|Common name: No accepted
common name, listed here as: Greater black-letter dart/ Greater spotted
Hodges #: 10942.1.
Identification: Rfw 18.3 mm (&),
fw dull brown to deep blue-gray, orbicular a 'U-shaped' spot. In any given
locality, sex for sex, this species is a few mm. larger than X. c-nigrum--
Ptagiae usually bi-colored and contrasting with tegulae. In
dissected material, juxta shape is distinctive: broadened lower portion is
> 1/2 the total height of juxta.
Similar species: 10674,
Distribution: .Eastern U.S. and southern Canada; extending westward
to the Rockies in the northern Great Plains.
Hosts: Records for this species and X. c-nigrum are
confused in the literature. Between them, at least 60 species of
herbs, vegetables, and woody plants have been reported from North America.
Franclemont (1980) notes that X. dolosa tends to be a woodland
ND Cass Co., Fargo. UV lt. trap.
14- IX- 1958. R. Groom;
ND Barnes Co., Valley City. UV. lt. trap.
8- VIII- 1957. R. Groom.