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Photo#1161155
Diagnostic Images for a new species on BugGuide - Pepsis basifusca - male

Diagnostic Images for a new species on BugGuide - Pepsis basifusca - Male
Santa Rita Experimental Range, Florida Canyon, Pima County, Arizona, USA
July 25, 2013
[To view the full-size image, click here.]

Again, the pink arrows here point to the distinctive pair of lateral "hair brushes" on the 4th sternite.

The white arrow points to the prominently pointed mesopleural tubercle. [Note: The mesopleural tubercle is also illustrated in Fig. 11 here, where it is labeled as "mt" (on "Eps2"). That figure is from Salman (1929). A legend for the abbreviations in the figures therein appears here].
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A critical character in keying this species is the positioning of the two relatively short, linear-longitudinal stripes of densely-packed hairs along the lateral edges of the 4th sternite; and the inward-curving tips of the long hairs in the brushes...all visible in the full-size image here.

Wing venation characters that verify the genus Pepsis are also visible here.

For more details on this post, see the remarks under the 1st image in the series.

Images of this individual: tag all
Diagnostic Images for a new species on BugGuide - Pepsis basifusca - male Diagnostic Images for a new species on BugGuide - Pepsis basifusca - male Diagnostic Images for a new species on BugGuide - Pepsis basifusca - male Diagnostic Images for a new species on BugGuide - Pepsis basifusca - male