266 



CLASSIFICATION 



[CH. 



Tribe 1. Synthemini (fig. 125). 



Triangle of hindwing distad from arculus. Median space crossed. Anal 

 loop short, rounded, three or more cell-rows in width. Insects of slender 

 build and graceful flight. Larva resembles that of Cordulegastrinae, hairy, 

 with divergent wing-sheaths (fig. 33); lateral lobes of mask deeply dentate; 

 legs short. 



Fig. 125. 



Wings of Synthemis claviculata Tillyard, $, Queensland. 

 (Hw. 30 mm.) Original. 



Tribe 2. Macromiini (fig. 126). 



Triangle of hindwing distad from arculus. Median space free. Anal loop 

 as in Tribe 1. Large insects of strong build, Aeschnine appearance, and 

 rapid flight. Larva with smooth rounded body, long legs, projecting eyes, 

 and a prominent pyramidal horn on the front of the head, between the antennae 

 (fig. 36 c); lateral lobes of mask deeply indented. 



Fig. 126. 



Wings of Macromia pacifica Hagen, 

 (Hw. 40 mm.) Original. 



N. America. 



