FT AN ACCOUNT OF BRITISH FLIES. 
A. pimpinelle, F . 
The larvee live in galls on Pimpinelle saxifraga. They pupate in 
the earth. 
SECTION 2.—LESTREMIN &. 
Sus-GENus.—Campylomyza, Mg. 
The life histories. of this sub-genus are not well known—many live 
in decayed wood. They are common insects in hedges, woods and 
windows, especially those of hot-houses. PI. i. (6). 
C. flavipes, Mg, = C. pallipes, Zett.* 
Black, shining, with brown abdomen. Wings limpid, nerves dark ; 
halteres pale ; legs testaceous ; length $ lin. Found amongst grass 
in the autumn. 
C. bicolor, Mg., 
Very like the former. Black; fuscous abdomen ; wings limpid ; 
distance between tip of first longitudinal vein and transverse veinlet 
is four times the length of the latter; halteres whitish ; legs pale ; 
length $ lin. Appears in the autumn. 
C. aceris, Mg. 
Shining black ; abdomen piceous ; wings limpid ; halteres, veins of 
wings and legs testaceous. Length } lin. 
C. halterata, Zett. = C. atra, Wik. 
Black, piceous legs and abdomen. Halteres white ;+ wings 
limpid, gray, dark pubescence; length 1 lin. Habits unknown. 
Pl. ii. (6). 
A fossil, Campylomyza (C. grandeva), has been found in the 
Purbeck beds of the Dorsetshire Coast. 
Sus-GENus.—Micromyia, Rud. 
M. globifera, Hal. = Campylomyza globifera, W\k. et Hal. 
Imago.—Deep black, not glossy. Antennz not so long as the 
thorax, 11-jointed, fuscous ; first two joints black; second joint very 
large in g. Wings white, hyaline ; costal and two anterior veins light 
brown, posterior veins colourless ; halteres and legs dingy yellow— 
abdomen long; posterior segments in 9 not so much attenuated as 
usual; eighth and ninth largely exserted, dingy yellow; terminal 
* Dipt. Scan., vol. ix., p- 3672. 
+ According to Walker they are piceous. 
