Preliminary Catalogue of British Cecidomyidae. 381 



198. P. stachydis Bremi, 1847, p. 55 (Cecidomyia) ; Kieffer, 

 1913-2, p. 81. 



On Stachys sylvatica and *pah(sfris. Swanton, 711-714; 

 Houard, 4860-62. 



Records from all counties excepting Westmoreland. 



*199. Perrisia sp. Burkill, 1916. 



On Stachys palusfris ; buds galled by white larvae. 

 Recorded by Mr. Burkill from Derbyshire. 



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

 Kieft'er, 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). 



*201. P. tetensi Riibsaamen, 1892, p. 400 {Cecidomyia)', 

 Kiefter, 1913-2, p. 82. 



On leaves of Ribes spp. 



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



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

 p. 82. 



In Galeopsis Tetrahit flowers, = Perrisia sp. Houard, 

 4831. 



Lancashire, near Lathom. 



*203. P, thomasiana Kieft'er, 1888-1, p. 95 {Cecidomyia); 

 1913-2, p. 82. 



On Tilia vidgaris 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, III, IV. (mAY '18) CO 



