LIST OF THE AQUATIC LARVAE OF FLIES 

 OCCURRING IN THE HULL DISTRICT. 



By H. M. Foster. 



THE following is a preliminary list of the aquatic larvae 

 so far noted in the Hull neighbourhood. Only those 

 species of which identification was certain have been 

 included. I have examples of each preserved and mounted 

 for the miscroscope. 



DIPTERA. 



Culex pipiens. Generally distributed in stagnant waters. 



Corethra plumicornis. Pond at Leconfield. It 

 frequents water about two feet deep, and lives near the 

 bottom. 



Chironomus plumosus. In ponds and ditches 

 throughout the district. 



Tanypus maculatus. Pond at Springhead. " Eleven 

 acre " pond, Leconfield, and probably occurs plentifully in 

 other local waters. 



Ceratopogon tricolor. Eleven acre pond, Leconfield. 

 Ditch at Springhead. 



Dicranota bimaculata. Scorboro' Beck at Bealey's 

 Lane, found in the mud. (Very scarce). 



Ptychoptera paludosa. Pond on Springhead Road. 

 Clear stream near Watton. (Found in the mud). 



Simulium latipes. Watton Beck at Watton. Cave 

 Beck. Gipsie at Boynton and Bridlington. 



Simulium reptans. Scorboro' Beck at Bealey Lane. 

 Hempholme Lock, below Weir, River Hull. 



Stratiomys chameleon. Ryde Street Brickpond, Hull. 



Eristalis ten ax. Stagnant water, Leconfield. 



TRICHOPTERA. 



Limnophilus rhombicus. Ryde Street Brickpond, Hull. 

 Limnophilus flavicornis. Barmston Drain, River Hull, 

 and other local waters. 



L. lunatus. Generally and plentifully distributed. 

 L. vittatus. Pond at Springhead. 

 L. auricula. Scorboro' Beck ; Gipsie, Bridlington. 

 Plectronem ia. Brian Mill Beck, Scorboro', below the Mill. 

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