G-. S. Graham-Smith 
479 
Pseudopyrellia cornicina Fab. 
A bright, metallic green fly, smaller than P. eriophthalma and less 
elongated in appearance. 
Length. 7 mm.; span of wings 15 mm. 
Head. In male eyes separated by 0-3 mm., in female by 1-2 mm. In both sexes 
the frontal stripe is black and narrow and bordered by bright green bands; 
cheeks bright green. Antennae black. Arista feathered as in P. eriophthalma. 
Thorax. Bright green without stripes. Inner post-sutural dorso-central bristles, 
one near abdomen; outer dorso-central bristles, three. 
Wings. Clear with fourth longitudinal vein turned up towards the third. Squama 
white. 
Legs. Black. 
Note. P. eriophthalma, P. cornicina and flies belonging to the 
genus Lucilia resemble each other in being green coloured. Besides 
differences in shape, antennae and coloration, the dorso-central bristles 
Fig. 6. Diagrams of the dorsal surface of the thorax of (1) L. caesar, (2) L. sericata, 
(3) P. eriophthalma and (4) P. cornicina. The sites of attachment of the dorso- 
central bristles are shown on the left and the bristles on the right. The arista of 
the antenna is shown above in each case. 
afford easy distinguishing marks. Their arrangement in the first two 
species has just been described. In the group to which L. caesar belongs 
there are two post-sutural inner dorso-central bristles, and in the group 
to which L. sericata belongs there are three. 
Graphomyia maculata Scop. 
A large, grey fly with black sharply defined markings. The male is 
much darker than the female. 
