The Prodncliviiy of T'ish Food in Oneida Lake ujy 



Family Limnepiiilid^ 

 Neophylax species. 

 Platyphylax maculipennis Kol. 

 Lininepliilid larvae. 



FaM ILY Skkicostomatid-E 

 Helicopsyche borealis Hagen. 



Caddis-fiy larvae were abundant in several habitats, asso- 

 ciated with chironomid larvae, ostracods, amphipods, oligochsete 

 worms, gastropod mollusks, etc. The group as a whole inhab- 

 ited all varieties of bottom in water from 1-18 feet deep, being 

 common in shallow water (1-4 feet), and rare in deep water 

 (10-18 feet). Helicopsyche was the most abundant as regards 

 individuals, followed by Agraylea. This genus of caddis-fiy 

 larvse greatly resembles the gastropod genus Ancyliis and has 

 been so identified by several students not acquainted with 

 these forms. 



Of the thirteen families of Trichoptera, seven are repre- 

 sented in the collections. As the collecting of these insects was 

 done just after nearly all of the species had emerged as adults, 

 much of the material secured consisted of emp^ty cases and 

 tubes. Adult caddis-flies were observed flying about towai"d 

 evening near the steamboat landing and under the trees near 

 the Eastwood homestead. None were collected, however. 

 The immature stages of but few species have been described 

 and many of these stages would require rearing for positive 

 identification. Caddis-flies in both the adult and larval con- 

 ditions are <jf value as food for fish. Identifications by Dr. 

 Cornelius Betten. 



order eepidoptera 



Family Pyralid/E 



Nymphula maculalis Clem- Nymphula species, larva, 

 ens. Larva. Elophila species, larva. 



The aquatic larvae of these moths live usually on the leaves 

 of the Yellow Water-lily, Nymphcea advena (or americana) . 

 No specimens of these larvae were observed on the lily leaves 



