CICINDELID^:. 



423 



resemblance to ants than to the Cicindelae proper, so much so 

 that when the insects are seen prowling in search of prey along 



Fig. 351. Fig. 352. Fig- 353. 



the slender branches of trees, they can scarcely be distinguished 

 from large ants of the Ponera group. 



The genus Amblychila has the third joint of the maxillary 



Fig. 354. Fig. 355. Fig. 356. Fig. 357. 



palpi longer than the fourth, and the first joint of the labial 

 palpi very short, while the epipleurae are wide. Omus differs 

 in the wider epipleume ; both genera inhabit the Pacific States, 



Fig. 358. 



and the former is found as far east as Kansas. Tetracha (Fig. 

 351, T. Virginica Hope) has the first joint of the labial palpi 

 elongated. In Cicindela and allies, the third joint of the max- 



