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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 23
Prespiracular and prothoracic shields entirely fused (Fig. 53).................................................................24
Prespiracular and prothoracic shields not fused (Fig. 54)........................................................................25
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Last Modified: 3/25/2011
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