University of Michigan 



PLATE III 



Figs. 8-II, Progomphus risi, type male and allotype female; figs. 

 12-14, Progomphus pygmaeus, male and female, Bolivar, Colombia, 

 December 24, 1916; fig. 15, Progomphus sp., female, La Tigrera, Co- 

 lombia, December 20, 1916. 



Fig. 8, accessory genitalia of second abdominal segment; figs. 9 and 

 12, inferior views and figs. 10 and 12, lateral views of male abdominal 

 appendages; figs. 11, 14 and 15, female vulvar lamina. 



