Prelim huir ji (Uitdhxiue of British Cecidomyidae. 389 



Cyrtodiplosis Kiefter, 1912-2, p. 1. 



*251. C. crassinerva Kieffer. 1901-2, p. 172 {Clinodijjlosis); 

 1913 2, p. 144. 



On Sluchijs sylmiica. Hoiiard, 4859. 



Durham, Birtley, Lamesley, Lambtoii and Fatfield. 



Monarthropalpus Rlibsaamen, 1892, p. 381. 



252. M. buxi (Jeott'rey, 17G4. p. 545 {Scafopse); Kieffer, 

 1913-2, p. 150. 



Yorkshire, Nunthorpe. 



Dichrona Rlibsaamen, 1899, p. 542. 



*253. D. gallarum Rlibsaamen, 1899, p. 542 ; Kieffer, 

 1913 2, p. 151. 



On Carex spp. 



Northumberland, Bamburgh, on C. dislans. Durham, 

 Waldridge, on C. flava. Cheshire, Bidston Hill, several, 

 on C. stricta. 



Arthrocnodax Rlibsaamen, 1895-2, p. 189. 



254. A.fraximlla Meade. 1888, p. 77 [Dlplosis); Kieffer> 

 1913-2, p. 156. 



In galls of the Eriophyid, E. fnuini, on Ash. 



Phaenobremia Kiefter, 1912-2, p. 1. 



*255. Phaenobremia sp. Bagnall and Harrison, 1917-2, p. 

 208. 



Durham, West Cornforth, larvae feeding on Aphis mali 

 on apple. 



Aphidoletes Kieffer, 1904-2, p. 385. 



*256. A. abietis Kiefter, 1896-2, p. 382 {Bremia) ; 1913-2, 

 p. 164. 



Durham, in galls of Adelges abietis, Gibside. 



*257. Aphidoletes sp. Bagnall and Harrison, 1917-3, p. 229. 



Durham, in galls of Adelyes strobilohius, Gibside ; larva 

 entirely red. 



