168 



The lectotype has been selected from a male listed as a paratype by 

 Malloch. This is because the description of the species is based mainly 

 upon a male, and no males are to be found among the St. Joseph, Illi- 

 nois, specimens. In contradiction with the original description the male 

 selected as lectotype was labeled as the type by Malloch and also the 

 slide with its genitalia. 

 Chironomus nitidellus Coquillett 



Proc. U. S. Nat. Mus., Vol. 23, No. 1225, March 27, 1901. p. 608. $ 



Bull. 111. State Lab. Nat. Hist., Vol. X, Art. VI, May, 1915, p. 468. $ and 9- 



Allotypes. — 9: Berrien Springs, Michigan, along St. Joseph River, July 

 16, 1914 (C. A. Hart). 



Description of the female is by J. R. Malloch. 

 Chironomus obscuratus Malloch 



Bull. 111. State Lab. Nat. Hist., Vol. X, Art. VI, May, 1915, p. 479. 



Lectotype. — £ : Dubois, Illinois, in creek valley, April 24, 1914 (C. A 

 Hart and J. R. Malloch). Slide No. 2552. 



Lectoallotype. — 9 : Dubois, Illinois, in creek valley, April 24, 1914 (C. A. 

 Hart and J. R. Malloch). 



Paratypes. — $ and 9: Dubois, Illinois, in creek valley, April 24, 1914 

 (C. A. Hart and J. R. Malloch); Lily, Illinois, along Mackinaw River, 

 June 11, 1914 (C. A. Hart). 



In fair condition. Genitalia of lectotypic male mounted in balsam on a 

 slide. 

 Chironomus parvilamellatus Malloch 



Bull. 111. State Lab. Nat. Hist., Vol. X, Art. VI, May, 1915, p. 479. 



Lectotype. — $ : Grand Tower, Illinois, on bank of Big Muddy River, April 

 22, 1914 (C. A. Hart and J. R. Malloch). Slide No. 2600. 



Paratypes. — $ : Grand Tower, Illinois, on bank of Big Muddy River, April 

 22, 1914 (C. A. Hart and J. R. Malloch). Slide No. 2982. 



Abdomen and genitalia of lectotypic male and one paratypic ma'e mountel 

 in balsam on slides. 

 Chironomus pseudovlridis Malloch 



Bull. III. State Lab. Nat. Hist., Vol. X, Art. VI, May, 1915, p. 450. 



Lectotype. — r? : Urbana, Illinois, at light, September 5, 1914 (C. A. Hart 

 and J. R. Malloch). 



Lectoallotype. — 9 : Urbana, Illinois, at light, September 5, 1914 (C. A. 

 Hart and J. R. Malloch). 



Paratypes. — $ and 9: Urbana, Illinois, at light, September 5. 1914 (C. 

 A. Hart and J. R. Malloch); South Haven, Michigan, lake shore, 'July 

 14, 1914 (C. A. Hart). Slide No. 2534. 



Genitalia of one paratypic male mounted In balsam on a slid?. Malloch 

 in original description lists month of collection of Urbana, Illinois, speci- 

 mens as August, whereas specimens were collected in September. 

 Chironomus quadripunctatus Malloch 



Bull. 111. State Lab. Nat. Hist., Vol. X, Art. VI, May, 1915, p. 437. 



Type. — r? : Lake Delavan, Wisconsin, September 7, 1892 (C. A. Hart). 

 Ace. No. 18810. 



In fair condition. 

 Chironomus serus Mallooh 



Bull. 111. State Lab. Nat. Hist., Vol. X, Art. VI, May, 1915. p. 481. 



Lectotype. — $ : Urbana, Illinois, at light, October 2, 1914 (C. A. Hart and 

 J. R. Malloch). Slide No. 2585. 



Lectoallotype. — 9: Urbana, Illinois, on window, September 27, 1914 (C. 

 A. Hart and J. R. Malloch). 



Paratypes. — $ and 9 : Urbana, Illinois, at light, October 2-3, 1914. on win- 

 dow, September 27, 1914 (C. A. Hart and J. R. Malloch); Urbana, Illi- 

 nois, May 22, 1906; Havana, Illinois, at light, September 13, 1895 (C. A. 

 Hart). Ace. No. 13572. Slide No. 2590. 



