ig6 
BRITISH GALLS 
Homop- 
tera 
5 5 
Acari 
Hymen 
optera 
Diptera 
Homop- 
tera 
J > 
Ribes nigrum Linn. Black Currant. 
Leaves blistered. See No. 446. 
Rhopalosiphum ribis Koch 452 
Bd. Agric. Leaflet, No. 68 (revised 1908). 
Apical leaves blistered and deformed. See No. 447. 
Myzus ribis Linn. 447. 
Connold, Veg. Galls, pi. 106 ; Plant Galls, fig. 100. 453 
Houard, No. 2794. 
Buds hypertrophied. See No. 451. 
Eriophyes ribis Nalepa 454 
Connold, Veg. Galls, pi. 62; Plant Galls, fig. 99. 
Warburton and Embleton, 1902, pis. 33, 34. Houard, 
No. 2793. 
ROSACEAE 
Prunus spinosa Linn. 108. Blackthorn. 
Hard, globular, gregarious or coalescent growths on the 
subterranean roots. See No. 239. 
Biorrhiza aptera Bose. 455 
Connold, Plant Galls, pp. 54, 137, 245. 
Leaf thickened along a nerve, usually the midrib, form¬ 
ing a yellow or reddish glabrous pouch on the inferior 
surface, with a narrow elongated opening on the superior 
one. Larvae yellowish-orange. M. E. Imago, spring, II. 
PUTONIELLA MARSUPIALIS F. Low 456 
Syn. Cecidomyia pnini Kltb. 
Connold, Plant Galls, pp. 82, 245. Houard, No. 3295. 
Leaf margins crumpled and swollen. Aphis pale green, 
mottled with dark green, and having a black dorsal stripe ; 
cornicles small, black. 
Hyalopterus pruni Fabr. 457 
Buckton, ii., hi. Houard, No. 3289. 
Leaf margins crinkled and swollen. Aphis pale green 
with red eyes, and having one to three green stripes down 
the back. 
Phorodon humuli Schank 458 
Buckton, i., 167. Houard, No. 3292. 
Leaves distorted and swollen. Aphis yellowish-green 
with three greenish olive stripes, lower abdominal rings 
stained ochreous. 
Aphis padi Linn. 459 
Houard, No. 3290. 
