Domain:Eukaryota
Kingdom:Animalia
Phylum:Arthropoda
Class:Insecta
Order:Coleoptera
Infraorder:Cucujiformia
Family:Meloidae
Subfamily:Meloinae
Tribe:Meloini
Genus:Meloe
Black ones feed on Lupin, then delphinium
Grey ones on Lupin
Triungulins (?) on a Eucera sp. from the Western Washington Insect Collection (WWUC). Meloidae is my best guess, not sure what other types of triungulins are out there. Specimen from 1966