Preliminary Catalogue of British Cecidomyidae. 389 



Cyrtodiplosis Kieffer, 1912-2, p. 1. 



*251. C. crassinerva Kiett'er, 1901-2, p. 172 (Clinodiplosis) ; 

 1913-2, p. 144. 



On Stachys sylvatica. Houard, 4859. 



Durham, Birtley, Lamesley, Lambton and Fatfield. 



Monarthropalpus Riibsaamen, 1892, p. 381. 



252. M. buxi Geoffrey, 1764, p. 545 (Scatopse) ; Kieffer, 

 1913-2, p. 150. 



Yorkshire, Nunthorpe. 



Dichrona Riibsaamen, 1899, p. 542. 



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

 1913 2, p. 151. 



On Carex spp. 



Northumberland, Bamburgh, on C. distans. Durham, 

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

 on C. stricta. 



Arthrocnodax Riibsaamen, 1895-2, p. 189. 



254. A. fraxinella Meade, 1888, p. 77 (Diplosis) ; Kieffer^ 

 1913-2, p. 156. 



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



Phaenobremia Kieffer, 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 Kieffer, 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 Adelges strobilobius, Gibside ; larva 

 entirely red. 



