198 



CONNECTICUT GEOL, AND NAT. HIST. SURVEY 



[Bull. 



Figure 22. Tipulidae; structures. 



A. Tipuia (Yamatotipula) jacobus Alex.; lateral aspect of head and thorax, 



showing principal structures. 



B. The same ; apex of abdomen of male, showing hypopygium, lateral aspect. 



C. Epiphragma (Epiphragma) fascipennis (Say) ; male hypopygium, dorsal aspect. 



D. P scxidolwmo phila inornata (O.S.) ; mesonotum, dorsal aspect. 



Symbols : 



a antenna 



ahs abdominal sternites 



abt abdominal tergites 



aed aedeagus 



aes anepisternum 



(mesepisternum) 

 al wing 

 h basistyle (coxite, pleurite, 



gonostipes, side-piece) 

 ex coxa 

 d dististyle (style, clasper, 



apical appendage) 

 em epimeron 

 es episternum 

 / frontal prolongation of 



head (rostrum) 

 h haltere 

 in interbase 

 mt postnotal mediotergite 

 n nasus 

 /> maxillary palpus 



