AQUATIC INSECTS IN THE ADIRONDACKS 595 



PLATE 26 



Neuroptera 



Fig. 

 IChauliodes serricornis Say, newly transformed. The cast off 

 pupal sMa is seen banging out of burrow in rotten wood. Photo from life 

 by J. G. Needham 

 2 Polystoechotes punctatus Say. Photo by J. G. Needham 



PLATE 27 



Chauliodes serricornis Say 



a A pair in copulo beneath a leaf of the flowering fern (Osmund a 



regalis L. ; a large number of eggs already present. 

 i Same pair, enlarged 

 c Female of the same pair, ovipositing later 



Photos from life by J. G. Needham 



PLATE 28 

 Horned Corydalis, Corydalis cornuta Linn. : «the larva ; ^the pupa 

 ^the male imago ; '^head and thorax of the female (after Riley) 



PLATE 29 



Sialis infumata Walk. 



Fig. 



1 Wing of the imago 



2 Lateral view of the pupa 



3 Dorsal view of the larva 



Drawings by Miss Anthony 



PLATE 30 



Caddis flies (Trichoptera) 



Fig. 



IPhryganea cinerea Walker 

 2Goniotaulius dispectus Walker 

 3Halesus indistinctus Hagen 



PLATE 31 

 Caddis flies (T r i c h o p t e r a ) 



Fig 



1 Hales US hostis Hagen 



2 H. sp. ? 



PLATE 32 



Caddis flies (Trichoptera ) 



Fig. 



1 Larva of H a 1 e 8 u s sp. ? no. 3, dorsal view 



2 Larva of H a 1 es u s sp. ? no. 2, dorsal view 



3 Larva of Halesus sp. ? no. 1, dorsal view 



4 Pupa of Halesus sp. ? no. 3, lateral view 



5 Pupa of Halesus sp. ? no. 2. lateral view 



6 Pupa of H al e su s sp. ? no. 1, lateral view 



