152 The Galls of Essea- ; a Contribution to a 



(A. coLLARis, Hart. Gall on Qiwrcus. Maldou, Kayleigh. 

 (a. curvator, Hart. Gall on Qiiercus. Common. 

 A. AUTUMNALis, L. Gall on Qiiercm. Maldon, Eayleigli. 

 A. RAMULi, L. Gall on Quercus. Generally distributed, but 



not common. 

 A. cALLrooMA, Gir. Gall on Quercus. Maldon, Rayleigh. 

 A. soLiTARius, Fonsc. Gall on Quercus. Maldon. 

 A. QUADRiLiNEATUs, Hart. Gall on Quercus. Loughton, 



Maldon, Rayleigh, Woodford. 

 A. ALBOPUNCTATUs, Schlecht. Gall on Quercus. Maldon, 



Rayleigh. 

 A. osTREus, Gir. Gall on Quercus. Generally distributed, 



but not common. 



Cynips, Linne. 

 0. KoLLARi, Hart. Gall on Quercus. Very common. 



Trigonaspis, Hartig. 



T. MEGAPTERA, Pauz. Gall on Quercus. Epping Forest, 



Mundon, Woodham. 

 T. RENUM, Gir. Gall on Quercus. Birdbrook, Burnham, 



Cricksea, Danbury, Maldon, Rayleigh, Widford. 



BioRHizA, AVestwood. 



jB. TERMiNALis, Fabr. Gall on Quercus. Very common. 

 iB. APTERA, Fabr. Gall on Quercus. Maldon, Rayleigh. 



Dryophanta, Forster. 

 D. FOLii, L. [scutellaris, Oliv.). Gall on Quercus. Generally 



distributed, but not common. 

 D. DivisA, Hart. Gall on Quercus. Generally distributed, 



and common. 

 D. AGAMA, Hart. Gall on Quercus. Hockley, Maldon. 



Neuroterus, Hartig. 



(N. lenticularis, Oliv. Gall on Quercus. Very common. 

 iN. BACCARUM, L. Gall on Quercus, Very common, 



