CHIRONOMID MIDGES OF CALIFORNIA — SUBLETTE 127 



1955, H. Brydon. In UCR: 1 male, 3 females, San Jacinto, Riverside 

 Co., Sept. 26, 1958, S; 2 males, 2 females, San Jacinto, Riverside Co., 

 July 7, 1958; 1 male, San Jacinto, Riverside Co., Aug. 1, 1958; 1 

 male, Lancaster, Aug. 18, 1958; 1 female, Lancaster, July 28, 1958, S. 



Subfamily Podonominae 



Boreochliis persimilis (Johannsen) 



Figure 7a 

 Trichotanypus persimilis Johannsen, Canadian Ent., vol. 58, p. 99, 1926. 

 Boreochlus persimilis (Johannsen), Edwards, in Edwards and Thienemann, 

 Zool. Anz., vol. 122, p. 153, 1938. 



Antennal pedicel dark cinnamon brown; flagelluni pale brown; 

 tip slightly enlarged, bent to one side with cluster of short terminal 

 hairs. Eyes reniform. Antennal ratio 0.31. 



Thorax dark cinnamon brown, somewhat pollinose. Pronotum 

 details obscured by pointing glue. Haltere stalk pale brown, knob 

 dark brown. One long, pale prealar bristle; dorsomedial bristles 

 long, pale, and appressed; dorsolateral bristles long, pale, suberect, 

 divergent, in single staggered row; scutellar bristles apparently rubbed, 

 at least 4. 



Fore leg proportions, 55:60:32:18:15:9:6; fore leg ratio 0.53. 

 Hind tibia with single slender spur beset with prickles on basal 

 half; spur length less than apical diameter of tibia; comb of 6 spines. 



Wings densely haired, cuneiform, no anal angle. Squama with 10 

 hairs; costa greatly elongate (0.088 mm.). Venation as illustrated by 

 Johannsen (1952). Wing length 1.41 mm.; venarum ratio 1.13. 



Abdomen pale brown, somewhat darker on dorsal median line (first 

 segment only, others broken off in genitalia mount). 



The genitalia differs from the figure given by Edwards only by 

 having the dististyle somewhat excavated on the distal end instead 

 of being slightly enlarged. Such a difference could be attributed to 

 variations in mounting technique, and so I do not consider it 

 significant. 



Material examined: 1 male. Fallen Leaf, Lake Tahoe, June 17, 

 1916, H. G. Dyar. 



Podonomus species 



Material examined: 4 females, Nevada Co., Northwest of Cisco, 

 May 16, 1948, W. 



This is apparently a new species closely related to Podonomus 

 kiefferi (Garrett) and P. arietinus (Coquillett) but in the absence of 

 the male I prefer not to describe it. 



The species appears to differ from the aforementioned species by 

 having the halteres entirely black instead of with a whitish pedicel 

 and by having the abdomen yellowish-brown instead of black. 



