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Home » Guide » Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Barklice, Booklice, and Parasitic Lice (Psocodea) » Psocomorpha » Homilopsocidea » Outer Barklice (Ectopsocidae) » Ectopsocus » Ectopsocus briggsi
Photo#1481269
Barklouse - Ectopsocus briggsi
Copyright © 2018 James Bailey

Barklouse - Ectopsocus briggsi
Fairview Park, Costa Mesa, Orange County, California, USA
May 4, 2017
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Contributed by James Bailey on 1 January, 2018 - 7:09pm
Last updated 31 January, 2018 - 8:23pm

Moved
Moved from Barklice, Booklice, and Parasitic Lice.
… Aaron Hunt, 31 January, 2018 - 8:23pm login or register to post comments

The Wizard of Normal has spoken and ...
"I am quite sure it is E. briggsi. The wing spots and head color pattern are of the right sort. There are no records of E. meridionalis from the Pacific coast."
Guess I was right the first time.
… Diane Young, 31 January, 2018 - 2:24pm login or register to post comments

 
Thanks Diane
I'm not having an easy time telling the difference. The pattern on the clypeus looks more reliable, but the wing markings seem to overlap based on BugGuide images. Doesn't help if they also occur together in the same habitats, as they appeared to be doing so here!

Luckily we have great people sorting them out (you, and Dr. Mockford!).
… James Bailey, 31 January, 2018 - 2:52pm login or register to post comments

I'm thinking also...
it could be Ecopsocus meridionalis. I have sent this to Mockford for his opinion.
… Diane Young, 5 January, 2018 - 10:07am login or register to post comments

This one is...
probably Ectpscus briggsi, female. I would have to examine the specimen to be sure.
… Diane Young, 3 January, 2018 - 10:04am login or register to post comments

 
What sticks out about this one, over the others?
I'm not seeing much between this species and E. californicus. Is it normal for them to co-occur?
… James Bailey, 3 January, 2018 - 6:10pm login or register to post comments

 
Very good question...
according to Dr. Mockfod, briggsi has a pale postclypeus (very front of head) and paler spots at forewing margin. I notice, also, that the abdominal bands in this species are darker and more "even". The distinction between these 2 species is subtle!
… Diane Young, 4 January, 2018 - 6:40pm login or register to post comments

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