Currently viewing the category: "Longhorn Beetles"
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Subject: What is this insect
Location: Nsw
February 18, 2017 7:28 pm
Hi just wondering what this is
Signature: Bug identification

Feather Horned Longicorn

Based on images posted to Project Noah and to the Worldwide Cerambycidae Photo Gallery, we are quite confident this is a Feather Horned Longicorn, Piesarthrius marginellus.

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Subject: Mystery beetle in queensland
Location: Giru, queensland, oz
February 2, 2017 9:10 pm
Hi, I found lots of these little beetles (some mating too) on pumpkin and cucumber vines in the garden… not sure if they’re eating them, just trying to identify them but not getting anywhere! They’re fast movers, and good at scaling sides and tops of things, but got a pic of one. They’re 5-6mm. Thanks so much for your help!
Signature: Holi

Longhorned Borer Beetle

Dear Holi,
We have tried searching both Checkered Beetles and Longhorn Beetles to ascertain the identity of your interesting individual.  We then wrote to Eric Eaton and he made the identification for us.

Eric Eaton Provides Identification
I had to really dig, but I think I found it.  Indeed it is a flat-faced longhorned beetle, family Cerambycidae, subfamily Lamiinae, and the genus Apomecyna, pretty sure:
I hope the above link works to get you the image I am looking at, which is essentially identical to the specimen in the images you e-mailed.
There are some really, REALLY weird longhorned beetles in Australia!  Just do a Google image search and be blown away!
Have a great weekend.
author, Kaufman Field Guide to Insects of North America

Longhorned Borer Beetle

Ed. Note:  Eric’s link took us to the site.  We found Apomecyna histrio on this Csiro page.

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Subject: Bug at school
Location: Pearland, Tx
February 1, 2017 1:36 pm
Dear bug man,
We found this big outdoors by our school
Can you please let us know what the 🐜 is please and thank you
Signature: Landon

Banded Hickory Borer

Dear Landon,
We are quite confident this is a Banded Hickory Borer
Knulliana cincta, which we identified using Arthur V. Evans book Beetles of Eastern North America.

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Subject: Longhorn beetle
Location: Philadelphia, Harare, Zimbabwe
January 31, 2017 6:14 am
I have narrowed down the identity of this beetle to Tithoes Confinus or Tithoes Maculatus. What do you think?
Signature: Majotso

Prionid: Some species of Tithoes

Dear Majotso,
We have several Prionids from Africa in our archives that we have identified as
Tithoes confinus, but we would always defer to true experts when it comes to determining the exact species.  Many times members of the same genus require close examination to determine an exact identity and we just do not possess the necessary qualifications to make that determination.  Perhaps one of our readers will be able to provide more specifics.  This posting from our archives has some information on distinguishing T. confinus from T. maculatusISpot has many postings from the genus, and not a single one is identified as T. maculatus, and several are identified as T. does have an image of a pair of T. maculatus, and the range is listed as “Angola Bénin Burkina Faso Cameroun Centrafrique Côte d’Ivoire Gabon Gambie Guinée BIssau Mali Niger Nigeria Rwanda Sénégal Soudan Tchad Togo” and not Zimbabwe.

Which Tithoes species???

Thank you Daniel,
I posted this pic on NatureWatch NZ and got feedback from Jacob and fubr as being T. maculatus frontalis which I now agree with.

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Subject: Crawling bug
Location: CT
January 28, 2017 3:09 pm
I recently brought in wood from a wood pile and have found a few of these crawling on my floor. I live in CT
Signature: Freaked out by bugs!

Red-Headed Ash Borer

Dear Freaked Out by Bugs!,
Was the wood by chance Ash?  This appears to be a Red-Headed Ash Borer and according to BugGuide:  “Larvae feed on the sapwood of ash and other hardwoods, and even occasionally on vines and shrubs. Larvae are common in downed timber with the bark left on.”  We agree with you that your wood pile is most likely the source of the sighting.  Warm conditions indoors often hastens the metamorphosis process, causing early emergence in the winter.

Thank. You. Yes some of the wood is ash and some still has the bark attached. Are these bugs dangerous?
Julie Gray

Hi again Julie,
Members of this family often have extremely strong mandibles that they use to chew their way to the surface after metamorphosis and large members of the family, especially those Prionids in the subfamily Prioninae may draw blood if they bite someone who carelessly handles them.  Red-Headed Ash Borers might produce a pinching bite, but we doubt they can draw blood.  In our assessment, they are not dangerous.


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Subject: Longhorned like bug
Location: Auckland
January 26, 2017 1:10 am
Hello, found this guy in the house. Unfortunately it’s dead, but I’m still interested to know what it is.
Signature: Lisa


Dear Lisa,
This is a Longhorned Borer Beetle or Longicorn in the family Cerambycidae, but we are not certain of the species.  There are very few species identified on the Landcare Research Manaaki Whenua site.

What's That Bug? does not endorse extermination
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