Currently viewing the category: "moth caterpillars"
What's That Bug? does not endorse extermination

Subject: Spiny larva
Location: Thailand, Chiang Mai
March 2, 2015 5:36 am
Found that larva eating a leave in my garden.
No good idea to touch it – seems to have a light poison (acetic acid or so) in his spines.
Any idea what the adult bug would be?
Signature: Regards from the sunny Thailand

Stinging Slug Caterpillar

Stinging Slug Caterpillar

We believe this is a Stinging Slug Caterpillar in the family Limacodidae.

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What's That Bug? does not endorse extermination

Subject: Caterpillar
Location: Johannesburg, South Africa
February 27, 2015 3:44 am
We found this caterpillar in our garden today -late summer in Johannesburg, South Africa. I have never seen anything like it. Would love to know what it is. Many thanks!
Signature: Elizabeth

Death's Head Hawkmoth Caterpillar

Death’s Head Hawkmoth Caterpillar

Dear Elizabeth,
Though you may have never seen one before, the Death’s Head Hawkmoth Caterpillar,
Acherontia atropos, is a relatively common species in South Africa.

Daniel, thank you so much for your help!  Just to let you know, we carefully relocated the creature to an uncultivated verge further down our road so it is safe and well and not tempted to eat any more Arum Lilies.  Best regards, Elizabeth.

Julieta Stangaferro, Amy Gosch, Sue Dougherty, Ann Levitsky, Mary Lemmink Lawrence, Kathy Haines, Andrea Leonard Drummond liked this post
What's That Bug? does not endorse extermination

Subject: What the heck is this?
Location: Bay Area, California
February 25, 2015 4:11 pm
Can you please help me identify the creature I found today fervently attached to my ceanothus? It’s the ivory-colored stick-like thing roughly in the middle of the picture.
Thank you!
Signature: CdeP2007



Dear CdeP2007,
This is a Spanworm or Inchworm, the caterpillar of a moth in the family Geometridae.  Caterpillars in this family are often hard to distinguish from sticks, especially when they grasp a branch with their terminal prolegs, extending the body out away from the branch at an angle, much as your image illustrates.  It may be the caterpillar of a Sulfur Moth,
Hesperumia sulphuraria, which is pictured on the Moths of Orange County website.

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What's That Bug? does not endorse extermination

Subject: Sphingidae, Hawkmoth, possibly Hemaris? caterpillar
Location: Nagoya, Japan
February 12, 2015 6:22 am
Here is a hornworm, found in November in Nagoya, Japan, which I have been trying in vain to identify for a few months. I thought it might be a Hummingbird Clearwing Hawk-Moth, but it has slightly different coloration. It was found on a night time walk near a thickly wooded and planted city park. It was across the street from any foliage and walking down the sidewalk toward a noodle restaurant. Assuming it was looking (in the wrong direction) for a place to pupate, I picked it up and carried it back into the park. It tried to ‘burrow’ between my fingers until I gave it a leaf.
I apologize for the night flash photos, but I didn’t have anything to carry it home in, and I wanted it to have a chance to pupate if possible. I placed it under a bush and when it lay passively, I gave it a poke with a leaf. It immediately displayed a defensive flail that gave us both a heart attack! I have been searching through Sphingidae of Japan, but there is very little information and I have only found one other photo that matches the pale green sides with darker green stripes, tiny red lateral spots and blue ‘horn’. Any hints would be greatly appreciated!
Signature: James



Dear James,
We have posted your Hornworm image, and we hope to be able to provide you with an identification very soon.

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What's That Bug? does not endorse extermination

Subject: caterpillar ID
Location: Zambia
February 10, 2015 1:02 pm
Please identify this caterpillar or it may be a slug caterpillar or some kind of saddleback.
Just after rainy season close to Zambezi river at a lodge near Livingstone, Victoria Falls.
Thank you
Signature: Marc

Stinging Slug Caterpillar

Stinging Slug Caterpillar

Dear Marc,
We agree that this is a Stinging Slug Caterpillar in the family Limacodidae, and we will attempt to make a species identification.

Dear Daniel,
Thank you for your prompt response. I really appreciate it. The little horns flare when the caterpillar is disturbed. It reminds me of the nudibrancs you see under the water if you scuba dive… brilliant.
Kind regards

And is not the common name of a nudibranc a Sea Slug?

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What's That Bug? does not endorse extermination

Subject: please identify the caterpiller
Location: guwahati, Assam
January 25, 2015 11:15 am
one of m friend found this caterpillar in he garden…by looking at the photo, i van assume that it is a fifth instar larva..which is a mature one..ready to form coccon…but i couldnot identify it…so please help me in knowing its common name and also its scientific name if possible.
Signature: Trishna sarma

Oleander Hawkmoth Caterpillar

Oleander Hawkmoth Caterpillar

Dear Trishna,
We are speculating that your friend has an oleander plant growing near where this caterpillar was found.  The caterpillar is an Oleander Hawkmoth Caterpillar, a species that is listed under two different scientific names: 
Deilephila nerii or Daphnis nerii.

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What's That Bug? does not endorse extermination