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For Insects, Spiders & Their Kin
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Genus Stelis

Bee/wasp? - Stelis louisae ID confirmation/correction - Stelis louisae Red and Black Bee - Stelis louisae cuckoo bee? - Stelis rudbeckiarum Stelis laticincta? - Stelis laticincta Stelis laticincta unknown bee - Stelis
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 (Anthophila (Apoidea) - Bees)
Family Megachilidae (Leafcutter, Mason, and Resin Bees, and allies)
Subfamily Megachilinae
Tribe Anthidiini
Genus Stelis
Synonyms and other taxonomic changes
Stelis Panzer, 1806
Explanation of Names
Numbers
65 spp. in 3 subgenera in our area, >100 spp. in 7 subgenera worldwide(1)
Range
most of the world except Australasia & equatorial Africa(1)
Life Cycle
Kleptoparasites of other leaf-cutters; probable hosts are Megachile (Chelostomoides) spp., per Doug Yanega (see also here)
Subgenus Heterostelis is parasitic on Trachusa.
Internet References