NO. 12 " ADAPTATIONS " TO SOCIAL LIFE SNYDER I3 



Plate 2 

 SEX 



ReficuUtermes £avipes Kol. Mature egg-laying female or queen of the 



first form with abdomen distended as a result of post-adult growth. 

 Reiiculitermes Hainpes Kol. Mature male with abdomen only slightly 



distended as a result of lesser post-adult growth. 

 Reticiditermes tibialis Banks. Mature egg-laying brachypterous female 



or queen of the second form with abdomen distended as a result of 



post-adult growth. 

 Reticiditermes tibialis Banks. Mature brachypterous male with ab- 

 domen only slightly distended as a result of post-adult growth. 

 Termopsis angusticollis Hagen. Mature female or queen of the first 



form with but slightly distended abdomen due to post-adult growth. 



This queen is active. 

 Lacessitermes atrior Holmgren. Remarkable apterous or ergatoid 



reproductive form from Java. 

 Lacessitermes atrior Holmgren. View of head showing mandibles, 



compound eyes and frontal gland. 

 Lacessitermes atrior Holmgren. Enlarged view of mandibles. 

 Lacessitermes atrior Holmgren. Nymph of the first form with wing 



pads which resembles a Jassid. 

 Fig. 10. Lacessitermes atrior Holmgren. Greatly enlarged view of head of 



nymph showing mandibles, eyes and frontal gland. 



