Tag Archives: Aquatic Bugs

Predaceous Diving Beetle

Wondering what this is?
Location: Bemidji, MN (Northern MN)
January 27, 2012 6:34 am
Hello,
My little 4 year old and I were trying to Google and identify this tonight. We were unsuccessfull so I’m writing to you for help. We took these pictures on 4/25/2011 at 10pm. It was outside our side door of the garage. We lived in the woods, thick with almost 40 year old red pines (planted as a tree farm, and then a couple homes were built within). Within a quarter mile is a small stream and wet land area. Hope this helps.
Signature: Thank you! Krissy H.

predaceous diving beetle krissy1 300x214 Predaceous Diving Beetle

Predaceous Diving Beetle

Dear Krissy,
This is a Predaceous Diving Beetle, and as its name indicates, it is an aquatic insect, however, it is also capable of flight if its pond dries out, runs out of food, or it seeks a mate.  It is in the family Dytiscidae (See BugGuide) and we cannot provide you with an exact species name, but perhaps Markikavana will write in with an identification.  The predatory larvae of Predaceous Diving Beetles are sometimes called Water Tigers.

Daniel,
Thank you so much.  I really appreciate it!  I think I made a donation to your site the day you sent me this email, now I can’t find a receipt.  Can  you tell if I indeed made the donation, sometimes I sit down to do something and can finish it due to my 4 year old–he doesn’t like it when I’m on the phone or computer.
Thanks again!
Krissy Hughes

Thanks for your kind intentions Krissy.  We will copy our webmaster who keeps track of website finances to see if he can verify the donation.

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What's That Bug? does not endorse extermination

Toe-Biter

This big ol’ bug looking beetle
Location: Jackson, Michigan
November 10, 2011 8:29 pm
My friend found this bug outside of a Target parking lot and we can not find out what it was. It seems like a rather big and unusual bug. I have never seen anything like it before. Can you please help me figure out what it is?
Signature: N8

toebiter nate 300x220 Toe Biter

Toe-Biter

Toe-Biter

Hello,
I am not sure why, but I just received my email back with no answer or any other type of information submitted or requested.

Hi Nate,
Sometimes when we have numerous emails we are trying to respond to, we just send a brief identification.  You missed our response which was “Toe-Biter”.  A Toe-Biter is also called a Giant Water Bug or Electric Light Bug.  It is an aquatic insect that is also capable of flying.  A closely related and even larger species is considered a culinary delicacy in Thailand.

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Toe-Biter

Large brown beetle or bug of sorts
Location: Regina, Saskatchewan
October 6, 2011 1:45 pm
Hello my name is Austin and my girlfriend found this insect in a childrens play structure at work.
Signature: Austin Asmundson

toebiter austin 300x202 Toe Biter

Toe-Biter

Dear Austin,
We have received numerous recent identification requests for Toe-Biters, also known as Giant Water Bugs or Electric Light Bugs.

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What's That Bug? does not endorse extermination

Caddisfly Larva from The Netherlands

water insect
Location: Eindhoven, The Netherlands
October 3, 2011 2:12 am
These are crowling on the bottom of my pond in the backgarden. We live in Eindhoven The Netherlands.
Please can you tell me what bug this is?
Signature: Ine Marijke

caddisfly larva netherlands ine1 300x171 Caddisfly Larva from The Netherlands

Caseworm

Dear Ine,
You have photographed the larva of a Caddisfly.  Caddisfly larvae are aquatic and they build cases from various materials, including sand, gravel, shells and twigs.  Each species of Caddisfly builds a different type of case.  Because of this trait, Caddisfly Larvae are frequently called Caseworms.

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Water Striders from Ireland

mystery insect
Location: South of Ireland
September 23, 2011 7:16 pm
Could you please identify the insect in the attaced photo. There are many of them in a river near my home in Ireland.
Signature: David

water strider ireland david 300x186 Water Striders from Ireland

Water Striders

Hi David,
Water Striders are such common insects on ponds, lakes, streams and slow moving rivers, that we cannot understand why they are so underrepresented on our site.  Because the spread of their legs distributes their weight evenly across a greater surface area, Water Striders are able to skate across the water without breaking the surface.  Water Striders feed on small insects that fall onto the water’s surface.  One group of ocean dwelling Water Striders contains the only true pelagic insects that are found far out to sea on the open ocean.

Dragon Hunter Naiad

Prehistoric leaf bug?
Location: central Wisconsin
September 21, 2011 10:09 pm
This year for school, we are doing an insect project, where you have to find 25 bugs and give its common name, genus, and species. We found this bug in a lake in Wisconsin. I can’t seem to find the name of it. Please help! It’s due Monday!
Signature: From Anna

dragon hunter anna 300x257 Dragon Hunter Naiad

Dragon Hunter

Hi Anna,
Normally we refrain from answering homework assignment requests that require the student do research.  We will not provide you with all the information you requested, but we will tell you the order is Odonata and that this is the aquatic nymph of a species of Dragonfly.  Armed with that information, you should be able to research the species since this naiad is so distinctive looking.
In the event our readership is curious, this is the naiad of a Dragon Hunter,
Hagenius brevistylus, and additional information is available on BugGuide.

Thank you so much! My partner and I really appreciate it. We spend hours trying to find it. I don’t think anyone else will have this bug! icon smile Dragon Hunter Naiad

Mosquito Project

My Mosquito Project
Location: Grand Rapids, MI
September 15, 2011 10:47 pm
Hey Bugman,
As we share a love for bugs and everything creepy crawly, I figured I’d share some of the photos I’ve taken during my Mosquito growing project. Our pool had become like a pond, and there were 1000’s of mosquito larvae swimming about. After learning about their process, I became so interested, I wanted to watch the whole thing, so I scooped some up, along with some algae and other things for them to eat in a jar and am having a LOT of fun watching this. I lost 90% of them when the cold snap hit, but the ones I have left are troopers and I actually have a few eggs left and a new one just hatched today, so here’s hoping icon wink Mosquito Project
Signature: Amanda Gorman

mosquito larvae amanda 300x235 Mosquito Project

Mosquito Larvae

Hi Amanda,
Thanks so much for sending us your photos.  Do you release the adults?  Are you feeding the adults warm blood?  We are positively intrigued by your Mosquito Project, but we cannot imagine your neighbors are terribly amused.

mosquito tumbler amanda 300x234 Mosquito Project

Mosquito Pupa

Hey Daniel,
I’m glad you guys liked my pictures. I’m actually not doing anything SPECIAL with the mosquito larvae. I had so much fun watching them in the pool, so I learned about them. Then, once I learned about the process, I wanted to watch the whole thing, so I literally just rinsed out a jar and scooped water out of the pool and those were the lives I got. Mostly larvae, a few pupae, and some eggs!!! I put fresh plant life in the jar to create oxygen, and I add a fresh leaf here and there for fresh oxygen. BUT I scooped out a wad of algae from the bottom of the pool so they had a good start on food, and then the jar sits in the sun, so it grows new algae every day. On cloudy days, I add just a little algae from the pool. As far as adults, like I said, it’s just a jar outside, so I’m just letting nature take it’s course. They will fly away when they are ready. I started this last Sunday and at the time between pupae, larvae, and newly hatched eggs (NEARLY microscopic) I had roughly 50 specimens. Then Tuesday morning we started our cold snap here in MI and I lost 80% of them. It seemed I had 9 strong ones that were troopers. 5 full grown larvae, 2 juvenile larvae from Monday, a TINY larvae that had JUST hatched, and ONE pupa. HOWEVER, it was SUPER cold last night and I lost even MORE. I am down to 5 I think. My pupa is gone too, which sucks….but I have eggs, I just doubt they will hatch in this weather.  I sent you all an identification request about a bug that was living with the mosquito larvae in the pool and skitters along the bottom. When I put some fresh algae in today, i must have picked up two of these guys, b/c now I have THEM living in the jar as well, so I attached 2 pictures of this bug in addition to the one I attached to my original identification request. It’s driving me nuts that I cannot figure out what this creature is.
I am having a lot of health issues so I cannot work right now, so this has been an AMAZING occupation of my mind and time. If nothing else this “project” prolongs their life SOME b/c otherwise they would have just all gone when the water drains out and the pool gets vacuumed.
I apologize this response is so long, it’s just no one else I know likes bugs enough for me to tell all the details to, so I got kinda carried away! icon smile Mosquito Project Thanks for what you guys do!!!

dragonfly larva amanda 300x179 Mosquito Project

Dragonfly Larva

Hi again Amanda,
Thank you for supplying additional information on the scope of your Mosquito project.  The new insect you submitted is a predatory Dragonfly Naiad, and perhaps it is responsible to the losses in your Mosquito Larvae due to predation.

Thx so much!! It was driving me crazy I didnt know what this bug was. I attriibute a combo of the dragonfly naiad and the cold to losing my little wigglers, but such is the circle of life. Im def gonna do this EARLY next summer!!

 

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Caddisfly Larva

What is this
Location: Yosemite, CA
August 30, 2011 2:43 pm
Last week we went camping for a few days in Yosemite and while playing in the river I kept noticing that every once in a while bubbles would come out of the sand. While trying to find the culprit I found this strange bug thing that kind of resembles a hermit crab. At first it looked like it had a shell with a beetle head sticking out of it. But after taking a closer look you see that it’s just a bunch of rocks and stuff stuck to it’s back. It stayed completely submerged under water the entire time we were there. Never seen anything like it. Picked it up. Took a picture of it and then put it back. I’ve searched on-line but never found anything close to it.
Signature: Super Curious in SoCal

caddisfly yosemite 300x198 Caddisfly Larva

Caddisfly Larva

Dear Super Curious,
We were puzzled at first by viewing your photo, but upon reading your email, we are certain that this is the larva of a Caddisfly.  They are frequently called Casemakers or Caseworms because of the shelters that are constructed by the larvae for protection.  Each species of Caddisfly constructs a unique case.  Some use twigs, and others use pebbles or shells for their homes.

Thanks a bunch!  I looked around at Caddisfly information after reading your e-mail and I’m sure that’s it.  It was really weird….it had a head that looked like a beetle and I never knew one could live underneath the water.  Always thought of aquatic bugs as kind of floating around on the surface.  Anyway, your site is great!  Love all the pictures.
Heidi

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