Currently viewing the category: "Caterpillars and Pupa"
What's That Bug? does not endorse extermination

Subject: Catapiller
Location: Lancaster , California
April 8, 2015 9:53 pm
Hi, my friend found a catapiller , took a picture of it and sent it to me. I would like to know what the name of it is and what the name of the butterfly it turns into is name. Thank you .
Signature: Girl with questions, Allie

Whitelined Sphinx Caterpillar

Whitelined Sphinx Caterpillar

Dear Allie,
This is a Whitelined Sphinx Caterpillar,
Hyles lineata, and we believe that despite the drought, this is going to be a year with significant numbers of Whitelined Sphinx Caterpillars in desert areas because rains were well distributed, contributing to plant growth in the desert.  Adult Whitelined Sphinxes are streamlined moths that are often mistaken for hummingbirds.

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What's That Bug? does not endorse extermination

Subject: Worms
Location: Denison tx
April 6, 2015 5:34 pm
We have zillions of little worms hanging from Cobb webs out of the tree and the porches. Really everywhere. What r they and what can we do about them?
Signature: Michelle

Spanworms

Spanworms

Dear Michelle,
In the past, we have gotten reports of Oak Leafroller Caterpillars,
Argyrotaenia quercifoliana, hanging from trees, but a closeup of your caterpillars indicates they are a different species in the Spanworm or Inchworm family Geometridae.  We will research this and try to come up with a species identification for you.

Spanworms

Spanworms

Spanworms

Spanworms

They are killing my trees I think and I’m not sure what to do.  Parts of my trees are brown where they were budding leaves last week

Newly Planted Apple Tree, we presume.

Newly Planted Apple Tree, we presume.

Hi again Michelle,
One tree image you provided appears to be a freshly planted Apple Tree.  Please provide information on the tree.  What is it?  When was it planted?  Is this the only place you are finding the caterpillars?  It is possible the eggs were on the tree when it was purchased and now that all the young leaves have been eaten, the caterpillars are on the move searching for more food.  If their diet is limited to the leaves of apple trees, they will starve and you will no longer have the caterpillars, and unless the tree is really unhealthy, new leaves will sprout.  We just noticed you also attached an image of a large tree.  What kind of tree is it?  Are the caterpillars on all of your trees or only on selected trees?  The large tree should have no trouble resprouting if it is an otherwise healthy tree.  Birds and other insectivore predators should help to keep the numbers of caterpillars in check.

What Tree is it?

What Tree is it?

 

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What's That Bug? does not endorse extermination

Subject: Catapillars
Location: Vacaville, ca
April 3, 2015 12:33 pm
Please identify this catapillar in the attached pix. Location Vacaville, ca
Signature: Robin

Pipevine Swallowtail Caterpillar

Pipevine Swallowtail Caterpillar

Dear Robin,
It seems it has been years since we posted a new image of a Pipevine Swallowtail Caterpillar,
Battus philenor.

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What's That Bug? does not endorse extermination

Subject: What is this bug?
Location: Vacaville, California
April 4, 2015 2:22 pm
We came across this upon a park drinking fountain.
It looks like it has been painted with the brushes upon its back.
Beautiful!
What is it?
Signature: Painted Amazed

Western Tussock Moth Caterpillar

Western Tussock Moth Caterpillar

Dear Painted Amazed,
Earlier today we posted an image that might be a Western Tussock Moth Caterpillar,
Orgyia vetusta, but based on the nearly identical similarity between your individual and this image posted to BugGuide, we are quite certain your caterpillar is a Western Tussock Moth Caterpillar.

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What's That Bug? does not endorse extermination

Subject: Under the motorhome
Location: East Texas
April 4, 2015 6:31 pm
We just spent the past five months in an RV park near Miami FL. On the way home to CA, we stopped in Livingston TX. We were here for a week when this afternoon I found this infestation of caterpillars around the front of the RV and no where else in the area.
My questions:
What are they?
Did I bring them from FL to TX?
Is this a problem?
Signature: Frank Liberty

Forest Tent Caterpillars

Forest Tent Caterpillars

Dear Frank,
These are Forest Tent Caterpillars,
Malacosoma disstria, which we quickly identified on BugGuide, and while we cannot say for certain that you did not transport them from Florida to Texas, we believe it is highly unlikely.  According to BugGuide, they are found in both Florida and Texas, and they can be distinguished from other Tent Caterpillars based on this BugGuide description:  “Larvae: dark-gray to brownish-black background body color, highlighted by broad, pale-blue lines and thin, broken yellow lines extending along each side; dorsum of each abdominal segment has distinct whitish keyhole or shoeprint-shaped marking; body has fine, whitish, and sparsely distributed hairs.”

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What's That Bug? does not endorse extermination

Subject: Caterpillar
Location: Trona, CA.
April 4, 2015 5:41 pm
Dear Bugman,
Long time!
Here we have a photo of a specimen we saw out at the Trona Pinnacles, roughly 20 miles east of Ridgecrest, CA. Approximately 2″ long, these critters were everywhere! Is the horn dangerous? What kind of butterfly do they (possibly) evolve into?
Thanks again!
Signature: Tomas Arceo

Whitelined Sphinx Caterpillar

Whitelined Sphinx Caterpillar

Dear Tomas,
This is the caterpillar of a Whitelined Sphinx,
Hyles lineata, a species that periodically has tremendous population explosions in desert areas that often coincide with years when desert blooms also peak.

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What's That Bug? does not endorse extermination