160 Grimshaw: Lincolnshire Diptera. 
Philonicus albiceps Mg. Mumby Chapel, one 9, 31st July 
1888 (Ma i 
Son, 1890 3 ; 
Eutolmus rufibarbis Mg. Mumby Chapel, 12th July 1886 _ 
(Mason, 1896). 
Dysmachus trigonus Mg. Fhédalethnipe, § two 2s, June 1896. 
Mablethorpe, ten ¢s and seven 3s, June 1897 (Thornley). 
Mablethorpe, June 1887 (Mason, 1896). Mablethorpe, June 
1886 (Kew, 1886, but recorded as Aszlus trigonus Mg.). 
Linc. S.: Ancaster, one 9, June 1896. 
Fam. THEREVID. « 
Thereva nobilitata Fab. Mablethorpe, one g and four 95, — 
June 1897 (Thornley). ; 
Thereva fulva Mg. Theddlethorpe, one 9, June 1896 
(Thornley). 
Thereva annulata Fab. Theddlethorpe, one 2, June “1806 
(Thornley). Mablethorpe, twenty-six ¢s and one $, 
June 1897 (Thornley). Mumby Chapel, 19th July 1886 
(Mason, 1896). Mablethorpe, June 1886 (Kew, 1886). 
Fam. EMPIDE. 
Empis tessellata Fab. Well, one, 16th June 1888 (Mason, — 
1890). Burwell Wood, Louth, 1887 (Kew, 1888). 
Empis livida L. Mablethorpe, seven ¢s and three 9s, June 
1897 (Thornley). Near Louth, 1886 and 1887 (see Kew, 
1886 and 1888). 
Empis borealis L. Well, 6th June 1885 (Mason, 1896). 
Empis stercorea L. Well, one 2, 25th June 1888 (Mason, — 
1890). . 
Empis Iutea Mg. Hubbard’s Valley, Louth, 16th July, 1886 
(Kew 1886) 
Empis trigramma Mg. Torksey, three 9s, May 1896 Z 
(Thornley). 
Tachypeza nubila Mg. Mumby Chapel, one 9, 23rd July 
1888 (Mason, 1890). 
Tachista arrogans L. Mumby Chapel, one 9, 23rd July 
1888 (Mason, 1890). 
Tachydromia flavipes Fab. vishuainene! one 3, June 1897 
Tachydromia bicolor F ab. Well, one g, 16th June 1888, and : 
one g, aye dees 1888 geet 1890). eh Ss 2 
Naturalist, 
