INSECUTOR INSCITI^ MENSTRUUS 19 



Aedes fishei'i, new species. 



Proboscis, palpi, and antennae black. Integument black ; head 

 with sparse, narrow curved, bronzy brown scales on the vertex^ 

 small flat whitish ones on the sides ; many erected forked black 

 ones on the nape. Mesonotum with sparse, coarse, narrow 

 curved, bronzy brown scales, becoming straw-yellow around the 

 antescutellar space and over roots of wings; scales on pleura 

 small, flat, whitish. Abdomen black scaled, with small irregu- 

 lar bands of white ones at the bases of the segments, narrowly 

 cleft on the dorsal line, widening on the sides, but not covering 

 over half of the segment; penultimate segment with lateral 

 patches only, last segment wholly black. Venter black scaled, 

 the last two segments wholly black ; fourth segment with white 

 scales at base, third largely white scaled on basal half. Legs 

 black scaled, the femora whitish beneath ; femora, tibiae, and 

 first tarsal joint sprinkled with whitish scales. Wing scales 

 black, a few white ones at base of costa and roots of first and 

 fifth veins; outstanding scales long, slender, black, uniform. 



Six females, collected by Dr. A. K. Fisher of the U. S. 

 Biological Survey, at Tahoe Tavern, at the outlet of Lake 

 Tahoe, California, June 20, 1915. 



Type, No. 21042, U. S. Nat. Mus. 



This species is of the size of cinereus and ventroznttis. The 

 male is unknown, but presumably has long palpi ; the mesono- 

 tum is dark brown, not bronzy, and has no dark lines ; there are 

 white scales on the legs and the abdominal bands do not join in a 

 white lateral line. These characters dififerentiate it from cin- 

 ereus. It is closest to ventroz'ittis, but the mesonotum is uni- 

 formly dark brown, not golden yellow with more or less dis- 

 tinct paired brown lines ; there are less white scales on the 

 wings and the ventral black line of the abdomen is lacking. 

 The species is of a diflferent seasonal occurrence ; ventrovittis 

 is early, none being seen at Fallen Leaf after June 15 of 1916, 

 a very late season. Dr. Fisher took fisheri at Tahoe Tavern, 

 a more advanced locality than Fallen Leaf, and in 1915, a 

 normally early season. It is probable that fisheri did not ap- 



