Preliminary Catalogue of Brilish Cecidomyidae. 381 



198. P. stachydis Rremi, 1847, p. 55 {Cccidonn/ia); Kieffer, 

 191:3-2, p. 81. 



On Sfachys sylvatica and *2)ah(slris. Swanton, 711-714; 

 Houard. 48G0-G-2. 



Records from all counties excepting Westmoreland. 



*199. Perrisia sp. Burkill, 1916. 



On St achy s palnstris ; buds galled by white larvae. 

 Recorded by Mr. Burkill from Derbyshire. 



*200. P. strobi Winnertz. 1853, p. 234 {Cecidomyia); 

 Kieffer, 1913-2, p. 81. 



In cones of Picea excelsa. 



Northumberland, near Corbridge. Mr. Evans records 

 this species from Perthshire (" Ent. M. Mag.," 1909, p. 17). 



*2()1. P. tetensi Rubsaamen, 1892, p. 400 {Cecidom.yia); 

 Kieffer, 1913-2, p. 82. 



On leaves of Rihes spp. 



Durham, Gibside, on R. Grossularia; Birtley, on R. nigra. 



*202. P. tetrahit Kieft'er, 1909, p. 8 (gall and larva) ; 1913-2, 

 p. 82. 



In Galeopsis Tetrahit flowers, = Perrisia sp. Houard, 

 4831. 



Lancashire, near Lathom. 



*2()3. P. thomasiana Kieffer, 1888-1, p. 95 {Cecidomyia); 

 1913-2, p. 82. 



On Tilia vulgaris and platyphyllos. Houard, 4124, 4155. 



Northumberland, Ovingham, Warkworth. Durham, 

 several records. Cumberland, Keswick and Alston. 

 Lancashire, Grange-over-Sands. Yorkshire, Gunner- 

 gate. Also from Scotland. 



*204. Perrisia sp. Bagnall and Harrison, 1917 (v), p. 14. 



On Tilia, like P. thomasiana, but larva milk-white. 



Northumberland, Plessey. Durham, near Chester-le- 

 Street; Stanhope. 

 trans, ent, soc. lond. 1917. — ^parts II, in, iv. (may '18) cc 



