202 



BRITISH GALLS 



Foterinm Sangnisorba Linn. 74. Lesser Bumet. 

 Acari All the green parts of the plant and the inflorescence 



deformed, and covered with a felt of long yellowish or 

 white variously contorted hairs. 



Eriophyes sanguisorbae Can. 496 

 Syn. Phytoptus sanguisorbae Can. 

 Connold, Veg. Galls, pi. 64; Plant Galls, fig. 81. 

 Houard, No. 3103. 



Rosa spinosissima Linn. 94. Bumet-leaved Rose. 

 Hymen- Ovoid or reniform swellings on the stems, leaves, 

 optera petioles, and flower buds, covered with minute spines and 

 tinted green, purple, or bright red. Often conglomerated, 

 and then attaining considerable dimensions ; sometimes 497 

 fusiform or flattened. Each cell contains a single larva. 498 

 Rhodites spinosissimae Giraud 499 

 Connold, Veg. Galls, pi. 42 ; Plant Galls, fig. 259. 499a 

 Houard, Mo. 3239. 



Diptera 



Glabrous rounded swelling about the size of a pea, 

 attached by a minute stalk to the upper surface of the 

 leaflet, occasionally to a stem or a sepal. It is both 

 solitary and gregarious. Tinted yellowish-green, brown, 

 or red. 



Rhodites eglanteriae Hartig 500 



Houard, No. 3238. 



Bosa mollis Sm. (/?. villosa Linn.). 71. 

 Pea-!ike sweUing on the leaf See No. 500. 



Rhodites eglanteriae Hartig 501 

 Trail. 1878. Houard, No. 3138. 



On the inflorescence, stems (at the place of a bud) and 

 leaves. A mass of small, rounded, very hard galls, each 

 containing a larva, the whole covered with a shaggy mass 

 of long pinnatifid hairs of a clear green colour, or more or 

 less tinted with red. Dimensions variable. Autumnal. 



Rhodites rosae Linn. 502 

 Trail, 1878. Houard, No. 3136. Iotm 



502* 



Leaflets folded upwards, the margins meeting and form- 

 ing a pod, which is often tinted red or brown. Each pod 

 contains numerous yellowish-red larvae. M. F. 



Perrisia rosarum Hardy 503 



Syn. DasyneurA rosarum Hardy ; Cecidomyia rosarum 

 Hardy. 



Hardy, 1850, p. 186. Houard, No. 3135. 



