Quadrifid forewing venaton of a lasiocampid.
Note M2 (green arrow) arises near M3 (top blue arrow).
Trifid forewing venation of a
Note M2 (green arrow) arises near M1 rather then
Quadrifid hindwing venation of a catocaline noctuid.
Four veins arise from lower end of discal cell.
Trifid hindwing venation of
a noctuine noctuid.
Three veins arise from lower end of discal cell.
From left to right: hindwings of a heliothine, arctiine, and
phycitine showing degrees of fusion of Sc+R1
(upper blue arrow) and Rs (lower blue arrow) and their point of contact
(green arrow) above discal cell.
Blue dot indicates point where Sc+R1 and Rs separate beyond the
discal cell (pale green).
Forewing of megalopygid showing hairy wing surface.
Forewing of plusiine noctuid photographed
oblique angel to show lines of raised scales.
Forewings of male tortricids (Choristoneura sp. left
and Eucosma sp. right) showing costal fold.
Dr. Gerald M. Fauske
collection manager, NDSIRC
216 Hultz Hall
Fargo, ND 58105