Currently viewing the category: "Geometrid Moths"

Subject: Yellow moth with clear spots on wings
Location: Arlington, Virginia
February 23, 2016 11:30 am
I found this moth last summer in Virginia. Very small, about a 1.5-2 inch wingspan. Spots on wings are transparent. Love your site. Thanks.
Signature: Dan

Yellow Moth

The Beggar

Dear Dan,
We did a quick search and did not turn up an identity, but we feel confident that one of our readers may have better luck before we can return to this research.

Thanks for checking. I have been looking at pictures of moths for the past year and I still can’t figure it out. Oh well!

Update:  The Beggar
Thanks to a comment from Ben, we didn’t have to research the identity of this lovely moth any longer.  It is The Beggar,
Eubaphe mendica, and according to BugGuide:  “This is not a typical geometer in appearance, at least.”   That might explain the difficulty we had on our first attempt at identification and why this has troubled Dan for a year.

Thank you so much Ben and WTB 🙂 I can now sleep at night.

We surmise that will be some relief after a year of deprivation.

Subject: Unknow Bug
Location: Prescott, AZ 86301
February 20, 2016 12:01 pm
I found this insect on the side of my house and I have no idea where to start for an identification. Thoughts?
Thanks in advanced
Signature: Ed Wright

Pug

Pug

Dear Ed,
Based on this and other images posted to BugGuide, we believe your moth is a Pug, a Geometrid Moth in the genus Eupithecia.  According to BugGuide, they are   “Commonly referred to as pugs because of the short underwings.”

Emerald
Location:  Mount Washington, Los Angeles, California
February 18, 2016 10:50 PM
Upon arriving home from work tonight, this gorgeous green Emerald, possibly Nemoria leptalea which is pictured on BugGuide, was waiting on the front door.  According to BugGuide “Larva can be found on buckwheat” and we have three Buckwheat plants in the garden.

Emerald, possibly Nemoria leptalea

Emerald, possibly Nemoria leptalea

Sent Via Personal Email
Subject:  Moth on Door on Avenue 44
Location:  Mount Washington, Los Angeles, CA
February 9, 2016 8:27 AM
hi, can you tell us the species, please?
and this one, from yesterday?
what happens if the porch light has attracted them and they stay all night…
will they die because they have not flown – or eaten?
c.

Geometrid Moth

Geometrid Moth

Dear Clare,
We believe both of your moths are in the family Geometridae and there are so many similar looking individuals in the family that we often have difficulty with species identifications.  The one with the elongated wings might be a Pug in the genus
Eupithecia based on this BugGuide image.  According to BugGuide:  “Numbers By far the largest moth genus with over 1400 species worldwide. About 160 Eupithecia species are found in America north of Mexico.  62 species in Canada (CBIF). Several species are Holarctic.  Identification Many Eupithecia species require dissection for identification and there are many undescribed species.  Adults at rest often hold their long forewings (with hindwings hidden beneath) at right-angles to the body, giving a distinctive “soaring hawk” appearance.  Food Larvae feed mostly on Asteraceae and also other plant families.”  We would not eliminate that it might be Glaucina erroraria which is pictured on iNaturalist though according to BugGuide:  “Dissection often needed for this group.”

Pug

Pug

Subject: Weird gray bug and its eggs
Location: Gastonia, NC
January 16, 2016 12:37 pm
I’ve been finding these strange gray bugs on the exterior of my hard-coat stucco home. They’re easy to kill/knock off and don’t seem to fly, but they’re super annoying because they keep coming back and laying these hard egg things (which I also destroy).
Signature: BB

Flightless Female Moth lays eggs

Flightless Female Moth lays eggs

Dear BB,
This is a flightless female moth in the family Geometridae, and there are several genera in the family with flightless females.  Our first thought is this might be a Winter Moth,
Operophtera brumata, and though it looks similar to this BugGuide image, BugGuide does not report them as far south as North Carolina.  Another possibility is the Woolly Gray, Lycia ypsilon, and it is found in nearby South Carolina according to BugGuide, but there are no images of the female or the eggs there. The closest visual match to your moth we can find is the female Fall Cankerworm Moth, Alsophila pometaria, and according to BugGuide they are active “Fall through early winter”  but the eggs pictured on BugGuide look very different from your eggs.  Pest Control Canada has an image identified as the Fall Cankerworm, but again, the eggs of that species look different.  So, while we are confident this is a flightless, female Geometrid Moth, we cannot identify the species for certain.  The Moth Photographers Group has a nice page devoted to flightless female moths.

Hi Daniel:
Thanks so much for your response! I’m glad they’re just moths.

Subject: White-barred Emerald Moth
Location: Mexico
January 9, 2016 2:40 am
I think this may be a White-barred Emerald Moth (Nemoria bifilata)? or relative.Found in San Sebastian 3/12/15.
Signature: Graeme Davis

Emerald

Emerald

Hi Graeme,
This is an Emerald in the subfamily Geomertinae, but there are many North American species that look quite similar and we suspect those species are also found in Mexico, so we cannot say for certain that this is a White-Barred Emerald.  In addition, there may be more species found in Mexico that do not range across the U.S. border.  BugGuide has many images of many similar looking species.  We rarely attempt a definite species ID with this subfamily.