Tag Archives: food chain

What's That Bug? does not endorse extermination

Sexton Beetles bury Mouse

WTB??
My daughter nearly stepped on these while walking her dog through a recently mowed field. I have scrolled through your bug links until I am dizzy and cross-eyed. Can you tell me what they are? They seemed to be feeding on a small dead rodent, possibly killed during the mowing. (Notice the hitch-hiker flies.) Thanks.
Vicki
South-central Missouri

Hi Vicki,
These are Sexton Beetles or Burying Beetles. They will bury the mouse and lay eggs on it. It just seems odd that there are so many at work as they generally work as a couple. We believe these are Tomentose Burying Beetles, Nicrophorus tomentosus.

Wheel Bug eats Paper Wasp

Wheel Bug eating a wasp.
I got some good photos today of a wheel bug enjoying its wasp lunch. Here are the two best ones. I hope you enjoy them.
Mike D.

Hi Mike,
All Assassin Bugs are effective hunters, and Wheel Bugs, probably the largest North American Assassins, can take significantly larger prey. This Polistes Paper Wasp is a good example.

Cicada Killer and Prey

Cicada and Unknown
I saw a cidada (I think) fall out of a tree in my backyard (St. Louis, MO, USA) and down came an iteresting insect that grabbed the cidcada and started climbing up the tree. Thought I would share.
Kyle Marsden

Hi Kyle,
This is a female Cicada Killer wasp. She will climb the tree and glide to her burrow with the stung and paralyzed Cicada. She will lay an egg and bury the Cicada which will remail alive and be a food source for the hatchling larval wasp. Our Cicada Killer reports are occurring much later in the season this year than usually.

What's That Bug? does not endorse extermination

Orange Spotted Assassin Bug

What’s eating the cricket?
This was taken earlier this evening with the night photography feature on my camera. What is this? Thanks. Love your web site.
Cathey

Hi Cathey,
There are several very similar looking Assassin Bugs in the genus Rasahus that are collectively known as the Orange Spotted Assassin Bugs. One species, Rasahus thoracicus, is also known as a Western Corsair. Sadly you did not provide us with a location which might have helped with the exact species.

Preying Mantis devours Monarch Butterfly

PRAYING or PREYING MANTIS IN OUR CONNECTICUT GARDEN (9-5-07)
Hello Daniel,
I hope this email reaches you. My first attempt failed, according to message received from my carrier, "due to an unexpected disconnection from service. Yes, I know you have praying mantis pictures posted on your site but perhaps these will be of use to you as well. On September 1st I commented, to my husband, that I’d yet to find a praying mantis to "shoot" for my photo collection of insects. On September 2nd, we were host to a tremendous monarch butterfly convention. Perhaps we are on a flyway here in Connecticut? They were swarming about our Joe Pie weed and having a great time. I suddenly noticed that one of the revelers was, apparently, "stuck" in the flowers. It was behaving as if engaged in a battle. Upon closer examination, I discovered the truth. A battle to the death. Just look at the "arms" of the praying mantis . . . "all the better to hug you with, my dear. I’m wondering; can you tell if our ravenous praying mantis is a female or male? The creature is still here, well-disguised as a Joe Pie weed branch, waiting for another victim, but our monarchs seem to be gone. From Connecticut, would they travel to Mexico, California or Florida to spend the winter? Thanks for providing such a marvelous site for those of us fascinated by the insects found in our gardens. One does not have to travel far, as I have found, for great adventure!
Susan B. Naumann

Hi Susan,
What a marvelous Food Chain documentation. Your Chinese Mantis might be a male, but we cannot be certain. Your Monarchs would not winter in California but the Oyamel Fir forests of Mexico’s Transverse Volcanic Belt.

Cicada Killer with Dog Day Harvestfly

After going to your website after my first experience with the Cicada Killer( at the time, I had no idea what it was), I thought I would share a pic with you. Thanks for having your website and solving my "mystery". Many thanks,
Mike and Kathy
Oxford Florida

Hi Mike and Kathy,
We just recently removed the Cicada Killer from our homepage since identification requests, which peaked in July, had dwindled. Looks like your robust female Cicada Killer has nabbed a Dog Day Harvestfly for her brood’s meal.

Green Lynx eats Gulf Fritillary

Green Lynx Spider
I was told this is a green lynx spider, and thought you might enjoy these photos I took of one on my passion vine.

What a wonderful addition to our Food Chain pages: a Green Lynx Spider feeding on a Gulf Fritillary.

Parasitized Cecropia Caterpillar

Large green caterpillar
Hi,
I just found this large catterpillar hanging from a tree and was wondering what it was. I found it hanging in what I think was a eurpean buckthorn tree in the Oak Ridge’s Morraine, Clarington, Ontario, Canada. It was at the edge of a forest with bitternut hickory trees, swamp oak, white oak, red oak, pines, maple, silver birch, butternut, hawthorn, yellow beech and a wide variety of plants. I’m curious about what it is and will turn into! It seems to be quite close to changing into a chrysalis, it was hanging upside down and not moving when I found it. It’s very inactive.
Stella

Hi Stella,
The good news is we can identify your Cecropia Moth Caterpillar. The bad news is that it will not live to adulthood. The orange, yellow and blue tubercles are typical caterpillar markings, but the white nodules with the brown spots are a sign the caterpillar has been parasitized, probably by a Brachonid Wasp. These pupa look much smaller than the Brachonid Pupa we sometimes see on Sphingidae caterpillars and Saddleback Caterpillars, so they must be a different species. We will try to contact Bill Oehlke to see if he can tell us what species of Brachonid parasitizes Cecropia Caterpillars.

Crab Spider catches Pipevine Swallowtail

Crab Spider feasts on Pipevine Swallowtail.
Hi again bugman,
I thought I would share with you another image taken the same day as the puddling pipevine swallowtails I sent in, this one of a crab spider enjoying its pipevine swallowtail lunch. Hope you enjoy it!!! Keep up the great work
Michael

Hi Michael,
We have never seen documentation of a Crab Spider with such a huge catch. It is a wonder the spider managed to hold onto that Pipevine Swallowtail. Thanks for sending us another image from the Great Smoky Mountains National Park near Gatlinburg, Tennessee.

Assassin Bug eats Cricket

Whats that Bug
Hey Bugman, caught this in my kitchen feeding on a housefly. I put him in a little bugviewer and took some pics. It stabs its prey with its needle and sucks em dry. It stabs the bugs all over rolling it around while it eats. Never flew but it has wings. Doesnt make any sounds. Walks around very slowly. Int the photot he is eating a cricket. I live in Columbia Missouri.
Nouri

Hi Nouri,
This is an Assassin Bug in the genus Pselliopus. Be careful handling your pet since they can bite and the bite is painful.

Spiny Oak Slug Caterpillar

slug?
My daughter found this creature crawling on a rotting stick in the woods in Southwest Missouri. We initially thought it was a caterpillar, but see that it moves like a slug or snail. It also appears to have antennae at the front like a slug, but similar protrusions all along its body. Are the white things on its back eggs, or perhaps parasites? It is approximately 3/4 inch long.

This is one of the Slug Caterpillars in the family Limacodidae. We believe it is a Spiny Oak Slug, Euclea delphinii. The “eggs” are really Brachonid Pupa, a parasite that feeds on the caterpillar’s inner tissues.

Black and Yellow Orb Weaver catches hapless Hummingbird

Spider with hummingbird
Hey Bugman,
Like everybody else I love this site!! I came home from work yesterday and saw this carnage outside my bedroom window. I had been watching this Golden-Orb Weaver (I call it the zig-zag spider) for days but was shocked at the attached picture. As I lifted the shade to get a better look at the female ruby throated hummingbird I also saw a poor cicada was also trapped in the spiders web. Needless to say this spider will not be hungry for many days. Just thought you might enjoy this picture. Didn’t know if you had ever seen anything like this before. This all took place in College Station, Texas.
Donell S. Frank

Hi Donell,
We are a bit nervous to post your photos (though that won’t stop us) because we fear that they might bring about the demise of numerous Black and Yellow Orb Weavers, Argiope aurantia. This is a most unusual catch for this regal spider, and we know that the nature loving public has a particular fondness for hummingbirds. Nonetheless, this is quite an amazing documentation. Thank you so much for sending the images our way.


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