Currently viewing the category: "Caterpillars and Pupa"
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Subject: What kind of caterpillar is this?
Location: Ames, IA
October 26, 2014 1:53 pm
I have found this caterpillar in the grass while taking my dog on a walk. I would like to know what species of caterpillars it is and what it will become. I was hoping this website would help me.
Signature: Emily

Whitelined Sphinx Caterpillar

Whitelined Sphinx Caterpillar

Dear Emily,
Your caterpillar is a Whitelined Sphinx Caterpillar,
Hyles lineata.

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What's That Bug? does not endorse extermination

Subject: Catapillar invasion

Location: Pacifica CA
October 26, 2014 2:42 pm
I have been invaded by hundreds of these catapillars around the outside of my house … Can you please give me some info on these critters – thanks !
Signature: Gina

Genista Broom Caterpillar

Sophora Worm

Hi Gina,
Your caterpillar is known as a Sophora Worm, the larval form of the Genista Broom Moth,
Uresiphita reversalis, and you can verify our identification by viewing this matching image on BugGuideAccording to Bugguide:  “‘Sophora Worm’ is reference to the native host genus: Sophora.  ‘Genista Broom Moth’ is an odd common name for a native North American moth as Genista (common name of ‘broom’) is an Old World genus, family Fabaceae.”  BugGuide also notes:  “Larvae feed on Acacia, Baptisia, Genista, Lupinus, Texas Mountain Laurel (Sophora secundiflora) and other pea family shrubs. Also reported on Crapemyrtle (Lagerstroemia indica) and honeysuckle (Lonicera spp.)” so we are speculating that one of those plants might be growing in your yard.

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Subject: Strange bug
Location: Naples, FL
October 25, 2014 2:15 pm
Yesterday I found a bug in the bathroom, a type I have never seen before. Since we occasionally have silver fish, I thought it might be an odd looking one. Then today I saw something move ever so slightly at the rug’s edge [an area rug in the den]. Closer checking and it looked just like the bug I found yesterday. I got a magnifying glass and tried to figure out what it might be. I spent the last 90 minutes searching the web as best I can. No luck. I’m as puzzled now as ever. I will attach a couple of photos, though not the best, but the best I could do.
The bug measures 5/8 inches by 1/4 inch. Color appears to me to be a tan or ivory and the head appears to be a redish color.
Any ideas?
Signature: Charles Sebrell

Case Bearing Moth Larva

Case Bearing Moth Larva

case bearing moth larva

Dear Daniel Marlos,
That was quick.  My thanks.  I have now checked it out with that title.  Must admit, I have never seen one before.
My sincere thanks!
charles sebrell
naples, fl
Life is just simpler if you plow around the stumps.

Dear Charles,
Thanks so much for your kind response to our terse identification of a Case Bearing Moth Larva.  We have decided that your original written request was so nicely worded and your response was so kind that we retroactively determined to go live with a posting.

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Subject: caterpillar
Location: Northwest Houston, TX
October 24, 2014 5:51 am
I found this in a parking lot in Houston, TX. I’ve lived here all my life and have never seen anything like it. It looks like some of the Sphinx Moth caterpillars I’ve seen in Google Image Search, but it doesn’t quite match any of them. Could you help me identify it?
Signature: Jeremy


Hornworm may be Banded Sphinx

Hi Jeremy,
We agree that this is a Hornworm in the family Sphingidae, even though it appears to be lacking a horn.  Our first impulse was that this resembles a pre-pupal Waved Sphinx Caterpillar, but the lack of a horn and the orientation of the light slashes behind the spiracles and running from front to back in orientation would eliminate that as a correct identification.
  A prepupal Modest Sphinx Caterpillar pictured on Sphingidae of the Americas also has the white slash marks oriented the opposite direction.  As we must leave for work now, we are going to write to Bill Oehlke to get his assistance.  We wonder if it might be an unusually colored Ficus Sphinx, Pachylia ficus.  We were unable to locate its identity on the Sphingidae of the Americas Texas page.

Wow, thanks!  I honestly didn’t expect such a quick response. You guys rock! Let me know what Bill thinks.

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Giant Silkmoth Caterpillar

Giant Silkmoth Caterpillar

Subject: Huge caterpillar found in Costa Rica
Location: Zona Norte, San Carlos, Costa Rica
October 17, 2014 11:10 am
Hi. I live in the Zona Norte in Costa Rica. Two nights ago, I found a huge green caterpillar crawling in our yard. It was 4-5 inches long and about 2.5 inches in diameter. It didn’t appear to have any hair or spines, or, if it did, they were very short. It also appeared to have narrow, yellow bands. The underside was black, I think. It rather looked like the caterpillar in Alice in Wonderland. In the picture, it’s next to a full size Maglite to give perspective. It made a cocoon the next day. Any help you can provide would be much appreciated.
Signature: Lacey

Saturniidae Cocoon

Saturniid Cocoon

Hi Lacey,
While we are unable to provide you with an exact species, we can tell you that this is a Giant Silkmoth Caterpillar in the family Saturniidae.
  Adult Giant Silkmoths are often large and spectacular looking.

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Pre-Pupal Hornworm, we believe

Pre-Pupal Modest Sphinx Caterpillar, we believe

Subject: Green tubular bug
Location: Albuquerque, New Mexico, Rio Grande Valley
October 15, 2014 6:48 am
Found this in the sand under a tree that has had a moth infestation. Facebook friends say it is a tomato hornworm, but it has no horns or spots and is a long way from the garden.
Signature: Emily

Dear Emily,
In our opinion, this is a pre-pupal Caterpillar in the family Sphingidae, and it is burying itself in the ground prior to pupation.  As you mentioned, there are no obvious features apparent.  If you provide us with a side view and the name of the tree you found it under, we will pursue this identification.

Thanks for the quick response! I can’t find another one, but it was under a cottonwood tree. I will look again later today.
The tree has been suffering from a tent caterpillar infestation.

Thanks for the quick response.  This is not a Tent Caterpillar, but since the host tree is a cottonwood, we believe this is in the genus Pachysphinx, most likely a Big Poplar Sphinx or Modest Sphinx caterpillar which is pictured on the Sphingidae of the Americas site.

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What's That Bug? does not endorse extermination