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ARS Home » Northeast Area » Beltsville, Maryland (BARC) » Beltsville Agricultural Research Center » Systematic Entomology Laboratory » Docs » Pyraloidea Larvae Key » Pyraloidea Larvae Key Couplet 23

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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