From the monthly archives: "May 2015"

Subject: Unidentified Longhorn Beetle
Location: San Jose Succotz, Belize
May 27, 2015 4:26 am
We have taken this foto of we believe is a longhorn beetle in San Jose Succotz, Belize
But we are not able to indentify it.
Thks for your support.
Signature: Dries Nys, Dallas Texas

San Jose Succotz - Unidentified Longhorn Beetle

San Jose Succotz – Unidentified Longhorn Beetle

Dear Dries Nys,
You are correct that this is a Longicorn, but unfortunately, we are pressed for time this morning and cannot research its species identity at this time.  Perhaps one of our readers will supply a comment today.

Subject: what’s this insect
Location: western Maryland
May 27, 2015 7:07 am
Wondering if this was another type of Dobson fly. was laying eggs in clumps on leaves beside the river. North branch Potomac river.
Signature: jordan

Dark Fishfly Laying Eggs

Dark Fishfly Laying Eggs

Hi Jordan,
Your Dark Fishfly in the genus
Nigronia is classified in the same order as a Dobsonfly.  We believe your individual is Nigronia fasciata based on comparing the markings on the wings to individuals posted to BugGuide.  According to BugGuide:  “Emergence of adults may be synchronized. Adults are diurnal (seen flying near streams) and also nocturnal, so come to lights. Eggs are laid on the underside of vegetation overhanging a stream. Larvae are aquatic, predatory. Perhaps take three years to mature in more temperate areas, such as West Virginia. Pupation occurs in earthen cells on the edge of streams.”

Subject: West Texas
Location: West Texas
May 25, 2015 12:55 pm
What is this strange bug? We have had a lot of rain lately, located in West Texas. Very interesting insect…
Signature: Ashley Jones

Robber Fly

Robber Fly

Dear Ashley,
This Robber Fly in the family Asilidae is an accomplished predator.  Based on images posted to the Plants and Insects of Goodwell and Texhoma site, this is a male
Efferia aestuans, a species with no common name.

Subject: Looks kind of like a firefly
Location: New Jersey
May 25, 2015 4:56 pm
Rescued this bug from a pool after it flew in, but I don’t think it’s a firefly. I did some googling but I haven’t found anything quite like it. Thanks for your time!
Signature: David


Tanbark Borer, we believe

Dear David,
This is a Longicorn in the family Cerambycidae, and we believe its dramatic coloration, especially the red thorax, and its spring emergence should make it relatively easy to identify.  We were wrong and for now it is running unidentified.
P.S.  We are tagging you as a Bug Humanitarian.

Update:  May 26, 2015
We used Arthur V. Evans book, Beetles of Eastern North America, where we found a similar looking Phymatodes amoenus pictured, and that led us to the related Tanbark Borer, Phymatodes testaceus, on BugGuide.  According to BugGuide, it is:  “native to Eurasia; widely established around the world, incl. e. US and, more recently, in the Pacific Northwest” and it feeds on Oaks with the larvae boring in the wood.  According to NatureSpot:  “The adults are active nocturnally and will come to light but are rarely seen otherwise under normal circumstances.”  Seems like you were tagged with the Bug Humanitarian Award for rescuing an Invasive Exotic species, another tag on our site.

Subject: Please help identify this.
Location: North West Ireland
May 24, 2015 4:32 pm
This is a bug that has 6 legs. It looks like it has a very small abdomen. The bug has been seen in Letterkenny, Co. Donegal, Ireland, including my bedroom window. There is a photo of it I took. I have been mystified by this insect and can’t find it anywhere online.
Signature: Justin Doherty

Male March Fly

Male St. Marks Fly

Dear Justin,
We believe this is a male, because of his big eyes, March Fly in the family Bibionidae.  Your individual looks similar to the image posted on the GoFlyFishingUK site.
  After visiting iSpotNature, we believe this is a St. Marks Fly, Bibio marci.