A Key to the superfamilies of the Lepidoptera
with special reference to North and South Dakota
Family
Sphingidae,
Hawkmoths, Hummingbird moths, or Sphinx moths, have the abdomen extending
beyond the wings for at least 1/2 of its' length, hindwings smaller than the
forewings, frenulum present, antennae rarely bipectinate. There are 1,050
species worldwide and about 130 in North America.
At right: fasciculate antenna of Manduca quinquemaculata (Haworth)
(top), clavate antennae of Hyles lineata (Fabricius) (middle) and
bipectinate antennae of Smerinthus jamaicensis (Drury) (bottom);
ventral view of Sphinx gordius Cramer- arrow indicating frenulum;
center right Sphecodina abbottii (Swainson) with normal proboscis,
far right Paonias myops (J.E. Smith) with atrophied proboscis. |
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From left to right: Agrius cingulatus (Fabricius), Sphinx vashti
Strecker, Paonias excaecatus (J. E. Smith),
Hemaris diffinis (Boisduval) and Hyles lineata (Fabricius). |
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Family Bombycidae
(including Apatelodidae) Silk moths, have atrophied
mouthparts bipectinate antennae, a frenulum, and M1
stalked with Rs on hw. There are 250 species worldwide and five in North
America. From left to right: Apatelodes torrefacta (J.E.
Smith) venter showing frenulum and habitus, Bombyx mori (Linnaeus),
habitus. |
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Family
Saturniidae,
Giant silk moths, have atrophied mouthparts, lack a frenulum, usually
possess quadri-pectinate antennae and often, an ocellatus on each wing.
There are about 1,300 species worldwide and at least 72 in North America. |
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Top center: venter of Dryocampa rubricunda (Harris), arrow indicating
humeral lobe; top right: quadripectinate antenna of male
Antheraea polyphemus (Cramer); top left: close-up of same; bottom left,
quadripectinate antennae of Coloradia doris Barnes;
center: bipectinate antennae of Hemiluca nevadensis Stretch; lower
right: antenna of Dryocampa rubricunda, quadripectinate
on basal 2/3, simple to apex.
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From left to right: Dryocampa rubricunda (Harris), Automeris io
(Fabricius),
Coloradia pandora (Blake), Acias luna (Linnaeus),
Hyalophora gloveri (Strecker) |
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Note: Family Senaturidae,
of the Geometroidea which lacks a tympanum will key to this couplet.
These moths have hairy eyes and clavate antennae. See couplet
15b.
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