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

Subject:  Bug
Geographic location of the bug:  Ground
Date: 09/09/2017
Time: 05:42 PM EDT
Hi. I found a bug that is orange and black and looks like a huge ladybug. What is it
How you want your letter signed:  Bug girl

Swamp Milkweed Leaf Beetle

Dear Bug girl,
This is a Swamp Milkweed Leaf Beetle,
Labidomera clivicollis, which you can verify by viewing this BugGuide image.

What's That Bug? does not endorse extermination

Subject:  Cute beetle
Geographic location of the bug:  Saint Paul, MN
Date: 09/03/2017
Time: 05:53 PM EDT
I saw this guy and was curious about what he is. Maybe a flea beetle?
How you want your letter signed:  Krista

Leaf Beetle: Calligrapha californica

Dear Krista,
Thanks to this BugGuide image, we have identified your Leaf Beetle as
Calligrapha californica.  According to BugGuide:  “The adult is a dark beige beetle approximately 6 mm long with 3 black stripes on its back” and “Larva feed on beggarticks (Bidens) and possibly other plants.” 

What's That Bug? does not endorse extermination

Subject:  Eggplant leaf eater
Geographic location of the bug:  Kenosha WI
August 26, 2017 1:36 PM
Can you identify this pest eating eggplant leaves in our Kenosha, WI garden?
How you want your letter signed:  Phil Wheeler

Colorado Potato Beetle Larvae

Dear Phil,
These are either Colorado Potato Beetle Larvae or a closely related species.  According to BugGuide:  “Potatoes and related plants” and eggplant and potato are in the same family.


What's That Bug? does not endorse extermination

Subject: What is this bug?
Location: Clayton, NM, USA
July 21, 2017 5:42 pm
I found this bug on our property in town but in an area that just grows what ever but it is mowed.
it was found on the plant in pictures, in Clayton, New Mexico, USA I was just curious what it is as I have never seen one like it.
Signature: Ayla S.

Feces Carrying Tortoise Beetle Larva

Dear Ayla,
This appears to be a Tortoise Beetle Larva in the tribe Cassidini, similar to this Thistle Tortoise Beetle larva pictured on BugGuide, however we are not convinced that is your species because BugGuide data does not include any New Mexico sightings, though there are Colorado sightings.  The description of where they were found is consistent with the BugGuide habitat:  “weedy fields and waste places where food plants grow.”  BugGuide lists the food as “various Asteraceae, incl. thistle (
Carduus, Cirsium, Onopordum) and knapweed (Centaurea) spp.” and the leaves pictured in your image look to us like they belong to the aster family.  There are other members of the genus and we suspect their larvae look similar, but the most specific we are comfortable responding is that this is a Tortoise Beetle larva from the tribe Cassidini.

What's That Bug? does not endorse extermination

Subject: Fancy mystery beetle
Location: Ashfield, Massachusetts
July 9, 2017 5:25 pm
My son found this boldly patterned beetle that appeared to be brushed with gold dust on a beech sapling that was covered in fat grubs reminiscent of potato beetle larvae that were eating the leaves. I don’t know if the larvae had anything to do with the beetle itself but I thought it might be worth mentioning even though I didn’t get a picture of them. These pictures were taken at the D.A.R. State Forest on June 28, 2017 in Ashfield, Massachusetts. I scoured all my insect field guides and guides to New England wildlife to no avail. I’ve asked amateur nature buffs and no one has been able to identify this little beauty. My brother suggested asking “What’s That Bug.”
Thank you
Signature: N. Gerlach

Leaf Beetle

Dear N. Gerlach,
This is a Leaf Beetle in the genus
Calligrapha, and many species in the genus look very similar.  Your individual appears to be Calligrapha rowena based on this BugGuide image.  According to BugGuide it feeds:  “on Cornus (dogwood).”

Leaf Beetle

Thank you so much!  I can’t wait to share this identification with my family.

What's That Bug? does not endorse extermination

Subject: Identify this nettle please?
Location: Virginia USA
July 9, 2017 1:45 am
This was found in central Virginia, USA. I’ve attached photos. Thanks so much!
Signature: Samantha

Larger Elm Leaf Beetle

Dear Samantha,
Is there an elm tree nearby?  This is a Larger Elm Leaf Beetle,
Monocesta coryli, which we identified on Getty Images and verified on BugGuide

What's That Bug? does not endorse extermination