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