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Species Megachile pugnata - Pugnacious Leafcutter

Which bee is this, please? - Megachile pugnata - female Megachile ID Request - Megachile pugnata - female Leaf Cutter Bee? - Megachile pugnata Megachile? - Megachile pugnata Megachile pugnata (male)? - Megachile pugnata - male Leafcutter with big mandibles - Megachile pugnata - female Megachile pugnata? - Megachile pugnata Bee - Megachile pugnata
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 (Leafcutter, Resin, Mortar, Sharptail, Mason, and Woolcarder bees and relatives)
Tribe Megachilini (Leafcutter, Resin, Mortar, and Sharptail bees)
Genus Megachile (Leafcutter and Resin Bees)
No Taxon (Subgenus Sayapis)
Species pugnata (Pugnacious Leafcutter)
Other Common Names
Sunflower Leaf-cutter Bee
Synonyms and other taxonomic changes
=scobiculata, bucephala, disparilis, lucrosa, temporalis
Explanation of Names
Author: Say, 1837
Female: 12-18 mm. Male 11-13 mm.
In the female the clypeus is shortened and thickened producing a vertical face.
most of NA north to LB-NW-BC south to GA-TX-CA(1)
Visits flowers from several families, pollen specialist on Asteraceae. The Hosts section on its Discover Life species page lists known floral associations based on specimen records and images.