220 BRITISH GALLS 



FuJigt Stems and midribs swollen. See No. 633. 



Urocystis violae Sow. 638 

 Connold, Veg. Galls, p. 100 ; Plant Galls, fig. 304. 



Viola arvensis Murr. 112. Wild Pansy. 

 Diptera Ovary swollen, transformed into a gall. 



Lauxania aenea Meigen 639 

 Houard, No. 4296. 



,, Tufts of leaves at the extremity of the stem, with 



abnormal pilosity. Larvae gregarious, pale orange-red. 



Perrisia violae F. Low 640 

 Syn. Cecidomyia violae F. Low, Dasyneura violae 

 Kieflfer. 

 Houard, No. 4293. 



Diptera 



Homop- 

 tera 



Lepidop- 



tera 



Lepidop- 

 tera 



ONAGRACEAE 



Epilobiiun angnstifolium Linn. 96. Rose-bay Willow- 

 herb. 



B«ds swollen, ovoid not opening. Calyx slightly 

 modified, the other floral organs shortened^ the petals 

 deformed, brown. Larvae gregarious, colour of chamois 

 leather. M. E. 641 



Perrisia epilobii F. Low 642 



Houard, No. 4345. 



Margin of the leaf rolled upwards. 



Aphalara nebulosa Zett. 643 

 Scott, 1881, p. 275 ; 1882^, p. 42, 43. Houard, No. 4349. 



Epilobium hirsutum Linn. 96. Great Hairy Willow- 

 herb. 



Elongated swelling on the stem containing a white larva. 

 M. G. The white cocoon is left sticking out of the gall 

 after the moth has emerged. 



MOMPHA DECORELLA Stephenson 644 



Syn. Laverna decorella Ste. 



645 



Protuberances of irregular form on the side of the seed 

 capsule. Small, seldom more than three together. 



Connold, Plant Galls, fig. 325. 



Epilobium parviflonim Schreb. 103. Small flowered 

 Willow herb. 

 Swelling on the stem. See No. 644 and Plate VII. 6. 



MOMPHA DECORELLA Steph. 646 



Barrett, 1865, p. 197, Houard, No. 4334. 



