152 The Galls of Essex; a Contribution to a
A. collaris, Hart. Gall on Quercus. Maldon, Rayleigh.
A. curvator, Hart. Gall on Quercus. Common.
A. autumnalis, L. Gall on Quercus. Maldon, Rayleigh.
A. ramuli, L. Gall on Quercus. Generally distributed, but
 not common.
A. callidoma, Gir. Gall on Quercus. Maldon, Rayleigh.
A. solitarius, Fonsc. Gall on Quercus. Maldon.
A. quadrilineatus, Hart. Gall on Quercus. Loughtou,
Maldon, Rayleigh, Woodford.
A. albopunctatus, Schlecht. Gall on Quercus. Maldon,
Rayleigh.
A. ostreus, Gir. Gall on Quercus. Generally distributed,
but not common.
Cynips, Linne.
C. Kollari, Hart. Gall on Quercus. Very common.
Trigonaspis, Hartig.
T. megaptera, Panz. Gall on Quercus. Epping Forest,
Mundon, Woodham.
T. renum, Gir. Gall on Quercus. Birdbrook, Burnham,
 Cricksea, Danbury, Maldon, Rayleigh, Widford.
Biorhiza, Westwood.
B. terminalis, Fabr. Gall on Quercus. Very common.
B. 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.
N. baccarum, L. Gall on Quercus, Very common.