31 
Bulletin Wisconsin Natural History Society [Vol. 13, No. 1 
the female, thrusting his cerci under her abdomen, clasping and 
unclasping with his cerci and evidently attempting to raise her 
abdomen from the ground. If the female is willing to copulate 
Fig. 1. A, Posterior View of Abdomen of Male; C, Cerci, S. An. 
PL, Supra-Anal Plate )G. PL, GenitalPlate. 10 , Intromittent Organ. 
B, Side View of Abdomen of Male. Lettering same as for A. C, In- 
tromittent Organ of Male. 
Fig. 2. A, Posterior View of Abdomen of Female; C, Cerci, OP, 
Ovipositor. B, Side View, Lettering same as A. 
the abdomen is raised and the ovipositor is elevated until it is 
at right angles to the abdomen. The male then turns his abdomen 
over so that the posterior end is completely inverted and, guided 
