THE DIPTERA OF THE BRISTOL DISTRICT. 
69 
Proticalliphora groenlaudica (Ztt.) Very local. Found once in swarms 
in the garden of Bristol University in June, also Cheddar. 
Galliphora. ' The blue-bottles.' 
Calliphora erythrocephala (Mg.) Very common everywhere. Cheeks 
red, with black hairs. 
vomitoria (L.) Very common. Cheeks black, with red 
hairs. This latter is the commoner out-of-doors. 
Euphoria cornicina (F.) Freshford, S.M., &c. Common. 
Lucillia. 'The green-bottles.' 
Lucillia regina (Mg\) Bristol, April. 
,, ccesar (L.) Common everywhere. 
ruficeps (Mg\) Bristol, August. 
illustris (Mg.) S.M., June. 
sylvarum (Mg.) V.R.P. 
sericata (Mg.) Common. Larvae are known as ' sheep 
maggot,' and cause much damage, the eggs are laid 
in the w r ool. 
Anthomyid^: — A very large group of mostly grey flies, but with 
the long veins running straight to the tip of the wing. 
Polietes lardaria (F.) Sometimes very common. 
albolineata (Fin.) V.R.P. 
Hyetodesia incana (W. ) \ 
leucorum (Fin.) ( 
,, semicinerea (W.) I 
Iceta (Fin.) j 
erratica (Fin.) Freshford, July; V.R.P. and S.M. in 
January. 
signata (Mg.) V.R.P. 
errans (Mg.) V.P.O. 
,., scutellaris (Fin.) Bitton, June. 
,, abdominalis (Zett.) V.R.P. 
,, pallida (F.) Bitton, August. 
Allmostylus simplex (W.) Freshford, May. 
Mydcea pagana (F.) Bristol and Freshford. 
urbana (Mg.) V.R.P. 
impuncta (Fin.) Freshford, June. 
Spilogaster duplicata (Mg.) V.R.P. 
,, communis (Dsv.) Generally distributed through the 
district. 
uliginosa (Fin.) Bristol, June. 
,, quadrum (Fin.) V.R.P. 
,, pertusa (Mg.) Nailsea, July. 
Spilogaster feeds sometimes on pollen. 
Hydrotea ciliata (F.) V.R.P. and Batheaston (Blathwayt). 
dentipes (F.) Common. 
irrilans (F.) Very common. 
V.R.P. 
