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

Subject: Strange beach beetle
Location: Mccarthy Beach Northern Minnesota
June 21, 2017 1:05 pm
Hi! I was on the beach and looked down and this insect was struggling to get out of a hole. His underside was a metallic orange and I was wondering what it was. Thanks!
Signature: Hailee

Jewel Beetle

Dear Hailee,
We thought your Jewel Beetle was a Golden Buprestid, but that species if found west of the Rocky Mountains.  We found a relative on BugGuide,
Buprestis striata, that looks like a convincing match to your beetle.

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Subject: Larvae in oaks
Location: Europe
July 7, 2017 5:16 am
This larva I found under the bark of an oak. If you could help me to identify! I think it’s a buprestidae member.
Signature: Charlie

Flathead Borer

Dear Charlie,
This is indeed a Flathead Borer, the larva of a Beetle in the family Buprestidae, but alas, we are not going to be able to provide you with a species identification.  It might be the European Oak Borer,
Agrilus sulcicollis, which is pictured here and is the subject of a technical paper on Cambridge.org.

Dear Daniel, thanks for your rapid answer. I will investigate from there, even I hope to help the larva to raise an adult and make a proper id.
Best regards,

What's That Bug? does not endorse extermination

Subject: Irridescent spotted beetle?
Location: Bloomington Indiana
July 5, 2017 9:36 am
I found this beautiful, unfortunately deceased, little guy on a concrete block by my house in Indiana on July 4th…I’ve been scouring the Web for similar pix to identify him (her?)…is it Red-legged Buprestis?
Signature: Trackzilla

Red Legged Buprestis

Dear Trackzilla,
You are correct.  This gorgeous Jewel Beetle is commonly called a Red Legged Buprestis.

What's That Bug? does not endorse extermination

Subject: Water Bug?
Location: SookeBC
July 2, 2017 10:35 pm
good day
just wondering if you would know that this little bug is? Live in Sooke British Columbia.
Thanks… Cheers
Signature: Laura

Western Sculptured Pine Borer

Dear Laura,
This is a Western Sculptured Pine Borer,
Chalcophora angulicollis, a species pictured on BugGuide.  According to BugGuide:  “Dark brown to black, sculptures on upper side, irridescent bronze luster, especially on underside. Fly noisily when alarmed. The only western species in the genus.”

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Subject: Jewel Beetle
Location: Augusta, GA, NA
May 21, 2017 3:12 pm
Hello,
Can you tell me what kind of beetle this is and where is it from?
Signature: CJC

Red Legged Buprestis

Dear CJC,
This Jewel Beetle is a Red Legged Buprestis,
Buprestis rufipes.  According to Beetles of Eastern North America:  “Adults are active in spring and summer.  Larvae develop in deciduous hardwoods” including honeylocust, beech, maple, hickory, tulip tree and slippery elm.

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Subject:  Metallic Wood Boring Beetles mating on a native California Black Walnut Branch
Location:  Mount Washington, Los Angeles, California
May 17, 2017 2:33 PM
We just discovered these Metallic Wood Boring Beetles “in flagrante delicto” on a twig of a Calfornia Black Walnut in our office garden.  They have excellent eyesight and moved to avoid the camera.  Interestingly, Charles Hogue does not list any members of the family in his landmark book, Insects of the Los Angeles Basin.  We are currently on a mission to attempt to identify the species.

Mating Jewel Beetles:  Dicerca hornii

We have put in a request to Dr Doug Yanega at UC Riverside, but meanwhile, we found this information on Dicerca horni Crotch on the UC Riverside Urban Entomology page:  “This is a common flatheaded borer of the Pacific Coast states. It belongs in a genus of medium-sized buprestids that are characterized by their dull-bronze color and the prolonged tips of the elytra (plate II, 1; figure 126). Dicerca horni is a dark, grayish bronze, 13 to 25 mm long, and has small, black, narrow, broken ridges on the dorsum. The larvae are approximately 2.33 times longer than the adults. This species occurs on many species of deciduous trees (including fruit trees) and shrubs, inhabiting dead or dying trees or dead wood on living trees. Adults may be seen from April to September. This is not a pest, but we receive many requests for its identification.” The species name led to this BugGuide image of Dicerca hornii (BugGuide has added an additional i to the scientific name) and it looks like a match.  There is also a lovely image on CalPhotos.  Our image shows some very pretty magenta highlights on the legs and edges of the thorax.

Confirmation Courtesy of James Hogue
This looks like a good name to me.  I have specimens of this species from the mountain ranges surrounding the L. A. Basin and from the lowlands of the San Fernando Valley.
Jim Hogue

What's That Bug? does not endorse extermination