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 Bosa. Maldon. 



C. Salicis, Schrank. Gall on Saliv. Generally distributed, 



and common. 

 C. SiSYMBRii, Schrank. Gall on Barbarea, &c. Birdbrook, 



Romford. 

 C. Taxi, Inclibald. Gall on Taxus. Greensted, Maldon. 

 C. Trifolii, F. Low. Gall on Trifolium. Maldon. 

 C. Ulmari^, Bremi. Gall on Spircea. Steeple Bumpstead, 



Maldon, Rayleigh, Woodham AValter, Widford. 

 C. Urtic^, Ferris. Gall on Urtica. Very common. 



C. Veronica, Vallot. Gall on 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. PiMPiNELL^, F. Low. Gall on Pinipinella, &c. Maldon. 

 A. Sarothamni, H. Loew. Gall on Sarothamnus. Brentwood, 

 Epping Forest, Mountnessing. 



HoRMOMYiA, Loew. 



H. CAPRE^, 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. MUlefolii, 



var.). Gall on Tanacetum. Maldon. 



Lasioptera, Meigen. 



L. RuBi, Heeger. Gall on Biibiis. Birdbrook, Burnham, 

 Canewdon, Colchester, Maldon, Ongar, Rayleigh, Wid- 

 ford, Woodham, 



