158 Grimshaw: Lincolnshire Diptera. 
Fam. CECIDOMYIDZ:, 
rae ee destructor Say. Alford, Bilsby, Rigsby-with- — 
Ailby, Well, Willoughby, etc. (Mason, 1896). 
m. MYCETOPHILIDAE, s 
Acnemia sieaiieies Me Alford, one 2, 3rd August 1888 
(Mason, 1890). : 
Macrocera fasciata Mg. Well, one, 25th June 1888 (Mason, 
1890). 
Fam. BIBIONIDEZ. 
Dilophus femoratus Mg. Bank of river Ancholme, Cadney, 
near Brigg, one 2, 2nd June 1895 (Roebuck). 
Bibio marci L. Lincoln, one ?, May 1896 (Thornley). Near 
Louth, two, 1887 (Kew, 1888). 
Bibio johannis L. Hallington (Kew, 1888). 
Fam. CHIRONOMID. 
Chironomus plumosus 1“. Torksey, one ¢, May 1896 
(Thornley). 
Ceratopogon bipunctatus L. Mumby Chapel, one 2, 315t 
July 1888 (Mason, 1890). Mablethorpe, one , 12th August 
1888 (Mason, 1890). 
Fam. CULICIDA. 
Culex nemorosus Mg. Mablethorpe, one ¢, June 1897 
(Thornley). 
Fam.. PTYCHOPTERIDE. 
Ptychoptera contaminata L. Rigsby, 3rd August 1887 
(Mason, 1896). Theddlethorpe, two ¢s and one ?, June 
1896 (Thornley). 
Ptychoptera albimana Fab. Well, one, 20th October 1888 
(Mason, 18go). 
Fam. LIMNOBIDZE, 
Limnobia flavipes Fab. Greenfield, two, 8th June 1887 
(Mason, 18096). 
Limnobia tripunctata Fab. Well, ¢ and 9, 27th June 1888 
(Mason, 1890). 
Rhypholophus lineatus Mg. Alford district (Mason, 1896). 
Trichocera regelationis L. Alford, 2nd December 1887 
(Mason, 1806). 
Fam. TIPULIDAL. 
Pachyrrhina histrio Fab. Alford, one, 8th August 1888 
(Mason, 1890). Louth, zoth July 1886; recorded as 
Tipula histrio ea 886). ce 
“Naturalist, 
