58 BRITISH OAK GALLS. 
from their galls so late in the spring that finding 
the leaves too much developed they oviposit in the 
buds of Lammas shoots, and in due course galls may 
be seen upon the leaves of these shoots as well as on 
leaves of the twigs from which the Lammas shoots 
spring. 
A few representative examples of galls on twigs and 
leaf-petioles in autumn—winter condition will be found 
on Plate VII, div. A, and a fine specimen of a re- 
curved twig, in growing condition, is illustrated on the 
same Plate, div. B. 
Parasites and inquilines on this species are very 
numerous. 
Parasites, Nos. 19, 21, 26, 31, 34, 35, 37, 42, 44, 56, 
59, 71, 75, 78, 80, 83, 87, 96, 98, 105, 108, 115, 116, 
121, 146, 151, 154. 
Inquilines, Nos. 69, 109, 127, 128, 180, 136, 139. 
Andricus gemmatus, Adler. 
(Plate V, div. E.) 
Andricus gemmatus, Cameron, Mosley. 
English name of gall.—‘‘ The Bud Gall.” 
Position of gall.—In the leaf axils. 
Manner of growth.—Glabrous, sessile, gregarious. 
Colours.—Pale green, green, reddish-brown, brown. 
AVERAgE dimensions of a mature specimen. — Height, 
2mm.; breadth, 1 mm.; girth, 3 mm. 
May be sought during the months of May and June. 
Growth is complete by the end of June. 
The typical condition of the gall is unilocular and unilarval. 
The larva pupates in the gall. The imago emerges during 
July and August. 
Alternate agamic generation: Aphilothria corticis, Linn. 
This is a very small and obscure gall, and although 
widely distributed it is not often observed. It is more 
or less oval in shape, sometimes narrower at the apex 
than at the base. The apex is frequently the only 
portion visible, and very careful searching is necessary 
