208 



DIPTBEA OR TKUE FLIES. 



are especially troiil)lesome in the New Forest, where they often 

 tease horses severely^ T. huvinus is frequently called the Ox 



Fig. 101. — A, Hkad, and b. Proboscis of Tabantis autumnalis. 

 (After Delatond.) 



n, AiitCBiia ; }-), maxillary piilT ; t, proboscis ; ..-■, mandibles and niaiillEE ; Is, epi- 

 pharynx; la, liypopharynx ; li, labium. 



Gad-fly ; and some specimens reach more than an inch in length. 

 In colour the male is dark-brown on the thorax, with five pale 



Fig. 102,— Ox Gat>-¥W{ {Tahawushovirms). 

 '-', Imago; u, larva; iC, pupa. 



stripes, and pale yellowish hair ; abdomen reddish-brown, with 

 a black central line and tip, and with a pale spot in the middle 



