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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Butterflies and Moths (Lepidoptera) » Owlet Moths and kin (Noctuoidea) » Owlet Moths (Noctuidae) » Cutworm or Dart Moths (Noctuinae) » Xylenini » Xylenina » Mesogona » Mesogona olivata - Hodges#9953 (Mesogona olivata)
Photo#1447836
Moth - Mesogona olivata - male
Copyright © 2017 Chris Kotzer

Moth - Mesogona olivata - Male
Ellensburg, Kittitas County, Washington, USA
September 26, 2017
Found along Taneum River. Think this might be a male Mesogona subcuprea. Four showed up that night. Three male and one female. This one had the most defined markings.
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Contributed by Chris Kotzer on 29 September, 2017 - 1:39pm
Last updated 29 September, 2017 - 9:56pm

Moved to Mesogona olivata
Moved from ID Request.
… Robert Lord Zimlich, 29 September, 2017 - 9:56pm login or register to post comments

Looks like ...
… Robert Lord Zimlich, 29 September, 2017 - 9:01pm login or register to post comments

ID of this Moth…
"Even-lined Sallow" -
(Ipimorpha pleonectusa). https://www.butterfliesandmoths.org/species/Ipimorpha-pleonectusa
… Bkripto, 29 September, 2017 - 4:03pm login or register to post comments

 
Thanks again!
Just wondering. How can one tell the difference between Mesogona olivata and subcrupea without looking at the hindwings?
… Chris Kotzer, 29 September, 2017 - 10:34pm login or register to post comments

 
PM line
PM on Mesogona subcrupea is not sinusoidal like M. olivata.
… Robert Lord Zimlich, 29 September, 2017 - 10:41pm login or register to post comments

 
Wow
Took me a while to see it. Very subtle.
… Chris Kotzer, 30 September, 2017 - 12:07am login or register to post comments

 
Sorry ...
I meant to say AM line
… Robert Lord Zimlich, 30 September, 2017 - 12:17am login or register to post comments

 
Okay,
Is it that there is more of a "corner" above the eye spot on the AM line in subcrupea?
… Chris Kotzer, 30 September, 2017 - 11:43am login or register to post comments

 
Oh my gosh.
This is hard. Looks to me like the AM line is more horizontal in olivata but both are wavy. Based on the photos seemed that the PM line in olivata is more of a smooth curve rather will less "straighter" sections.
… Chris Kotzer, 30 September, 2017 - 11:40am login or register to post comments

 
Traverse lines
Chris, sorry for the confusion. The AM (antemedial line) is the upper, and the PM (postmedial line) is the lower. I hope this makes sense.

… Robert Lord Zimlich, 30 September, 2017 - 4:54pm login or register to post comments

 
I think I got it!
Now that I am looking at the pictures with fresh eyes today the difference seems obvious. There is a much stronger curve (almost 90 degrees) in the AM line olivata!
Thanx for your patience. It was a good lesson for me.
… Chris Kotzer, 1 October, 2017 - 1:05pm login or register to post comments

 
Thanks for checking.
It also looked like Ipimorpha pleonectusa to me but that species seems to have an extra eye-spot. Also the data doesn't place it in Washington but one never knows about that.
… Chris Kotzer, 29 September, 2017 - 5:51pm login or register to post comments

 
Good observation ,,,
All the Ipimorpha moths have the additional claviform spot. Yours only has reniform and orbicular spots.
Z
… Robert Lord Zimlich, 29 September, 2017 - 9:55pm login or register to post comments

 
\m/ right on! :- )
\m/ right on! :- )
… Bkripto, 29 September, 2017 - 9:42pm login or register to post comments

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