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American Midland Naturalist Monograph No. 3 



base. Tenth sternite (X-S) stout, about half as long as lobe of ninth tergite, 

 with a dome-hke crown of numerous blunt heavily sclerotized teeth. Phallosome 

 (Ph) large, heavily sclerotized, open dorsally and ventrally, with a pair of 

 strong horn-like curved extensions apically, overlapping near tip; each plate 

 with many long, slender filaments arising rib-like latero-ventrally and project- 

 ing ventro-posteriorly. Claspette absent. Basi style (Bs) about two and one-half 

 times as long as wide, gradually tapering to a rounded apex, clothed with many 

 long and short setae; a fleshy, finger-like, posteriorly directed projection arising 

 from inner margin near apex, probably representing the apical lobe; basal lobe 

 (B-L) rounded, situated near middle of basistyle, bearing two short blunt dark 

 rods and a longer more slender spine, pointed and recurved at tip. Dististyle 

 (Ds) short, dark, densely covered with fine hairs, always held reflexed and not 

 reaching basal lobe, swollen at apical third, obtusely pointed at tip; two stout, 

 downcurved claws, pointed and nearly equal in size, inserted a little before 

 apex. 



Fig. 155. Larva of Deinocerites cancer Theobald. A, Comb scale. 

 B, Terminal segments. C, Head. D, and E, Pecten teeth. 



