Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada
Clickable Guide
Moths Butterflies Flies Caterpillars Flies Dragonflies Flies Mantids Cockroaches Bees and Wasps Walkingsticks Earwigs Ants Termites Hoppers and Kin Hoppers and Kin Beetles True Bugs Fleas Grasshoppers and Kin Ticks Spiders Scorpions Centipedes Millipedes

Calendar

TaxonomyBrowse
Info
ImagesLinksBooksData

Species Andrena pertristis

Andrena  - Andrena pertristis - female Andrena  - Andrena pertristis - female Andrena  - Andrena pertristis - female Bee on Hypochaeris radicata - Andrena pertristis Bee on Hypochaeris radicata - Andrena pertristis Bee on Hypochaeris radicata - Andrena pertristis
Classification
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 Andrena
No Taxon (Subgenus Melandrena)
Species pertristis (Andrena pertristis)
Explanation of Names
Author: Cockerell, 1905
Size
Females 12-16 mm
Males
Identification
Nominative subspecies Andrena (Melandrena) pertristis pertristis has entirely dark vestiture in females.
Subspecies carliniformis has pale hair on thoracic dorsum, superficially resembling A. (Melandrena) carlini.
Males of both subspecies are "identical even in color" (Bouseman & LaBerge, 1978), with white to pale ochraceous hair on thoracic dorsum.
Females of both subspecies have incomplete flocculus on hind trochanters.
Print References
Bouseman, John K. and Wallace E. LaBerge. 1978. A Revision of the Genus Andrena of the Western Hemisphere. Part IX. Subgenus Melandrena. Trans. Amer. Ent. Soc. 104(3/4): 275-389. (Available at JStor)
Internet References