Bees of Canada Logo

Diadasia ochracea (Cockerell, 1903)


Scientific Name: Diadasia ochracea (Cockerell, 1903)

Common Name: Ochraceous Chimney Bee


Dasiapis ochracea Cockerell, 1903a: 450 [♂].

     Holotype ♂. USA, New Mexico, Las Cruces, end of August [no year provided], on Sphaeralcea Fendleri lobata [USNM no. 40112].

Melissodes olivaceae Cockerell, 1903b: 77. Misidentification (see Snelling 1994: 2 for others).

Diadasia blaisdelli Cockerell, 1924: 54 [♀]. Synonymy by Timberlake (1941: 11).

     Holotype ♀. USA, California, San Diego County, Poway, 3 May 1885, by F.E. Blaisdell [CAS no. 1578].


Taxonomic Notes: Snelling (1994: 2) reviewed that past confusion surrounding this species and D. olivaceae (Cockerell) and concluded were both valid species.

DNA Barcode Index Number (BIN):

BiologyDiadasia ochracea (Cockerell, 1903) is considered an oligolege of Sphaeralcea (Gibbs et al. 2023).

Distribution in Canada: Gibbs et al. 2023 [MB]


Cockerell TDA (1903) North-American bees, and a new Homopteron. Annals and Magazine of Natural History, Series 7 12(70): 442-455.

Gibbs J, Hanuschuk E, Miller R, Dubois M, Martini M, Robinson S, Nakagawa P, Sheffield CS, Onuferko T (2023) A checklist of the bees (Hymenoptera: Apoidea) of Manitoba, Canada. The Canadian Entomologist 155: E3.

Cockerell TDA (1924) Anthophorid bees in the collection of the California Academy of Sciences. Pan-Pacific Entomologist 1(2): 49-56.

Snelling RR (1994) Diadasia, subgenus Dasiapis, in North American (Hymenoptera: Anthophoridae). Contributions in Science, Natural History Museum of Los Angeles County, 448: 1-8.

Timberlake PH (1941) Synoptic table of North American species of Diadasia (Hymenoptera, Apoidea). Bulletin of the Brooklyn Entomological Society 36: 2-11.

Cockerell TDA (1903) A catalogue of the bees of California. Psyche 10: 74-78.

Nesting: Ground
Pollen Specialization: Narrow Oligolecty
Wintering Stage: Mature Larva

Crop Preference: Not Available
Non Crop Preference: Not Available

Distribution: Manitoba
Ecozone: Prairie

Distribution Map