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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Geometrid and Swallowtail Moths (Geometroidea) » Geometrid Moths (Geometridae) » Sterrhinae » Scopulini » Scopula » Scopula compensata - Hodges#7152 (Scopula compensata)
Photo#1376237
Please help us to identify this moth. - Scopula compensata
Copyright © 2017 Andrew Kahl

Please help us to identify this moth. - Scopula compensata
Austin, Travis County, Texas, USA
May 23, 2017
Size: ~2cm
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Contributed by Andrew Kahl on 29 May, 2017 - 8:59pm
Last updated 10 December, 2017 - 12:45pm

Moved
Moved from ID Request.
… Bob Biagi, 29 May, 2017 - 10:27pm login or register to post comments

 
Scopula compensata
Bob:
To my calculation, that ratio is precisely 8.8 if the vertical span between the adjacent horizontal strands is measured from the lower to the upper margin of the adjacent strands. On the real grid, that span is 1.2 mm, thus the upper margin of the forewing is 10.6mm and the wingspan is 19.5mm.
Evidently, I overestimated that wingspan and approximated the moth's size as ~3cm instead of 2cm.
My apology -

Andrew
… Andrew Kahl, 30 May, 2017 - 3:06pm login or register to post comments

Geometrid Moth
Check the background grid and measure it, if you can please. Fore-wing length = 8x vertical stitch width (exact)
… Bob Biagi, 29 May, 2017 - 10:05pm login or register to post comments

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