36 spp. in our area, ~150 spp. total(1)
Large alticines, elytra usually striped, hind pronotal corners angular(2)
, or as Ciegler (2007)(3)
"The basal margin of the pronotum is distinctive in being anteriorly angulate near the hind angle, so that angle is set farther from the elytra than in most of the beetles," e.g.
incomplete key to spp. in Blake (1934)(4)
, add'l spp. in Blake (1951)(5)
New World; throughout the US & so. Canada(1)
a diverse array of plants; larvae are folivorous(1)
, most spp. feed on weeds(2)
Larvae often found together with adults on host plants(1)
Still missing in guide (Apr.2017):
D. funerea (all black)
D. antennata (all pale)
plus striped species:
D. alabamae, D. brevicornis, D. latiovittata, D. limbicollis, D. pluriligata, D. punctigera, D. schaefferi.
Of some of the latter we may have images, but ID is pending.
For D. latifrons see under "possibly latifrons".