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American Midland Naturalist Monograph No. 1 



pronounced. Unfed specimens much narrowed posteriorly, constriction begin- 

 ning at about the fourth pair of legs; broadest at about the third pair of legs; 

 rounded anteriorly. 



Discs. — The integumental markings of the nymph are very different from 



Fig. 7. Otobius megnini (Duges) nymph, only a little fed; dorsal and ventral views, 

 showing spines. After Marx (1895). 



M r 



V 



,4 



M i i v v3 



B 



Fig. 8. Otobius megnini (Duges). A, Nymph, unfed, ventral view. B, Nymph. 

 "Portion of skin, showing spines and hairs. Greatly enlarged." From Salmon and Stiles 

 (1901). 



