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A Key to the superfamilies of the Lepidoptera
with special reference to North and South Dakota
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10 (8').
Upper frons with scales directed downward, lower frons
with scales directed upward. Forewings rectangular, CuA2 from basal
2/3 of discal cell. Superfamily Tortricoidea.
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| Family Tortricidae,
Bell moths, Leaf rollers. Ocelli present, maxillary palpi small,
visible above labial palpi, proboscis without scales, fws with CuA2 arising
from lower 2/3 of discal cell, fws often with costal fold. World wide there are more than 6,100 species. At least
2,200 occur in North America.
Center top: Acleris sp. showing the diagnostic down turned and
upturned scales of the frons; center bottom, Phaneta sp. same; right:
Pandemis canadana, light blue indicating discal cell, arrow showing
Cu1b arising in basal 2/3 of cell. |
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From left to right: Pandemis canadana Kearfott, Ancylis
mediofasciana (Clemens), Choristoneura pinus Freeman, Cochylis
arthuri Dang. |
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10.' Frons
with scales directed downward. Forewings elongate to lanceolate, rarely
rectangular, CuA2 arising from distal 1/5 of discal cell.
Go to 10-1
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Left: head of Atteva punctella Cramer, arrows
indicating downward oriented scales on upper and lower frons.
Right: ventral of Tegeticula yuccasella Riley, light blue indicates
discal cell, arrow indicates vein CuA2.
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Key
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