Triepeolus martini (Cockerell, 1900)
Biology:
Gutierrezia sarothrae (Pursh) Britt. & Rusby, Helianthus annuus L., H. petiolaris Nutt., Melilotus alba [= Melilotus officinalis (L.) Lam.], Prionopsis ciliata [= Grindelia papposa Nesom & Suh].
Diagnostic description:
This species was placed in the subgenus Synepeolus by Cockerell, based on the presence of only two submarginal cells in the holotype specimen; however, this is a variable character within the species. Females of T. martini are easily recognizable by the distinctive, dark, perfectly triangular pseudopygidial area.
Associations:
Nomia bakeri Cockerell [= Dieunomia (Epinomia) nevadensis bakeri (Cockerell)].
Distribution:
MéXICO: Chihuahua; USA: Arizona, Colorado, Kansas, Nebraska, New Mexico, Texas (Gaines Co.).