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Genus Ancylandrena

Bees in communal nest - Ancylandrena larreae bee - Ancylandrena atoposoma bee - Ancylandrena rozeni Andrena? - Ancylandrena larreae Andrena? - Ancylandrena larreae Andrenid? - Ancylandrena - male Andrenid? - Ancylandrena - male What Eucera species is this? - Ancylandrena larreae - male
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon (Aculeata - Ants, Bees and Stinging Wasps)
No Taxon (Apoidea (clade Anthophila) - Bees)
Family Andrenidae (Miner, Fairy, Allied Panurgine, and Oxaeine Bees)
Subfamily Andreninae (Mining Bees)
Genus Ancylandrena
Explanation of Names
Ancylandrena Cockerell 1930
5 spp., all in our area(1)
Similar to Andrena. Differs by:
Moderate to strongly protruding clypeus
Hind coxa short
Slightly enlarged distitarsi
USA: California to Utah to New Mexico.
Mexico: Baja Califronia and Sonora.
Hexepeolus are cleptoparasites of Ancylandrena (Rozen 1994)
See Also
Print References
Cockerell, T. D. A. (1930). A new subgenus of Andrenine bees. The Pan-Pacific Entomologist., 7, 5–8. Full Text Here
Original Description of the genus.

Zavortink, T. J. (1974). A Revision of the Genus Ancylandrena (Hymenoptera:Andrenidae) (Vol. 109). California Academy of Sciences,. Full Text Here
1974 Revision of the genus

Rozen, J. G. (1992). Biology of the bee Ancylandrena larreae (Andrenidae, Andreninae) and its cleptoparasite Hexepeolus rhodogyne (Anthophoridae, Nomadinae) : with a review of egg deposition in the Nomadinae (Hymenoptera, Apoidea). American Museum novitates ; no. 3038. Full Text Here

Rozen, J. G. (1994). Biologies of the bee genera Ancylandrena (Andrenidae, Andreninae) and Hexepeolus (Apidae, Nomadinae) : and phylogenetic relationships of Ancylandrena based on its mature larva (Hymenoptera, Apoidea). American Museum novitates ; no. 3108. Full Text Here
Internet References