Preliminary Catalogue of British Cecidomyidae. 369 



Yorkshire, Martoiij Cleveland district; Leeds district. 

 Also taken (at Warkworth) on Cerastium semidecandrum, 

 and in Cleveland on C. viscosum. 



127. P. (jaleobdoloni is Winnertz, 1853, p. 238 (Cecidomyia) ; 



kieffer, 1913-2, p. 76. 



On Lamium Galeobdolon. Swanton, 716; Houard, 4847. 



128. P. galii H. Loew, 1850, p. 37 {Cecidomyia) ; Kieffer, 



1913-2, p. 77. 



On Galium verum. Swanton, 747, 748; Houard, 5284, 

 5292. 



Northumberland, Seahouses, Bambui-gh, Warkworth, 

 Ovingham. Durham, Blackball Rocks; Hylton; Penshaw 

 Hill; near Cornforth. Lancashire, Birkdale, one only. 



On Galium uliginosum. Houard, 5268. 

 Durham, Waldridge Fell. 



*129. Perrisia sp. Schlechtendal, etc. 



On Galium verum. Houard, 5289. 



Durham, on one patch of bed-straw near Penshaw. 



130. P. galiicola F. Loew, 1880, p. 33; Kieffer, 1913-2, 



p. 77. 



On Galium spp. Swanton, 753 ; Houard, 5209, also 

 *5286 and *5275. 



Northumberland, Bamburgh, Warkworth. Durham, 

 coast near Hartlepool, Penshaw Hill and Catcleugh; rock 

 near Sunderland, on G. verum. Cumberland, Alston, on 

 G. verum. 



*131. P. genistamtorquens Kieffer, 1888-2, p. 311 {Ceci- 

 domyia) ; 1913-2, p. 77. 



On Genista tinctoria. Houard, 3371. 

 Durham, Gibside, rare. 



132. P. genisticola F. Loew, 1877, p. 4 {Cecidomyia) ; 

 Kieffer, 1913-2, p. 77. 



On Genista tinctoria. Swanton, 548, 549 ; Houard, 3368, 

 3369. It also occurs on G. anglica (Swanton, 547 ; Houard, 

 3349). 



Northumberland, Ovingham. Durham, Gibside. 



