13%, 
14, 
15. 
Body with a distinct pinkish middorsal stripe (A); plates 
at bases of body setae weakly sclerotized and concolorous 
with the body. 
China, Japan, and Manchuria. 
Host: Rice straw (borer in stems). Chilo suppressalis (WIk.) 
Body without a pinkish middorsal stripe (A); plates at bases 
of body setae strongly sclerotized and heavily pigmented or 
weakly sclerotized and concolorous with the body......... 14 
Plates at bases of body setae blackish or fuscous. 
Mexico, tropical America, and Oriental regions. 
Hosts: Green corn and sugarcane (borers in ears and stalks). 
(Summer form) Diatraea spp. 
Plates at bases of body setae pale, concolorous with the body. 
Mexico, tropical America, and Oriental regions. 
Hosts: Green corn and sugarcane (borers in ears and stalks). 
(Winter form) Diatraea spp. 
Meso- and metathorax each with qa pair of plates (without setae) 
on posterior dorsal margins (A); [group VII of first abdominal 
segment bisetose (B). ] 
——} [e 
a (EN ° 
Se NE ol 
ER) MORN Cy 
Ib la A 
A B 
Cuba, Mexico, Puerto Rico, Hawaii, Tahiti, and Japan. 
Hosts: Beans and pigeon peas (borer in pods). 
Maruca testulalis (Geyer) 
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