New Psorophora for Bugguide! columbiae! - Psorophora columbiae - BugGuide.Net

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Copyright © 2005 Sean McCann

New Psorophora for Bugguide! columbiae! - Psorophora columbiae -

Fort Pierce, St. Lucie County, Florida, USA
December 2, 2005

Alright. ID details from this photo
1)Light scales apical on abdominal tergites
2)Abdomen pointed
3)Subapical narrow white-scaled ring on hind femora
4)Hind tarsomere 1 with median white ring, all hind tarsomeres with broad basal ring
5)Proboscis dark-scaled with wide yellow-white median band
6)Tibiae "liberally speckled" with white scales

Check out this for info:http://www.mosquito-va.org/psorophora_columbiae.htm

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New Psorophora for Bugguide! columbiae! - Psorophora columbiae - female

New Psorophora for Bugguide! columbiae! - Psorophora columbiae - female

New Psorophora for Bugguide! columbiae! - Psorophora columbiae - female

Contributed by Sean McCann on 3 December, 2005 - 1:15pm
Last updated 6 December, 2005 - 2:58pm

bent sheath

Unless I'm seeing things, it looks like the sheath that normally surrounds the sucking tube is bent to allow the tube to penetrate the skin. It looks somewhat like the bent sheath in this leaf-footed bug. I'm guessing that "proboscis" includes the sheath and the sucking tube, and that technical names exist for these parts.
Good to see you sacrificing your body for the cause, Sean!

… Robin McLeod, 3 December, 2005 - 3:09pm

...

Yep, the outer sheath is formed from the labium. Each order of sucking insect has arrived at their particular mouthpart configuration independently (unless you consider Hemiptera to be divided into Heteroptera and Homoptera).

… Sean McCann, 3 December, 2005 - 3:22pm

On second thought

Well, I guess the fleas and the flies share some homologies as well.

… Sean McCann, 3 December, 2005 - 3:27pm

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