Identification, Images, & Information
For Insects, Spiders & Their Kin
For the United States & Canada

Subgenus Heterostelis

Bee, that is reddish with yellow stripes on abdomen. - Stelis texana Bee, that is reddish with yellow stripes on abdomen. - Stelis texana Bee, that is reddish with yellow stripes on abdomen. - Stelis texana Dianthidium or another Anthidiini genus? - Stelis australis Dianthidium or another Anthidiini genus? - Stelis australis Dianthidium or another Anthidiini genus? - Stelis australis Stelis australis Stelis australis
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 Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae (Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives)
Tribe Anthidiini (Wool-carder, Resin, Pebble, and Allied Bees)
Genus Stelis
No Taxon Subgenus Heterostelis
Explanation of Names
Refers to their parasitism of Trachusa (Resin-leafcutter bees)
Numbers
6 spp. in our area, 10 spp. worldwide(1)
Size
Larger than usual for Stelis (Dark bees)
Range
Holarctic: mostly so. US (north to NJ in the east) to Mexico + the Mediterranean(1)
Habitat
In SE USA often Pinewoods. In general, found near nesting and foraging sites of the host Trachusa species
Remarks
Subgenus Heterostelis is parasitic on Trachusa.