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Genus Sphacophilus

Sawfly larvae on Field bindweed - Sphacophilus cellularis Oviposit spots and recently emerged larvae - Sphacophilus cellularis Argidae, larva - Sphacophilus apios Argidae, 3 cocoons - Sphacophilus apios Argidae, emerged adult - Sphacophilus apios - female Argidae, cocoon #1, question - Sphacophilus apios Argidae larva - Sphacophilus Caterpillar feeding on scurf pea - Sphacophilus apios
Kingdom Animalia (Animals)
Phylum Arthropoda (Arthropods)
Subphylum Hexapoda (Hexapods)
Class Insecta (Insects)
Order Hymenoptera (Ants, Bees, Wasps and Sawflies)
No Taxon ("Symphyta" - Sawflies, Horntails, and Wood Wasps)
Family Argidae (Argid Sawflies)
Subfamily Sterictiphorinae
Genus Sphacophilus
Synonyms and other taxonomic changes
revised in(1)
Explanation of Names
Sphacophilus Provancher 1889
22 described spp. total, all in our area, arranged into 3 subgenera(1)(2)
key to spp. in(1) (identification based primarily on genital anatomy)
Canada to Mexico; both members of the nominotypical subgenus are western (WA-CA to ID-CO-NM), Litocolus (6 spp.) are by far more diverse in sw. US, Ceocolus (14 spp.) are widespread(1)
known hosts include members of Convolvulaceae, Fabaceae
Print References
Smith, D.R. 2017. A new Nearctic Sphacophilus Provancher (Hymenoptera : Argidae). Proceedings of the Entomological Society of Washington 119(2): 228-232. (BioOne)