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United States Department of Agriculture

Agricultural Research Service

KEY TO SELECTED PYRALOIDEA (LEPIDOPTERA)
LARVAE INTERCEPTED AT U. S. PORTS OF ENTRY
Couplet 5
Prespiracular shield of prothorax extending below and behind the spiracle (Fig. 13) or completely enclosing spiracle (Fig. 16)...................................................................................................................6
Prespiracular shield of prothorax never extending below and behind spiracle (Fig.14).......................7
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Last Modified: 3/25/2011