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Moth, dorsal - Desmia maculalis - male

Moth, dorsal - Desmia maculalis - Male
Albuquerque, Bernalillo County, New Mexico, USA
June 18, 2012
Size: 26.0 mm spread wingspan
Download high resolution image here.

I caught this at night resting on a wall under a porch light in Albuquerque, NE, Alameda 7.5 minute quadrangle.

The D. funeralis page is empty now, so I was hoping to place this there upon expert confirmation. Brian Scholtens reportedly states that D. funeralis and D. maculalis may be sorted by wingspan (< 21 mm = D. maculalis, 21-24 mm = overlap zone, > 24 mm = D. funeralis) if outside the overlap zone. At 26mm, that puts the subject specimen squarely in D. funeralis's range. He also is reportly states that the species may be separated by high magnification images of its mouth parts, so I have provided those. I do not know what details to look for, though, so I've posted it here for now.

This image is derived from a stack of 46 images with a 170 µm step taken with a Nikon 200mm F4 ED IF macro lens set to F5.6 + Nikon D300 camera, and processed with CombineZP software.

Images of this individual: tag all
Moth, dorsal - Desmia maculalis - male Moth, ventral - Desmia maculalis - male Moth, lateral head - Desmia maculalis - male Moth, head perspective - Desmia maculalis - male

Moved from funeralis or maculalis.

Broken white patches on ventral abdomen and antenna notch identify it as a F. maculalis male, based on the Info page.

Moved from Grape Leaffolder.

Moved from funeralis or maculalis.

Brian Scholtens reports:

"This certainly looks like D. funeralis and I would be comfortable with that determination. Overall size is pretty good to help determine them, but there is quite a bit of variation, particularly between males and females.

"Also, the character I use to separate the two most reliably in the NE is the white banding pattern on the underside of the abdomen, not the mouthparts (not sure where that came from). D. funeralis has a very wide band, usually with only a small interruption by black. D. maculalis has a narrower band, and 2 interruptions by black. This seems to work well in the NE, but I have looked at specimens from the SW, and haven't had as good of luck with this."

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