TABANID^. 



179 



ming free in the water; indeed one may occasionally find 

 them in the most unexpected places. The pupae are 

 difficult to find in nature, though they usually rest near 

 the surface of the ground wherever the larvae come to 

 maturity. Larvae taken in the spring are easily reared 

 in jars of moist earth on a diet of angle worms; but only 

 a single specimen can be reared in each jar, for they are 

 cannibalistic in nature. The body of the larvae is eleven- 

 segmented, each segment usually encircled by a row of 

 fleshy protuberances, which are most pronounced on the 



Fig. 65. Tabanidae. i, Tabanus, wing; 2, 3, Tabanus, antennae, 

 4, Dichelacera, antenna; 5, Snowiellus, head, side; 6, Hcrmatopota 

 head, in front; 7, Diachlorus, head, front; 9, Lepidoselaga, front leg; 

 iQ,Stibasoma,\eg\ n, Chrysops, head; 12, Chrysops, leg; 13, Goniops, 

 head, front; 14, Silvius, antenna; 15, Apatolestes, head, front; 16, Pity- 

 ocera, antenna (Giglio-Tos) . Figures by J. S. Hine. 



