516 Illinois State Laboratory of Natural History. 



Aquatic larva?: 2 Uranidea richardsoni, Aug. ; 2 Aplodinotus 

 grunniens, June, Sept.; 1 Roccus chrysops, Nov.; 1 Ethe- 

 ostoma fusiforme, July; 3 E. cceruleum, June, July; 2 

 E. zonale, June; 1 Hadropterus phoxocephalus, Apr.; 1 

 Percina caprodes, Aug.; 1 Boleosoma maculatum, July; 

 1 Ammocrypta pellucida, June; 2 Lepomis gibbosus, 

 yg.; 1 L. megalotis, June; 1 L. cyanellus, yg.; 2 Cheeno- 

 bryttus gulosus, yg., 1 Ambloplites rupestris, July; 3 

 Pomoxys, Apr. ; 5 Aphredoderus sayanus, Sept. ; 4 Eucalia 

 inconstans, Oct.; 1 Umbra limi, July; 1 Gambusia patrue- 

 lis, Sept.; 4 Zygonectes notatus, June, Sept., Oct.; 7 

 Fundulus diaphanus, June, Oct.; 1 Dorosoma cepedianum, 

 2J in., July; 1 yg.; 1 Hybopsis biguttatus, Sept.; 1 

 Notropis atherinoides, Aug.; 2 N. megalops, May; 4 N. 

 whipplei, June; 1 N. stramineus, Apr.; 4 N. heterodon, 

 May, July; 1 Pimephales promelas, May; 1 Placo- 

 pharynx carinatus, Oct.; 1 Moxostoma, Nov.; 1 M. aure- 

 olum, June; 5 M. macrolepidotum, June, Sept., Nov.; 

 1, 2 in., July. 1 Minytrema melanops, Oct.; 1 Erimyzon 

 sucetta, 3jin.; 2 Hypentelium nigricans, Aug.; 8 Icti- 

 obus velifer, Apr., July, Oct.; 1 I. bubalus, Oct.; 7 I. urus, 

 Apr., June, July, Aug., Oct., Nov.; 4 I. cyprinella, Apr., 

 June, July, Oct.; 12 Ictalurus punctatus, Apr., May, June, 

 Aug., Oct.; 1, 2| in., Sept.; 4 Amiurus, yg.; 1 A. natalis 

 2| in., July; 2 A. nebulosus, Oct.; 3 Noturus gyrinus, 

 May, Oct.; 2 Polyodon spathula, May, June. 



Nemocera: 2 Notropis atherinoides, Aug.; 4 N. whipplei, May; 

 1 N. heterodon, May. 



Brachycera: 4 Labidesthes sicculus, Oct.; 1 Zygonectes nota- 

 tus, Sept.; 5 Notropis whipplei, May, June. 



Simulium, larvce: 1 Eucalia inconstans, June; 1 Notropis 

 atherinoides, Apr.; 2 N. whipplei, June. 



Bibio albipennis: 1 Notropis atherinoides, May. 



Gulicidce: 1 Alvarius punctulatus, May; 1 Lepomis cyanellus, 

 yg.; 1 Aphredoderus sayanus, July; 1 Zygonectes notatus, 

 June; 1 Clupea chrysochloris, 2J in., Sept.; 2 Notropis 

 atherinoides, July; 1 Noturus gyrinus, Sept. 



Culicidai, larvce: 2 Micropterus dolomiei, yg.; 1 M. salmoides, 

 yg.; 1 Polyodon spathula, May. 



