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J.  Wing morphology 1.
Wing coupling mechanisms.


Jugum, indicated by arrow, on fw of Hepialus thule overlapping hindwing.


Humeral lobe, indicated by arrow, on hindwing of Dryocampa rubicunda.


Frenular bristles from the base of the hindwing, held in place by a retinaculum,
stiffened scales on the ventral forewing of Spaelotis clandestina.





Last updated: 08/23/07

Dr. Gerald M. Fauske
collection manager, NDSIRC
research specialist, NDSU
216 Hultz Hall
Fargo, ND 58105
E-Mail: Gerald.Fauske@ndsu.nodak.edu

Published by the Department of Entomology 

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