154 The Galls of Essex; a Contribution to a
C. Ranunculi, Bremi. Gall on Ranunculus. Maldon.
C. Rosaria, H. Loew. Gall on Salix. Common.
C. Rosarum, Hardy. Gall on Rosa. Maldon.
C. Salicis, Schrank. Gall on Salix. Generally distributed,
and common.
C. Sisymbrii, Schrank. Gall on Barbarea, &c. Birdbrook,
Romford.
C. Taxi, Inchbald. Gall on Taxus. Greensted, Maldon.
C. Tripolii, F. Low. Gall on Trifolium. Maldon.
C. Ulmarae, Bremi. Gall on Spiraea. Steeple Bumpstead,
Maldon, Rayleigh, Woodham Walter, Widford.
C. Urticae, Perris. Gall on Urtica. Very common.
C. Veronicae, Vallot. Gall ou Veronica. Birdbrook, Danbury,
Loughton, Maldon.
Diplosis, Loew.
D. botularia, Wtz. Gall on Fraxinus. Birdbrook, Maldon.
D. Buxi, Lab. Gall on Buxus. Birdbrook.
D. Loti, DeGeer. Gall on Lotus, &c. Epping Forest, Maldon.
Asphondylia, Loew.
A. Pimpinellae, F. Low. Gall on Pimpinella, &c. Maldon.
A. Sarothamni, H. Loew. Gall on Sarothamnus. Brentwood,
Epping Forest, Mountnessing.
Hormomyia, Loew.
H. capreae, Wtz. Gall on Salix. Maldon, Rayleigh.
H. Corni, Gir. Gall on Cornus. Helions Bumpstead.
H. Fagi, Hart. Gall on Fagus. South Benfleet.
H. Millefolii, H. Loew. Gall on Achillea. Maldon.
H. piligera, H. Loew. Gall on Fagus. Danbury, Epping
Forest.
Oligotrophus Tanaceticolus, Karsch (possibly H. Millefolii,
var.). Gall on Tanacetum. Maldon.
Lasioptera, Meigen.
L. Rubi, Heeger. Gall on Rubus. Birdbrook, Burnham,
Canewdon, Colchester, Maldon, Ongar, Rayleigh, Wid-
ford, Woodham.