List of the Insect Fauna of the County. 121
ing the galls. I have added a few Essex localities, but these
must be taken as being very far from exhaustive ; when in-
creased attention is paid to these interesting productions the
limits of the distribution of the more uncommon forms will
doubtless be greatly extended.44
Synopsis of Species.
Part I. Botanical Arrangement.
Ranunculaceae.
Ranunculus repens, L.
Leaf. The palmate seg-
ments of the lower leaves
are rolled inwards from the
base, forming a thickened
and hard pseudo-gall. The
orange-red larvae pupate
within the gall. Ceci-
domyia Ranunculi, Bremi.

(Fig. 1).
Fig. 1. Cecidomyia Ranunculi.
Papaveraceae.
Papaver Rhoeas, L. Capsule. The seed-capsule is much
distorted, swollen and hardened. It contains many larvae
cells of the Cynipid, which pupates in the gall. Aulax
Rhoeadis, Hartig.
Cruciferae.
Barbarea vulgaris, Br. Flowers. In May the yellow
flowers become galled and do not open ; the anthers become
greatly swollen, and the whole bloom deformed. The yellow
larvae pupate within the gall. Cecidomyia Sisymbrii, Shrank.
44 [The issue of some projected instructions on the best methods of
breeding gall-flies, with hints for the study of the same, is postponed, in
order to avoid delay in the publication of this part of the 'ransactions,'
but Mr. Fitch has kindly promised to make these matters the subject of a
separate communication to the Club.—Ed.]
P