NEW BRITISH CECIDOMYIID.E, 8. 61 



New British Cecidomyiidae. 3. 



By RICHARD S. BAGNALL, F.R.S.E., F.L.S., F.E.S., and J. W. 

 HESLOP HARRISON, D.Sc, F.H.S.E. 



{Continued from vol. xxxiii., p. 169.) 



The following is a list of species to which it has been impossible to 

 apply names. It will be followed by a further list of unnamed larvje. 



I, Inquilines of other galls. 



L'ecidoiiiyidanim sp. 



An inquiline on Anla.c liyporhoeridis with orange-red larvsie. 

 Durham, on coast just south of Seaham Harbour and not rare. 



Ceciduiinjidurum sp. 



Inquiline in galls of Macrolabis pilosellae ; larvpe deep red to 

 crimson. 



Kent, Penshurst, September, 1920. 



Cecidomijidariim sp. 



Inquiline deforming gall of P. uliiiariae : larvfB red. 

 Probably not uncommon and widely distributed. 



Cecidomiiidarnm sp. 



On Nettles. Inquiline of /'. nrticae galls ; larvse pale orange- 

 yellow. 



Durham, Gibside. 

 Northumberland, Hexham. 



Cecidoiiii/idanoti sp. 



Inquiline in galls of Penida rusiperda. 

 Northumberland, Corbridge, June, 1918. 



Cecidoniij id a riiDi s p. 



Inquiline in galls of Nenroterns fiunipennls ; larvae pale. 

 Durham, Gibside and near Birtley. 



Cecidoiin/idariim sp. 



Inquiline in galls of Bryuiihanta dn-'iaa ; larvae nondescript, or 

 pale whitish. 



Durham, near Birtley, September, 1920. 



Cecidaiiiyidandii sp. 



Inquiline in galls of Andricus Infiator ; larv;^ orange-yellow. 

 Durham, Fattield, June, 1918. 



Cecidoinyidaniiii sp. 



Inquiline in galls of Biorrhiza pallida ; larv;B flat and coccid-like,^ 

 orange. 



Durham, near Birtley, September. 192'). 



April 15th, 1922. 



