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Colorful Foliage Ground Beetles (Lebia)
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subgenus Lebia (Lebia subgenus Lebia)
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viridis group (Lebia viridis group)
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Lebia moesta
Photo#323938
Copyright © 2009
Joyce Gross
green carabid -
Lebia moesta
Pack Forest, Pierce County, Washington, USA
July 11, 2009
Size: ~6mm
Larger version of this image
here
.
gathering_2009
Contributed by
Joyce Gross
on 23 August, 2009 - 1:11pm
Last updated 3 March, 2010 - 10:34am
Moved tentatively
Moved from
Colorful Foliage Ground Beetles
.
…
v belov
, 3 March, 2010 - 10:34am
ID confirmed by T.L. Erwin
…
v belov
, 23 March, 2012 - 11:10am
If truly dull blackish
luster dorsally (no metallic sheen green to blue) then likely
Lebia moesta
, otherwise consider
L. viridis
. Specimen examined in hand and under scope might be necessary.
…
Peter W. Messer
, 23 August, 2009 - 5:52pm
larger file
I don't know if it helps at all, but I added a link to a larger version of this image. I didn't keep the specimen and have no other photos.
…
Joyce Gross
, 24 August, 2009 - 1:31pm
I see no metallic reflections
so your image in my opinion could very well fit black
Lebia moesta
despite your reported large size estmate of "~6 mm". Almost all
L. moesta
are under 5 mm while
L. viridis
with its characteristic metallic sheen (blue to green) reaches 6 mm. Assessing true luster from one photograph can be misleading as you know. Both species are now known to occur in WA.
…
Peter W. Messer
, 24 August, 2009 - 6:09pm
hmmmm
I think I did actually measure the beetle, and the "~" means it was not holding still and it was close to 6 but unlikely less than 5. We may have to leave this at the genus level.
…
Joyce Gross
, 26 August, 2009 - 12:08am
Yes, best to stay at genus
until someone expresses a strong opinion on which way to go. For the record, I have many reference specimens of both species and the difference in luster is obvious/constant when dorsal surfaces are examined microscopically. Other morphological differences previously published are unreliable/variable in my experience.
…
Peter W. Messer
, 26 August, 2009 - 8:39am