Identification
slender, dark brownish-gray (in the east), with or without thin white markings on elytra; longitudinal row of pits on each elytron visible if one looks closely--see these images:
individuals from the southwest may be completely green, and have either no maculations (like this one from Arizona):
or reduced maculations (like this one from New Mexico):
Range
Eastern and central United States, plus adjacent Canada, into western mountains but absent from Pacific coast and Idaho. (
see map)
Habitat
Slightly sandy, open areas, such as trails and along sidewalks. See image:
Season
Summer: most commonly found July-August, but sometimes April-November in parts of range.
Life Cycle
Overwinters as a larva, adults present in summer. One- or two-year life cycle.
Print References
Pearson, pp. 122-124, plate 15
(1)
Choate, p. 87, plates 111-112, 201
(2)
Internet References
distribution map taken from
this page (Imperial College at Silwood Park, UK)
