Currently viewing the category: "Leaf Beetles"
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Subject: Flea Beetles Eating Up Texas Primrose?
Location: Coryell County, central Texas
April 28, 2013 11:04 pm
Are these Flea Beetles, perhaps even Altica litigata, eating the Texas primrose? Bug Guide lists primrose as a food for the A. litigata, but I’m not sure if that’s what these insects are. They look like miniature Egyptian scarabs to me. I’ve included a photo of a healthy Texas primrose as contrast to the eaten ones. Warm, sunny weather today, 80 degrees. Thank you so much.
http://bugguide.net/node/view/492289
(Last entry for awhile, back to work for me! I enjoy your website so much. Makes me think, helps hone my research skills, and it’s all so interesting.)
Signature: Ellen

Flea Beetles

Flea Beetles

Hi again Ellen,
We agree that these are Flea Beetles.  We haven’t the necessary skills to key them down to a species level, but based on the stated food plants, we believe your identification of
Altica litigata is most likely correct.

Flea Beetles

Flea Beetles

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Subject: Beetle
Location: Columbia, Maryland
February 5, 2013 4:02 pm
Been looking to ID this beetle. Got your book Curious World of Bugs, and thought maybe a 10 line beetle. An entymologist suggested a ”potatoe beetle”. What say you? It was photographed by a pond.Mid July, 2013.
Signature: Bill

False Potato Beetle

Hi Bill,
The Ten Line Beetle you mention is probably a Ten Lined June Beetle, and that is a much larger insect than this False Potato Beetle,
Leptinotarsa juncta. According to BugGuide:  ” a brown stripe at the center of each elytron (wing cover) and on the inner edge of each elytron (where they meet down the middle) distinguish this species” from the Colorado Potato Beetle,  Leptinotarsa decemlineata.

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Subject: Small bumpy beetle
Location: Connecticut, USA
January 20, 2013 3:02 pm
I have this specimen in my collection, and I’ve never been able to find any info about it… even about the family (darklings? weevils?) !
All I found is this photo on the net, from a photographer in Connecticut, who also had problems identifying this insect.
It measures about one quarter of an inch and resembles a snoutless weevil.
Thanks you
Signature: David

Warty Leaf Beetle

Hi David,
Are you certain this is a beetle?  Darklings and Weevils are both good guesses, but alas, both families are enormous and diverse.  We did some initial searching, and we found a Darkling Beetle that this is not.  It is not Forked Fungus Beetle pictured on BugGuide.  Do you have any additional photos that show the antennae and mouthparts?  That might be helpful.  We will contact Eric Eaton to get his opinion.

Update:
Thanks to a comment from Jacob, we now know that this is a Warty Leaf Beetle, in the genus
Neochlamisus which we verified on BugGuide.  “Adults resemble caterpillar droppings” according to Bugguide

Eric Eaton Confirms Identification
Hi, Daniel:
No, it is a beetle alright, a “warty leaf beetle” to be specific, in the family Chrysomelidae and genus Neochlamisus:
http://bugguide.net/node/view/38181
They mimic caterpillar droppings, if you can believe that!
Great image!  I’d love to blog about these, and would enjoy using this picture with the photographer’s permission.
Thanks for sharing!
Eric

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Subject: Scarab Victorian Brooch
Location: Oregon
January 15, 2013 5:09 pm
This brooch had four beetles on it, but one fell off. If you Google, ”green scarab beetle,” lots of pictures of this species come up for sale called, ”antique Victorian brooch.” One website, http://wanderinweeta.blogspot.com/2010/07/ancient-mystery-beetle.html, has the best pictures I have seen where one commenter says it’s not a scarab, but rather, a tortoise beetle (Chrysomelidae). I am interested in your opinion, and whether or not you know if a replacement to fix my brooch is possible.
Signature: Jerry Burke

Antique Tortoise Beetle Brooch

Hi Jerry,
We agree 100% that these are not Scarab Beetles, but rather, that they are Leaf Beetles in the family Chrysomelidae, possibly Tortoise Beetles in the tribe Cassidini.  Here are some examples of North American species from BugGuide.  We have never seen this particular species, but we did find other examples online of Victorian jewelry made with these beetles which are incorrectly being called Scarabs, as well as some modern jewelry by Lito Karakostanoglou.  We will continue to research this matter.

After finding numerous examples of Victorian Jewelry made with these Leaf Beetles incorrectly identified as being Scarab Beetles, we finally found the Mid-19th Century Jewelry website with this image correctly identified as being earings made of Tortoise Beetles.  The Evolution website has a pair of earrings with the species identified as Desmonota variolosa with this information:  “Tortoise Beetle Earrings – Desmonota variolosa  The tortoise beetle is a member of the leaf beetle subfamily. These tortoise beetles have been mounted on a pair of sterling silver earrings. Their beautiful green sheen is sure to attract attention and open the wearer up to a host of compliments.”  You might want to consider ordering a pair of earrings from Evolution and having a jeweler replace the missing Tortoise Beetle in your brooch.  According to Encyclopedia Britannica:  “The pits and grooves covering the South American leaf beetle Desmonota variolosa give it an iridescent green colour with depth resembling that of an emerald.”  There is a nice image of these beetles in the Hunterian Museum & Art Gallery Collections website.  We have given up hunting for a photo online of a living Desmonota variolosa, but we just thought of a new search idea.

We did find a similar looking red Tortoise Beetle from Costa Rica on the Nature Closeups website that is identified as being in the genus Spaethiella.  We also found a gorgeous blue and red Tortoise Beetle from the Amazon on Green Tracks News identified as being in the genus Eugenysa.  Alas, we could not find any images of living Desmonota variolosa.  If any of our readers get lucky enough to find a photo of a living specimen of Desmonota variolosa, please comment on this posting.

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Subject: gold beetle?
Location: Ojai, California
January 11, 2013 9:09 am
My brother found this in his garden in southern California. Any idea what it is?
Thanks for your time.
Signature: Jeff

Tortoise Beetle

Dear Jeff,
This is a Tortoise Beetle in the tribe Cassidinae.  In trying to identify your species, the coloration looks most like the Anacua Tortoise Beetle,
Coptocycla texana, a species BugGuide lists only in Texas.  The markings look most like the Clavate Tortoise Beetle, Plagiometriona clavata, though we are not used to seeing this golden coloration in that species.  Interestingly, while researching this on BugGuide, we found your photo and the current opinion there, as posted by Ron M is:  “Although the golden shine… …doesn’t match any examples currently in the guide, I think it will be Clavate Tortoise Beetle (Plagiometriona clavata) but please wait for other opinions.”

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Subject: Red Beetle
Location: Ulu Belum, Perak, Malaysia
January 3, 2013 8:13 am
Hi,
Found this beetle, beetle I think, at Ulu Belum, Perak, Malaysia.
Can you identify it
Signature: Asyraf

Leaf Beetle

Dear Asyraf,
This appears to us to be a Leaf Beetle in the family Chrysomelidae.  We are not certain of the species.

What's That Bug? does not endorse extermination