96 PROCEEDINGS OF THE NATIONAL MUSEUM vol. 115 



Pentaneura {Pentaneura) lyra, new species 



Figures 2c, d 



Holotype male: USNM 65508, Wheeler's Springs, Ventura Co., 

 June 16, 1948, light trap, W. 



Head infuscate yellow; antennal pedicels dark reddish-brown; 

 flagellum infuscate. Palpi infuscate; ratio 38:45:55:95. Clypeus 

 slightly longer than broad, with 13 bristles. Postocular bristles 

 reaching point medial to long narrow doreal extensions of eyes; in 

 single row. 



Thorax reddish-brown; pleura, spaces between vittae, humeri and 

 scutellum pale yellowish-white. Prothorax infuscate yellow; com- 

 pletely divided by rather narrow notch; 2 lateral fine bristles. Post- 

 notum reddish-brown. Halteres white. Prealar bristles 13; dorso- 

 medial bristles in staggered single row; dorsolateral bristles in double 

 staggered row, posterior rows dilated medially, almost reaching 

 midline; scutellum with 12 long, pale bristles in posterior single row; 

 anteriorly several fine pale strewn bristles near midline; anterolateral 

 bristles 9. 



Fore legs without beard; middle and hind legs heavily pilose. 

 Single spur of fore tibia somewhat lyrate with 8 side teeth being almost 

 as large as main spur continuation; both spurs of middle and hind 

 tibiae lyrate, very similar to that of fore leg, about equal length, 

 each with 7 to 9 side teeth; comb of hind tibia of 5 bristles. 



Leg proportions: 



Ratio of arculus to m-cu:m-cu to wing tip 0.44. R4+5 terminates 

 distal to Cui; M terminates slightly below apex of wing; membrane 

 rather heavily haired; cross veins not darkened; length of first basal 

 cell beyond distal end of second basal cell greater than length of m-cu. 

 Wing length 2.00 mm.; venarum ratio 0.91. 



Abdominal segments I to V whitish with basal one-third to one- 

 haK covered by blotchy black fascia; segment VI and beyond largely 

 blackish-brown . 



Genitalia with pale bristles on ninth tergite. 



Female: Unknown. 



Paratypes: In USNM: 1 male, Springville, July 10, 1947, W. 

 In UCLA: 1 male, China Ranch, Inyo Co., May 29, 1955; 4 males. 

 Resting Springs, Inyo Co., May 29, 30, 1955. In UCD: 1 male, 4 

 miles west of Quincy, Plumas Co., July 16, 1949, W. E. Ehrhardt. 



Males: Wing length, range 1.74-2.04; mean 1.87 mm. (6); fore leg 

 ratio 0.66-0.71 (2); antennal ratio, range 1.40-1.54; mean 1.45 (3); 



