124 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 115 



Procladius denticiilatus, new species 



Figures 6/-/^ 

 Procladius culiciformis, of authors, not Linnaeus. 



Holotype male: USNM 65521, Fortuna, Humboldt Co., May 12, 

 1960, light trap. 



Head largely black but some infuscate yellow in front of and behind 

 eyes. Antennal flagellum black. Postocular bristles in 2 staggered 

 rows; reaching almost to midline. Eyes with parallel-sided dorsal 

 extensions. Palpi black, ratio 15:22:36:50. Clypeus somewhat 

 swollen, with about 20 bristles. Antennal ratio 1.74. 



Pronotum with wide notch; yellow apically, black laterally; 15 

 fine lateral bristles. Mesonotum largely shining black; humeri and 

 pleural areas infuscate yellow; greyish pollinose when viewed obliquely; 

 thoracic bristles shining black. Scutellum, postnotum, and ster- 

 nopleuron black. Halteres yellow, infuscate basally. One supra-alar 

 bristle; prealar bristles 23; dorsomedial bristles staggered in two 

 rows, dividing in front of prescutellar area and extending laterally 

 to reach almost to dorsolateral bristles; dorsolateral bristles in single 

 row, extending medially just in front of scutellum to midUne; scutel- 

 lum with about 48 strewn bristles; anterolateral bristles 6. 



Wings with broad triangular black fascia with base extending from 

 point proximal to the termination of Ri to near the tip of R4+5; apex 

 at termination of Cuo. Cross veins with dark spot; large dark spot 

 in anal margin. Wing length 3.00 mm. ; venarum ratio 1.44. 



Legs largely blackish; base of fore femur and, to lesser extent, 

 middle and hind legs infuscate yellow. Fore tibia with single long 

 straight spur, bearing 5 side spines. Middle leg with spurs of almost 

 equal length, each with 5 or 6 spines. Hind leg with outer spur 

 slightly shorter than inner; ratio 48:60; comb of 13 spines. 



Leg proportions: 



Ti Tai Toj Toa Tat Tat, Ratio 



72 59 27 20 13 9 0.82 



68 47 23 17 10 8 0.69 



84 60 30 20 12 9 0.71 



Abdomen black ; apical one-third of each segment heavily infuscate 

 yellow; basal dark portion pilose, about 65 bristles on each side of 

 segment II. 



I cannot distinguish the female of this species with certainty from 

 that of P. freemani, new species. 



Paratypes: In USNM: 3 males, Shafter, Kern Co., June 1946, 

 B. Brookman; 1 male, Wheeler's Springs, Ventura Co., June 16, 

 1948, W; 2 males. Independence, Inyo Co., Aug. 22, 1952, B; 1 

 male, Hume Lake, July 20, 1947, W; 1 male. Clear Lake, Lake 

 Co., Oct. 11, 1947, W. In UCLA: 2 males, Huntington Beach, 



