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brown lacewing - Micromus subanticus

brown lacewing - Micromus subanticus
Tisbury, Dukes County, Massachusetts, USA
August 2, 2012
came to porch light
larger image here

Moved from Micromus.

Moved from Brown Lacewings.

how the ID was arrived at? please elaborate
i do not believe this is a Hemerobius
(best guess, M. sub.)

Moved from Hemerobius humulinus.

re: how the ID was arrived at? please elaborate
Now that I've looked closer I believe you are correct.
For the genus I used the forewing venation diagrams on this page:
and saw in the Hemerobius diagram the narrow cell above Cu1 that is in my image but not in the other two genera shown.
My mistake, of course, was overlooking the other three genera.
For the species, I compared the two sp. already in the guide for my area and concluded H. stigma was way too dark, and lacked the pale middorsal stripe.
Now I have looked at the Micromus photos and see they are a better match--the comparison of eye size, for instance, clearly puts my creature here rather than in Hemerobius.
Sometimes I think I have a match when in fact I do not, which points up the critical importance of the constant expert winnowing that goes on at this site.

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