184 



Illinois Natural History Survey Bulletin 



Vol. 23. Art. 1 



Illinois Records. — Elgin: April 19, 

 1939, Burks & Riegel, 3 pupae; May 9, 

 1939, Ross & Burks, 2^,2 pupae, 3 larvae; 

 May 14, 1939, Ross k Burks, U , 3 $ ; May 

 20, 1939, ii cases, \$ pupa, 3 9 pupae; 

 June 13, 1939, Prison & Ross, many larvae; 

 May 7, 1941, Mohr & Burks, 1 <5 , 1 9 ; pre- 

 ceding Elgin records from Botanical Gar- 

 dens; Rainbow Springs, April 19, 1939, 

 Burks & Riegel, 7 pupae; Trout Spring,' 

 March 7, 1940, Burks & Mohr, 8 larvae. 



Ironoquia Banks 



Ironoquia Banks (1916, p. 121). Genotype, 

 by original designation: Chaetopterygopsis par- 

 vula Banks. 



This genus contains only one species, the 

 genotype, described from New Brunswick, 

 New Jersey. It has not been taken in Illi- 

 nois. 



Leptophylax Banks 



Leptophylax Banks (1900a, p. 252). Geno- 

 type, monobasic: Leptophylax gracilis Banks. 



Only one species is known for the genus, 

 and this has been taken in Illinois. 



Leptophylax gracilis Banks 



Leptophylax gracilis Banks (1900rt, p. 252); 



Larva. — Unknown. 



Adults.— Fig. 644. Length 1^16 mm. 

 Color tawny, the antennae and anal portion 

 of the wings darker brown. Form elongate, 

 the head and pronotum long, f^g. 644. Male 

 genitalia, fig. 645: cerci large, the apical 

 margm sclerotized and the apico-dorsal cor- 

 ner forming a sclerotized point; tenth tergite 

 formmg two long, narrow blades; claspers 

 narrow, long and pointed, the apex tipped 

 with black. Female genitalia with apical 

 segments large, and the lateral lobes of the 

 tenth tergite long and pointed. 



We have no recent record of this species 

 trom Ilhnois, but it has been collected in 

 earlier years from Chicago and Algonquin. 

 JNothing IS known of the biology of the spe- 

 cies. It is widespread through the North- 

 east; records are known from Illinois, 

 Michigan, Minnesota, New York and South 

 Dakota. 



Illinois Records.— Algonquin: July 3, 



Fig. bU.~Leptophylax gracilis 9. Now 

 rarity, but apparently abundant in Illinois 

 one time. 



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