’m not sure how I lived through that.) So I did a lot of research, and quickly started prepping to take action. I began searching to seal any holes, find any crevices or openings, and to find any water leaks. After I was content with my preparations, I then decided this Cy-Kick would be the first one I’d spray. I mixed 1 oz or 2 oz into my gallon hand pump sprayer (whatever the max amount the directions instructed to use for heavy infestations) and I set off by first spraying all the cracks and crevices in my home. I also sprayed every window, door, baseboard, room entryway, and showers/tubs in my home. I didn’t use the fine spray setting like I should’ve, so it took around 4 hours to dry. Afterwards I let my pets inside, and I set out to spray the outside. I sprayed this 4ft up and 4ft out with the sprayer while using the large fan/fine mist setting with my sprayer. I went all the around my house. I even sprayed the entirety of my front and back porch, and both of my wooden decks. I even sprayed the privacy fence that boarders my nasty neighbors who don’t bag their trash. (They’re soon going to be in for a surprise, especially since they just recently moved in.) When spraying the porch, I made sure to spray heavily into the cracks in the concrete, and shortly (10 seconds) after spraying I saw 2 large roaches scurry out looking at me, almost as if they were asking me “wtf?” Because of ridiculousness, and my experience in that rent house, I then was basically on high alert. I didn’t sleep for the next 24 hours, as I was unsure how the insects inside would react. Over the next 24 hours, I did find a few bugs that weren’t roaches dead on the floor, but that was it. All in all, I found less then 5-10 small bugs dead on the floor inside over the next 72 hours. But I did find 100’s of dead gnats, flies, june bugs, ants, and other insects that must’ve (unfortunately for them) landed on my porch or deck while being attracted to the porch light. I haven’t yet seen anything inside whatsoever since my first spray. Honestly, I didn’t see anything on my deck, or my porch for over 2+ weeks. I now see ants, and other insects on the porch, but in very small numbers compared to before. Before spraying, especially at night, I’d see those large outdoor roaches almost every time I went out on my porch late at night. However, now 3+ weeks after spraying, and I only sprayed with this Cy-Kick insecticide that one time; I haven’t seen any roaches at all, not inside, and not even outside late at night. Clearly I overreacted by how little dead bugs I found in my house, especially after dousing my home like it was gasoline to set fire to my enemies home. I kinda feel a little dumb after how paranoid I was, but I’m sure someone can relate. I’d rather be thorough, overreact, and do things right. However, I will say that in hindsight, I certainly needed to spray the outside of my home. I grew so use to seeing those large outdoor roaches on my porch late at night, that I suppose I just accepted it as normal. But now, I realize just how many there was, as well as the fact that they were living in the cracks of the concrete on my porch, and occasionally searching for food/water inside of my home. I bought a ton a insecticide. Like 5-6 different brands with different types of method of actions, mostly just incase something didn’t work (and paranoia.) I also bought 3 types of roach bait, and Novacide among a few other things. But funny enough, all I needed to spray was this, and I still only sprayed that one time (albeit it was extremely thorough.) Now obviously, large outdoor roaches, and German roaches are two totally different things. So, I can’t honestly speak to whether or not it’s just as effective for them. But for the outdoor type, this was extremely effective. I figured that if this was a common “go to” for killing scorpions, it would be plenty effective for my use case, and it certainly was. I don’t have scorpions in Southeast Texas, but there are lots of insects, and basically nothing survived. I definitely recommend it. (Edit: 9/23/2023) So I finally saw my first roach outside on the porch late at night, and I quickly geared up for another battle. I still have yet to see anything inside (outside of the stray moth that sneaks in when opening the back door for my chow late at night.) After spraying the outside a second time (9/17/2023) I haven’t seen anything else since. It seemed more to coincide with getting heavy rain for the first time in months. So, while it will stick through the rain, I’d suggest to reapply it after it rains heavily (many inches over 3+ days) if you last sprayed more than a month ago. It still seems to stick, but if you don’t want to find any living insects I’d suggest to reapply in that scenario. (Continuation from 9/23/2023) On a side note, I had a small table with a glass top near the porch that was knocked over by my dog, and broken. Unfortunately, since it was tempered glass, it was a huge mess. I had glass somehow fly upwards of 25ft from where it had broken. Still kind of a mystery how that was even possible. But I mention this because I was the one who had to clean it up by hand, knowing otherwise that my dog, or my rabbit would get into it. While I was cleaning it up, I was looking closely at the grass and soil for any glass and picking it up by hand (it took me more than an hour.) While doing so, I noticed tons of exoskeletons, and wings. I mean, tons. I actually felt pretty grossed out after realizing what it was I was seeing, and picking through. Thinking back to my first application, I found tons of dead bugs on my porch and deck, but I didn’t see a ton of dead roaches after spraying, and I guess it’s because they all decided to die in the grass. This stuff really kicks a**
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Reviewed in the United States on August 18, 2023 by Phoenix Lain
Style: Insecticide
This is what the pro's use, so it's an easy choice. If you have a company spraying for you and they don't use this, you need to fire them immediately. I used to spray professionally and this is the best product on the market. Big companies might use this (but highly diluted). Hence, companies water down the concentrate so it lasts longer. You should mix 1 ounce of concentrate with 1 gallon of water. That is plenty strong for standard bugs, roaches, beetles, spiders, centipedes, etc. Spray every 4-6 weeks from April-Oct. Don't spray in the winter, no need, and wasteful (even in hot climates, with no real winter). However, if there is a scorpion problem, mix 1.5 ounces with 1 gallon of water, and spray every 4 weeks. Do NOT mix any more concentrate than that or you'll prob. create a toxic dump. This WILL kill scorpions, they're just a little harder to kill, not impossible. For additional scorpion control, buy a black light b/c they fluoresce (in the dark) and you can find where they're coming from. Spray extra in those areas. Don't worry, scorpions have poor vision so they can't see you very well, if at all. They can feel vibrations, so try not to disturb whatever surface they're on and spray them before they run away. A standard 2,000 sq/ft home only needs about 2 gallons or less of this sprayed (depending on yard size, sheds, etc). Why have a company charge you $40/month or more to use a diluted chemical? This should last you about 3 years depending on your house size/yard. Don't buy the Home Depot/Lowe's products, they are not residuals or commercial grade! This lasts the longest b/c it's micro-encapsulated (protects it from the sun, etc.) to release at different intervals throughout the month. Other chemicals are in full force once you spray them and probably last 3 weeks or less (depending on your climate). Use Nitrile gloves from any Home Depot/Lowe's ($2-$3) b/c they'll protect you the best (or heavy rubber gloves). Spray outside, no need to ever spray inside unless you have a major infestation. If needed, only spray the corners, window sills, entry ways. You don't want chemicals in your home, especially with kids. Allow to fully dry 1-2 hrs (even if it looks dry). If you have an ant problem, use Termidor (baits: Terro, Amdro, Maxforce, Advance, Niban, Advion, Phantom II). Ants can detect Cy-Kick to an extent, but Termidor smokes them easily. Again, only use Termidor outside. Bugs come from the outside and get inside. Spray outside: the foundation, garage, front porch area, back patio area, window sills, front/back door ground areas, inside the water boxes for sprinklers and the water shut off valve (usually connected on the street sidewalk). UPDATE: I've noticed some reviewers still have persistent infestations, if that's you, then up the concentrate level when you mix (but not past 2 ounces per gallon). Keep in mind, bugs don't die instantly by touching Cy-Kick. Bugs will ingest, or absorb it after it sticks to their bodies. As previously noted, if you have ant issues they can detect Cy-Kick to a degree. If so, use Termidor, it is the best ant/termite chemical and can't be detected. But DO NOT mix Termidor with Cy-Kick or spray together. I'm surprised naysayers still deny this works, or say it only lasts 2 weeks (typically it's 6-8 weeks). Try it against any Ortho product from your local store, it'll beat them every time. I used to spray 20-30 houses a day, working 8-10 hours a day, 6 days a week. I know what works and doesn't. The reason I posted this info is b/c many pest control companies rip people off with pricing, use other weak chemicals (b/c they're cheaper), or they use Cy-Kick but significantly dilute the concentrate. I've seen receipts stating .006% concentrate from good companies. Really? Thanks for the sugar water, but no thanks. Bed bug issues? Spraying chemicals does little with bed bugs. They hide in crevices, come out at night, are attracted to your body heat, and the carbon dioxide you exhale. However, they do not like high temps. Either take your furniture outside and let it sit all day in hot weather, or get the temp over 120 in your room and you'll see them run & die. If you get it over 140 they'll die within 1 minute. Pro's use heaters and seal off the room until they die. Good luck
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Reviewed in the United States on April 17, 2012 by Simps
Style: Insecticide
I have been battling a German cockroach infestation in my kitchen for about one year now. The issue is that the source of infestation is not located in my kitchen, but somewhere else in the building. The roaches seem to have a pathway to my kitchen, through the walls, and get to my kitchen to party. Exterminators hired by the leasing office keep coming every few weeks and apply gels (and once sprayed all my cabinets). The roaches disappear for one or two weeks, and then come back with a vengeance. The leasing office finally had the exterminators treat the whole building two months ago (or so I thought). The roaches disappeared for 3 weeks, and came back. I decided to take matters into my own hands and buy the most pestiferous, pestilent, mortiferous, near-human-fatal, nuke-grade insecticide I could find and spray my kitchen top to bottom. If I can't avoid the roaches from coming in, then I want to kill them on touch. Come in, die; come in, die. I was driven to this Cy-Kick from reviews. The night I got it from the mail, I bathed my kitchen in it, highest concentration; cabinets, walls, floors, crevices, food, glasses, plates, soda, I did not care. I just wanted to kill them roaches, have them die some immediate, however painful death. Day after, I did not see anything. Two days after, one dead adult roach here. Three days after, two adult roaches walking on the carpet outside the kitchen. I sprayed the kitchen again, top to bottom, and also sprayed the carpet and walls just outside the kitchen, and sprayed the walls of the bathrooms where the water pipes come out. Couple of days later, still spotting one or two adult roaches walking on the floor. I could hardly believe not even Cy-Kick was working (update about that below). Then I had about 10-15 nymphs appearing in the course of 1-2 days. Some innominate, blighted female had for sure laid an egg to torment my life. And then, the nymphs were gone and for 2 weeks I have killed only one extra female, ready to lay an egg, far away from the kitchen. Update: ------- I was still spotting single roaches in the kitchen, mostly on the floor. After collecting the roaches in a plastic bag and presenting them to the exterminator/leasing office, and with the help of a broad-shouldered, loud-voice-equipped new tenant who seemed to have moved into the apartment in which the roach nest was located (and who gifted the leasing office with a couple of loud-voice complaints), the exterminators sprayed the whole building (with their own spray, do not know the kind). As I was removing objects from the kitchen cabinets in preparation for the spraying, I found out why I was not seeing too many dead roaches from the Cy-Kick. The dead ones here hidden inside the cabinets, out of sight! I found several dead roaches. As the roaches do not die immediately upon touching Cy-Kick, they went about and died somewhere else, into hiding. Before the exterminators did their spraying, I did mine, using deadly Cy-Kick. After the building-scale spraying, a couple of roaches tried to get in through the bathroom, and I promptly gave the Cy-Kick treatment to holes, pipes, cabinets in the bathroom. It's been a few months, and I have not seen any roach since. It seems too good to be true... but I stick with Cy-Kick. It killed them, although it will not eliminate them if the nest is left untouched, outside reach. Update June 2013: ----------------- Roaches are gone. During Summer, a few insects were getting in through my balcony screen door, where it had a larger space between the frame and the glass window. I sprayed some Cy-Kick around the frame and floor. Insects disappeared. When it is time to move to a new place, I already have the plan of spraying the whole place, prior to moving, with Cy-Kick. Update December 2014: --------------------- I moved to Texas, and the place wherein I live has a huge assortment of crickets and a myriad of beetles. There are also black roaches who try to sneak in from pipes, but luckily the american roaches, which unfortunately exist in Texas, are rare wherein I live. I used Cy-kick in the garage and outside the front door to attempt controlling the crickets that were entering the home through the door. Notice it is the same bottle of Cy-kick I purchased more than 2 years ago. The next morning, there were dozens of dead crickets and beetles spread out in the garage and front door. The ones which eventually got into the house would die a few meters in. And the dead insects continued to appear 2 months after the initial spraying. Although that shows the effectiveness of this product, I actually felt bad for killing all the crickets and beetles. They do not bother me and are not pests (and do not scare the heck out of me) as cockroaches. I try not to kill insects anymore (but collecting them and putting them outside). Roaches, however... One cannot reason with roaches. I will not spray outside anymore, but only the inside of the home and garage, attempting to strike a balance between not allowing the insects to enter the home, and not ending up killing dozens of them.
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Reviewed in the United States on November 13, 2012 by Locksmith
Style: Insecticide
Multiple purchases. We use for scorpions. Works well. Easy to use consentrate.
Reviewed in the United States on July 3, 2026 by Diane
Style: Insecticide
When our family of 5 (that was raised to 7 courtesy of twins within a year) moved into our new house, we were ecstatic. The house was great and we even got 5 acres of land to go with it. However, our youngest son at the time found a folgers coffee can full of dead scorpions in the garage. We hadn't noticed anything out of the ordinary up until that point. The realtor hadn't mentioned any problems either. The nightmare was about to begin. When we had already closed on the house and were moving things in we started to see scorpions almost daily. Within the first week we found anywhere from 7-10 scorpions. On the ceiling, in the clothes hamper, etc. My wife and youngest son got stung almost immediately. We would see as many as 15-20 a week on bad weeks. We roughed it through that first summer thanks to our family lab having some weird sense of knowing there were scorpions. He would actually track them down outside at night and in the house and start barking like crazy until we would come kill it. Sometimes he would bite at them as well, but I suspect he didn't want to get stung any more than us so he always went with the barking first. Anyhow, August of that year we found out we were expecting twins. Not long after our lab passed from old age. We began to panic that one of the scorpions would end up in the crib, so we started looking for solutions. We tried a few pesticides, but none seemed to work. I went to a pool chemical place and was advised to try Cy-Kick. While they charged $80 for the same product you can get on here, thank the Lord it did the trick. We went from seeing consistently 7-10 a week (even in the bathtubs, sinks, etc during drier seasons) to maybe 3 - 5 the entire summer. The trick is to spray about once a month or month and a half once it starts to warm up. Since I live in central Texas, that means I usually spray from late March until Sept/Oct. Scorpions are incredibly resiliant so it does not always kill them, but I find that when you I do find them in the house, they almost look drunk and are not an issue to stomp out. I have heard they rely on vibrations and smell to track prey (not sure which if both are true), but we have noticed they seem to simply avoid the house. We just recently opened an indoor trampoline park and were getting tons of spiders and moths, as well as the occasional scorpion and I immediately busted out the Cy-Kick. Problem solved. If you are having issues, then up your mix slightly, but make sure you are spraying at least once a month or month 1/2 and try not to do it right before it rains. It needs a couple hours to soak in and dry. Focus on the foundation, doors, and window frames. I did use mine in the house the first year, but haven't needed to do so since. I highly recommend this product. It literally saved our family from summers of agony. As a bonus, we had major wasp and yellow jacket problems that it solved. It didn't kill on contact like some of the wasp zapper sprays, but by soaking the hives, we found they wouldn't return. If this doesn't work for you, then you are doing something wrong.
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Reviewed in the United States on April 30, 2013 by J. Crow
Style: Insecticide
Works well for keeping the pests out of my house! I have been using this product for years.
Reviewed in the United States on July 7, 2026 by Kyle