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Quadrifid forewing venaton of a lasiocampid.
Note M2 (green arrow) arises near M3 (top blue arrow).
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Trifid forewing venation of a
saturniid.
Note M2 (green arrow) arises near M1 rather then
M3. |
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Quadrifid hindwing venation of a catocaline noctuid.
Four veins arise from lower end of discal cell.
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Trifid hindwing venation of
a noctuine noctuid.
Three veins arise from lower end of discal cell. |
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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).
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Forewing of megalopygid showing hairy wing surface.
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Forewing of plusiine noctuid photographed
at an
oblique angel to show lines of raised scales. |
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Forewings of male tortricids (Choristoneura sp. left
and Eucosma sp. right) showing costal fold. |
