214 PROCEEDINGS OF THE NATIONAL MUSEUM voi,. 112 



Tendipcs (Tendipcs) ripurius (Meigep) 



Chironomus riparius Meigen, Klassifikazion und Beschreibuhg dor Europiiischen 

 zweifltlgeligen tnsekteb, p. 13, 1804. 



Male: Wing length 4.37 mm.; leg ratio 1.5; antenna! ratio 3.65. 



Females: Wing length, range 3.55-4.14; mean 3.88 mm. (5); leg 

 ratio, range 1.5-1.73; mean 1.59 (5). 



Material examined: In USNM: 1 male, 2 females, Altnras, Modoc 

 Co., July 14, 1948, W; 3 females, Nevada Co., northwest of Cisco, 

 May 16, 1948, W. In UC, Davis: One male, Hat Creek Post Office, 

 Shasta Co., July 10, 1955, A. J. Mueller. 



Tendipcs (Tendipcs) utahensis (IMulloch) 



Chironomus utahensis Malloeh, Bull. Illinois State Lab. Nat. Hist., vol. 10, p. 

 438, 1915. 



Males: Wing length, range 4.1-4.92; mean 4.46 mm. (10); leg 

 ratio, range 1.1-1.37; mean 1.17 (10); antennal ratio, range 4.76-5.8; 

 mean 5.25 (9). 



Females: Wing length, range 3.89-6.66; mean 4.81 mm. (7) leg 

 ratio, range 1.15-1.3; mean 1.21 (7). 



Material examined: In USNM: 2 males, 3 females, Stronghold, 

 Modoc Co., July 17, 1948, W; 4 males, Westwood, Lassen Co., May 

 16, 1948, W; 1 female, Topaz Lake, Mono Co., July 25, 1948, R. 

 Coleman; 6 females, June 5, 1948, W; 3 males, Topaz Lake, July 10, 

 1919; 6 males, Lake Crowley, Bishop, Inyo Co., June 11, 1949, P. 11. 

 Needham. In UC, Davis: One female, Topaz Lake, Mono Co., 

 June 26, 1957, II. Axelrod; Blanco's Corral, White Mountains, Mono 

 Co., 10,000 ft.; July 5, 1958, W. D. McLehan. 



In addition to the above there are 2 females, Moss Beach, San Mateo 

 Co., March 21, 1948, W and 1 female, Convict Lake, Mono Co., 

 June 6, 1948, lake margin, W, both in USNM, which probably are 

 referable to this species although they have unusually high leg ratios. 

 The larger size rules out T. atrella Townes. Wing length, range 4.7- 

 6.11; mean 5.21 mm. (3); leg ratio, range 1.36-1.5; mean 1.42 (3). 



Previous California records: Alkali Lake in Antelope Valley, 

 Townes, 1945, p. 127. 



Tendipcs (Tendipcs) staegeri (Lumlbcck) 



Chironomus slaegeri Lundbcck, Vidcnsk. Meddcl. Nat. For. K0benhavn, vol. 50, 

 p. 271, 1898. 



Males: Wing length, range 3.96-4.74; mean 4.41 mm. (7); leg ratio, 

 range 1.21-1.35; mean 1.28 (6) ; antennal ratio, range 3.75-4.44; mean 

 4.13 (5). 



