Scientific Name: Triepeolus dacotensis (Stevens, 1919)

Common Name: Triepeolus dacotensis


Epeolus dacotensis Stevens, 1919: 210 [♀,♂‚]

     Holotype . USA, North Dakota, Williston, 8 August 1915 [USNM no. 23160; no. 8969 in original work]


Species Notes

The DNA Barcode Index Number (BIN) for this species is BOLD:ADO3568.



Stevens (1919) indcated that this species was likely a parasite of Anthophora occidentalis Cresson and A. bomboides Kirby (as A. neomexicana Cockerell). Immature stages were described by Bohart (1970), Torchio (1986), Torchio and Burdick 1988, and Rozen (1989).



♀ body length: mm; head length: mm; head width: mm; forewing length: mm

♂‚ body length: mm; head length: mm; head width: mm; forewing length: mm


Extent of Occurrence (EOO) in Canada (http://geocat.kew.org/): km2

Approximate Global Extent of Occurrence (EOO) (http://geocat.kew.org/): km2

Index of Area of Occupancy (IAO) in Canada (http://geocat.kew.org/): 8 km2



Bohart GE (1970) The Evolution of Parasitism Among Bees. 41st Faculty Honor Lecture. Utah State University, Logan, Utah, ii + 30 pp.

Rozen JG Jr (1989) Morphology and systematic significance of first instars of the cleptoparasitic bee tribe Epeolini (Anthophoridae: Nomadinae). American Museum Novitates 2957: 1–19.

Stevens OA (1919) The panurgine bees of North Dakota and a new Epeolus (Hym.). The Canadian Entomologist 51(8): 205‑210. https://doi.org/10.4039/ent51205-8

Torchio PF (1986) Late embryogenesis and egg eclosion in Triepeolus and Anthophora with a prospectus of nomadine classification (Hymenoptera: Anthophoridae). Annals of the Entomological Society of America 79: 588–596.

Torchio PF, Burdick DJ (1988) Comparative notes on the biology and development of Epeolus compactus Cresson, a cleptoparasite of Colletes kincaidii Cockerell (Hymenoptera: Anthophoridae, Colletidae). Annals of the Entomological Society of America 81: 626–636.

Sociality: Parasitic
Nesting: Ground
Pollen Specialization: Not Applicable
Wintering Stage: Mature Larva

Crop Preference: Not Available
Non Crop Preference: Helianthus petiolaris, Senecio sp., Hymenoxys richardsonii, Opuntia polyacantha

Distribution: Alberta, Saskatchewan
Ecozone: Prairie

Distribution Map