Currently viewing the category: "Prominent Moth Caterpillars"
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Location: Clarks Summit,Pennsylvania
August 8, 2011 10:49 am
I found this in the middle of my cousins driveway and i’m not sure what it is.
Signature: Joey M

Traumatized Prominent Moth Caterpillar

Hi Joey,
This is a Prominent Moth Caterpillar in the genus
Heterocampa.  Compare your individual to this image on BugGuide.  It is a typically green caterpillar, and just prior to metamorphosis, it frequently turns pink.  Judging by the unnatural anal discharge, we fear this individual has been traumatized to the point that it will not live to see its winged stage.  It appears to have been squished.

What's That Bug? does not endorse extermination

Caterpillar grouping
Location: Sioux Lookout, NW Ontario
August 1, 2011 1:29 pm
Hi! I’ve been seeing these caterpillars in groups each summer and wonder what they are….I’d like to show them to my preschool class but would like to know what they are first (since they will almost certainly ask!).
Signature: Mike Lawrence

Found him through your site, many pages in…Red Humped Caterpillar….Thanks !

Red Humped Caterpillars

Hi Mike,
We are very happy to learn that you were able to self-identify your Red Humped Caterpillars,
Schizura concinna, by browsing through our archives.  As far are requests go, summer is the busiest time of year for us and many requests go unanswered.  More information on the Red Humped Caterpillar is available on BugGuide.

What's That Bug? does not endorse extermination

Vietnamese Bug Boggle
Location: Mekong River, southern Vietnam
June 4, 2011 1:01 am
This guy was found on a farm at the edge of the Mekong River near the village Cai Be, Southern Vietnam.
Thanks if you can name it for me ^_^
Signature: Jardine

Lobster Caterpillar

Dear Jardine,
This most unusual looking Caterpillar is known as the Lobster Caterpillar,
Stauropus fagi.  It is a caterpillar in the moth family Notodontidae, and the species is found across the Eurasian continent and including the islands of Southern England and Japan.  Here is a link to a photo on the UK Moths website and here are images from the Moths and Butterflies of Europe and North Africa website that show much of the life cycle.  We will be out of the office for a week in mid June, and we do not want our regular readers to suffer any bug withdrawals, so we are preparing your request to post live to our site on June 13.

What's That Bug? does not endorse extermination

More Catapillars
Location: Houston, Texas
March 21, 2011 9:59 pm
These pictures were taken October 23 2010. The catapillar I’m most curious about is the tan one in all three pictures. Me and my sister thought it was super cute. The other catapillar in the third image is less cute and really familiar looking, I think because I’ve seen that type of catapillar a lot growing up. What kind of catapillar is that little tan one? If it’s easy to identify, what is that yellow striped one?
Signature: Thanks a lot, Kelly Bufkin


Hi Kelly,
Your tan caterpillar is a Puss Caterpillar or Asp, the larva of the Southern Flannel Moth,
Megalopyge opercularis.  Handle the Asp with care as it is a stinging caterpillar.  The yellow striped caterpillar appears to be one of the Prominent Caterpillars, possibly Datana contracta based on images posted to BugGuide.

Prominent Caterpillar meets Asp

What's That Bug? does not endorse extermination

what is this?
Location: Sacramento, CA
November 9, 2010 12:01 am
Hello there,
Three of these caterpillar/larva are on my deck. I have never seen anything like them before. I took the picture. Also, what is that reddish orange part that isn’t the head? Hope you can help.
Signature: MaryLynn

Red Humped Caterpillar

Dear MaryLynn,
Knowing where to begin a search is often very helpful.  We thought your caterpillar resembled a Prominent Moth Caterpillar in the family Notodontidae, and we were quickly rewarded while searching BugGuide with the Red Humped Caterpillar,
Schizura concinna, a species found coast to coast in North America.  The “reddish orange part that is not the head” is the hump, though we cannot say for certain what its purpose is.

Wow! You guys are sure prompt. Many thanks, Daniel.

What's That Bug? does not endorse extermination

Location:  northeast Pennsylvania
August 26, 2010 5:00 pm
I’m looking for the identity of these caterpillars. They were feeding on a blueberry bush. They fed in bunches at the end of a branch and raised their head and tail when disturbed. Seen in mid- August.
Angela H.

Drexel's Datana Caterpillars

Dear Angela,
The defensive posture you have described and photographed is consistent with the Prominent Caterpillars in the genus
Datana, and the food plant and the coloration indicate that your specimens are Drexel’s Datana, Datana drexelii, which is described on BugGuide.

Thank you!!  I’ve been trying to find out what tese are ever since I first saw them!  I really appreciate your help.

What's That Bug? does not endorse extermination