CONTRIBUTION' TO A LIST OF THE DIPTERA OF 

 LAXCASHIilE AND CHESHIRE. 



(XORTH OF LAXCASTEK EXCEPTED). 



By Bexjx. Cooke. 



ASILID^. 



LapLria marginata. — A pair on the Cheshire coast many years ago. 



Asiliis cristatus. Common at Southport. 



A. forcipatus. Common on the Cheshire coast ; Southport. 



A. crabroniformis. Cheshire coast, scarce. 



Dasvpogon cinctellus. Common at Southport ; Cheshire coast. 



Dioctria rufipes. Manchester ; Marple. 



D. Baumpaueri. Hazelgrove ; Bowdon. 

 Leptogaster cvlindricus. Delamere forest. 



LEPTIDJE. 



Leptis scolopacea, tringaria, and lineola. Each common. 



Chrysopila holosericea and aurea. Common. 



Atherix Ibis. Bowdon. 



A. crassicornis. Eivington ; Greenfield. 



Ptiolina melfena. One example at TVhaley-bridge, June, 1859. 



Only just within the district. 

 Thereva bipimctata. Manchester ; Southport ; Bowdon. 

 T. cincta. Southport ; St. Anne's ; Cheshire coast. 

 T. plebeia. Southport ; Cheshire coast ; Bowdon. 

 T. fiiscipennis. Bowdon, June and July, 1875. 

 T. anntilata. Southport ; Cheshire coast ; Bowdon ; Delamere. 



EilPID^. 



Empis tessellata, Common. (E. borealis has been recorded from 

 Lancashire ; it belongs rather to the Lake district.) 



E. livida. Common. 



E. opaca. Manchester: Bowdon. 

 E. chioptera. Manchester. 



E. pennaria. yernalis, lepilopus, and leucoptera. Manchester. 



E. pilipes. HazelgroTe. 



E. stercoiea and ignota. Common. 



E. lutea. ^Marple; HazelgroTe. 



E. femorata. Eiyington. 



Hilara chorica. Manchester. 



H. pilosa. Abundant, 



