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 | ||
Go back to couplet 4 |