CHIRONOMID MIDGES — SUBLETTE 223 



Female: Unknown. 



This species is separated from others of the Cladopelma group on 

 the basis of its distinctive male genitalia. 



Tendipes (Cryptochironomus) fulvus (Johannsen) 



Chironomus fulvus Johannsen, Bull. New York State Mus., vol. 86, p. 224, 1905. 



Males: Wing length, range 2.32-3.03; mean 2.74 mm. (16); leg 

 ratio, range 1.37-1.68; mean 1.55 (14); antennal ratio, range 2.55- 

 3.44; mean 3.03 (14). 



Females: Wing length, range 2.41-3.03; mean 2.70 mm. (3); leg 

 ratio 1.46, 1.68 (2). 



Material examined: In USNM: 5 males, 1 female, Clear Lake, 

 Co., Oct. 11, 1947, W; 3 males, 2 females, Stratford, July 8, 

 1947, W; 3 males, 1 female, Hume Lake, July 20, 1947, W; 1 male, 

 Palo Verde, Imperial Co., Mar. 8, 1949. In Darby: 4 males, 1 female, 

 Rio Linda, Aug. 2, Sept. 3, 1957; 2 males, Aug. 14, 1958, D; 1 male, 

 Sacramento, Oct. 16, 1957, D; 1 male, Davis, July 27, 1957, 1 male, 

 Aug. 25, 1958, D. In UCLA: 2 males, 2 females, Huntington Beach, 

 Apr. 6, 1949. In UC, Davis: 1 male, Davis, May 13, 1952, A. A. 

 Grigarick; 1 male, 1 female, Davis, May 13, 1952, M. 



Previous California records: Clear Lake, Nice, Townes, 1945, p. 98. 



Tendipes (Cryptochironomus) digitatus (Malloch), new combination 



Chironomus digitatus Malloch, Bull. Illinois State Lab. Nat. Hist., vol. 10, p. 

 483, 1915. 



Previous California records: Truckee, Townes, 1945, p. 100. 



Tendipes (Cryptochironomus) freqnens (Johannsen), new combination 



Chironomus frequens Johannsen, Bull. New York State Mus., vol. 86, p. 230, 1905. 



Males: Wing length, range 2.52-2.89; mean 2.69 mm. (8) ; leg iatio, 

 range 1.24-1.32; mean 1.26 (8); antennal ratio, range 2.86-3.22; mean 

 3.09 (7). 



Female: Wing length 2.85 mm.; leg ratio 1.28. 



Material examined: In USNM: 2 males, Hume Lake, July 20, 1947, 

 W. In Darby: 2 males, 1 female, Rio Linda, July 5, Oct. 3, 1957; 8 

 males, Aug. 14, 1958, D; 2 males, Davis, June 26, Aug. 26, 1957, D. 



Tendipes (Cryptochironomus) monochronomus (Wulp) 



Chironomus monochronomus Wulp, Tijdschr. Ent., vol. 17, p. 129, 1874. 



Males: Wing length, range 1.77-2.0; mean 1.88 mm. (9); leg ratio, 

 range 1.43-1.53; mean 1.49 (4); antennal ratio, range 2.17-2.5; mean 

 2.34 (8). 



