242 



Homop- 

 tera 



BRITISH GALLS 



Erigeron cauadense Linn. Canadian Fleabane. 



Leaf margins thickened, discoloured, yellowish, be- 

 coming slightly rolled in a screw-like manner. Aphis 

 bright green, body pilose and slightly tufted with bristles. 



Aphis myosotidis Koch 804 



Houard, No. 5577. 



Filago Grermanica Linn. 96. Common Cudweed. 

 ,, Inflorescence distorted, leaves more downy than usual. 



Aphis yellowish-green with black antennae and eyes, and 

 plentifully covered with a white powder. 



Pemphigus filaginis Fonsc. 805 

 Buckton iii., 129, Hotiard, No. 5590. 



Inula crithmoides Linn. 19. Goldetf Samphire 

 Diptera Receptacle swollen, hard, without projections above. 

 Multilocular. M. G. Imago, August, September, I. 



MYOPITES INULAE Roser 806 



Houard, No. 5626. 



,, Receptacle swollen, hard, without projections above. 



Multilocular. M. G. Imago, August, September, I. 



Myopites frauenfeldi Schiner 807 

 Houard, No. 5625. 



Fnlicaria dysenterica Gray. 79. Fleabane. 

 „ Receptacle swollen, almost woody. Imago, spring, 11. 



Myopites inulae Roser 808 

 Houard, No. 5635. 



Receptacle swollen, almost woody. Imago, spring, II. 

 " Myopites frauenfeldi Schiner 809 



Houard, No. 5634. 



Achillea millefolium Linn. 112. Milfoil. 

 ,, Capitulum not ripening, there is no visible deformity 



or hypertrophy. 



Tephritis dioscurea H. Low 810 

 Houard, No. 5679. 



Spherical, fleshy, unilocular gall at the junction of root 

 and stem, about the size of a pea. Often gregarious. 

 Larva white. M. G. Imago, June and July. 



Oxyna flavipennis H. Low 811 



Syn. Tephritis flavipennis H. Low. 



Houard, No. 5682. 



