ROSACEAE 
199 
Diptera 
Hymen- 
optera 
Diptera 
5 > 
Homop- 
tera 
Each gall is inhabited by a yellowish larva. June to 
September. M. G. (Text, Fig. 12.) 
Perrisia ulmariae Brenn 475 
Syn. Dasyneura ulmariae Bremi, Cecidomyia ubnariae 
Bremi. 
Connold, Veg. Galls, pi. 89; Plant Galls, fig. 158. 
Houard, No. 2839. 
Spiraea Filipendula Linn. 65. Dropwort. 
Solitary or conglomerated swellings, each forming a 
hollow truncated cone, in the axils of the leaves, or on 
the leaf itself, green at first, becoming reddish or purple. 
The gall is hemispherical on the inferior surface of the 
leaf, and cylindrical on the superior one, with the opening 
at the apex of the cone. Each gall contains a yellowish- 
white larva. M. G. (Text, Fig. 10.) 
Perrisia ulmariae Bremi 476 
Connold, Plant Galls, fig. 103. Houard, No. 2830. 
Rubus idaeus Linn. in. Raspberry. 
Large elongated swelling on the stem, which is fre¬ 
quently greatly curved. Surface mammillated, each pro¬ 
jection denoting the position of an ovoid or circular larval 
chamber. Reddish or purple when growing, brown at 
maturity. M. G. 
Diastrophus rubi Hartig 477 
Connold, Plant Galls, p. 85. Houard, No. 2963. 
Slightly elongated, but pronounced swelling on the 
stem ; surface rough, bark cracked and fissured longi¬ 
tudinally, reddish-brown. The irregular cavities within 
contain white larvae. M. G. 
Lasioptera rubi Heeger 478 
Houard, No. 2964. 
Leaves distorted, midrib swollen and bent. Larvae 
white, gregarious. M. E. Spring, II. 
Perrisia plicatrix H. Low 479 
Houard, No. 2966. 
Leaf margins greatly twisted and involute, often to the 
midrib. Leaf usually discoloured and slightly thickened. 
Aphis large, shining green, slightly pilose, cornicles 
curved and slightly thickened at the base. May and June. 
Nectarosiphum rubi Kalt. 480 
Syn. Siphonophora rubi Kalt. 
Buckton, i., 140. Houard, No. 2968, 
