CHIRONOMID MIDGES — SUBLETTE 199 



Females: Wing length, range 2.22-3.15; mean 2.62 mm. (3); leg 

 ratio 0.7 (1). 



Material examined: In UCLA: 1 male, 1 female, Whitmore Tub, 

 Mono Co., Aug. 3, 1952, W. A. McDonald; 5 males, 1 female, Resting 

 Springs, May 29, 1955; 1 male, 1 female, 1000 Palm Canyon, River- 

 side Co., Mar. 20, 1954; B. In USNM: 6 males, Hume Lake, July 20, 

 1947, W; 1 female, Mono Lake, Mono Co., June 7, 1948, lake margin, 

 W. In UC, Davis: 1 female, Manzanita Lake, Lassen National Park, 

 June 16, 1941, J. R. Fisher. 



Lauterborniella agrayloides (Kicffer) 



Tanytarsus (Calopsectra) agrayloides Kieffer, Bull. Soc. Hist. Nat. Metz., vol. 

 27, pp. 45, 51, 1911. 



Males: Wing length, range 1.44-1.66; mean 1.54 mm. (3) ; leg ratio 

 1.31 (1); antenna! ratio, range 1.05-1.2; mean 1.11 (3). 



Material examined: In USNM: 1 male, 6 miles east of Orosi, 

 July 8, 1947; 2 males, Orosi, Tulare Co., June 5, 1947, W; 1 male, 

 Tahoe City, June 17, 1920, H. G. Dyar. 



Microtendipes caducus Townes 



Microtendipes caducus Townes, Amer. Midi. Nat., vol. 34, p. 24, 1945. 



Males: Wing length, range 2.96-3.44; mean 3.13 mm. (5); leg 

 ratio 1.0, 1.12 (2); antennal ratio, range 2.0-2.08; mean 2.04 (5). 



Material examined: In USNM: 4 males, Wheeler's Spring, Ventura 

 Co., light trap, June 16, 1948, W; 1 male, Springville, July 10, 1947, W. 



Previous California records: Tahoe City, Placer Co., Townes, 

 1945, p. 24. 



Microtendipes pedellus var. stygius Townes 



Microtendipes pedellus var. stygius Townes, Amer. Midi. Nat. vol. 34, p. 26, 1945 



These specimens agree with the description of M. pedellus except 

 for their higher antennal ratio. Two specimens were entirely dark 

 while the other had the scutellum and legs stramineous except for the 

 apical 0.1 of femora and basal and apical 0.1 of tibiae, which are 

 blackish. 



Males: Whig length, range 3.7-3.89; mean 3.76 mm. (3); leg ratio 

 1.1, 1.09 (2); antennal ratio 3.64, 3.37 (2). 



Material examined: In UCLA: 2 males, 1000 Island Lake, Madera 

 Co., Aug. 5, 1952, W. A. McDonald; 1 male, Lee's Lake, Chatworth, 

 Los Angeles Co., Aug. 5, 1950, B. 



