PLATE 29 



Porosagrotis orthogonia: 



A. — Cast head of seventh-instar larva. 



B. — Cast head of eighth-instar larva with setae numbered. Adf., adfrontal sclerite, 

 adf. i, adf. it, its setae; fr., frontal sclerite; fr. i, frontal setae; fr. 0, frontal puncture; 

 cL, clypeus; cl. i, cl. ii, its setse; Ihr., labrum; ant., antennae; md., mandible; md. i, 

 md. ii, its setae; i to xi, setae of epicranium, / to IV , first four ocelli. 



