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Photo#1275432
Lygaeid probably on Brickellia seeds - Melacoryphus admirabilis

Lygaeid probably on Brickellia seeds - Melacoryphus admirabilis
6 miles NW Lyons, Boulder County, Colorado, USA
September 27, 2005
Size: BL ~7 mm
This bug is on Brickellia seedheads in the CO foothills at about 6400' elevation. What I can see of the venation suggests Lygaeidae. However, I cannot find this particular bug by browsing. Any help with its ID is much appreciated.

Moved tentatively
Moved from Melacoryphus.

 
Melacoryplus admirabilis
Thank you so much for moving this handsome lygaeid, v belov. Your help is much appreciated.

Moved
Moved from Lygaeinae.

Moved
Moved from Lygaeospilus.

Given the uncertainty, I'd rather leave it here and wait for an expert opinion. However, if you feel confident of your ID, please feel free to move it to the genus page.

 
Lygaeid possibly Melacoryphus admirabilis on Brickellia
I just posted another image, #1283124, better in all aspects except that the lygaeid venation is not evident. The new image was taken in the same place on the same Brickellia plants in the previous year. I gave Melacoryphus admirabilis as my best guess and tried to make my case.

Moved tentatively
Moved from True Bugs.

 
Moved tentatively
Ken, your tentatively naming this lygaeid in genus Lygaeospilus was most useful. I went to Slater, 1992, A genus level revision of Western Hemisphere Lygaeinae to look up this genus. Key to Lygaeospilus starts with "Length less that 6 mm" and also mentions that the hemelytral membrane is usually mottled with white or with large white spot. We measured our bug again and it is between 7-7.5 mm and does not have mottled white or a large white spot.
However, the sister key, genus Melacoryphus, starts with "Length more than 6 mm" and adds that the hemelytral membrane usually black, sometimes with white corial margin... which describes our bug.
The key to Melacoryphus species was also helpful. We could key it to species admirabilis based on the following traits: basal margin of hemelytral membrane white, the hemelytreal membrane brown to black with only margins white, and dark markings of clavus and corium black, frequently with apical third of corium and half of clavus nearest scutellum red. The catalog lists it as widespread in the west including Colorado. So, we think this is probably Melacoryplus admirabilis.

Moved
Moved from ID Request.

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