162 Grimshaw: Lincolnshire Dipiera. 
Platychirus albimanus Fab. Mablethorpe, one ?, June 1897 
(Thornley). 
Platychirus peltatus Mg. Theddlethorpe, one ¢, June 1896. 
Grimsby, one 2, September 1896. Mablethorpe, one d, 
June 1897 (Thornley). 
Platychirus scutatus Mg. ‘Theddlethorpe, two ¢s, June 1896 
(Thornley). 
Platychirus fulviventris Mcg. Theddlethorpe, one ¢, June 
Mablethorpe, one ¢, June 1897 (Thornley). 
Platychirus scambus Staeg. Theddlethorpe, four gs, June 
1896. Ma 
blethorpe, three 9s, June 1897 (Thornley). 
Platychirus clypeatus Mg. Mumby Chapel, August 1887 
(Mason, 1896). Theddlethorpe, two @s, June 1896. 
Mablethorpe, three ¢s and seven 3s, June 1897 (Thornley). 
Platychirus angustatus Ztt. Mablethorpe, one ?, June 1897 
(Thornley). 
Syrphus umbellatarum Fab. ‘Torksey, several examples, 
1896 (Thornley). 
len balteatus DeG. Alford district, eleven (Mason, 
Pap ite bileaciatas Fab. Well, two, roth and 16th ‘June 
188. 
Mason, 1890). 
Syrphus luniger Mg. Grimsby, one 2, September 1896 
(Thornley). 
Syrphus corollz Fab. No localities given for Linc. N. 
inc. S.: Kirton Marsh, Boston, 26th August 1897 
(Thornley). : 
ehannods aun Mg. . Mablethorpe, one ?, June 1897 
(Thornley). 
Syrphus geen L. Mumby Chapel, 25th July 1887. Alford, 
27th June 1887. Well, 5th June 1887. Mablethorpe, one d, 
18th August 1888 (Mason, 1896). Mablethorpe, one ?5 
June 1897 (Thornley). 
Catabomba pyrastri L. Grimsby, one ¢, September 1896 
(Thornley). : 
Spherophoria scripta L. No localities given for Linc. N. 
Linc. S.: Kirton Marsh, near Boston, one 5 26th 
August 1897 (Thornley). 
Baccha obscuripennis Mg. Rigsby, 13th September 1886 | 
(Mason, 1806). 
SERENA a 
Naturalist 
