NEW BRITISH CECIDOMYIDAE. 2. 167 



Contarinia chrysanthemi, K. 



On Chrysanthemum leiicanthemuui, flower remaining closed, some- 

 what enlarged. 



Devon, rare, Babbaeombe, October, 1918. 



Contarinia cocciferae, Tavares. 



On Quercus ilex, yellow larvae causing a gall rather like that of 

 Andricus feamdator. 



Devon, Sidmouth, September, 1920. 



Contarinia frangulae, Rubs. 



On Rhamnus frangula, flowers closed, somewhat strongly hyper- 

 trophied, larvae yellow. 



Surrey, Hindhead, June, 1920. 



Contarinia floriperda, Rubs. 



On Pyrus aucuparia and P. aria, flower remaining closed. 

 Everywhere on P. ancuparia in the hilly districts, but on flowers 

 of P. aria only in Middlesbrough Park, Yorkshire. 



Contarinia medicaginis, K. 



Doubtfully recorded in B and H. 281, and now verified. 

 Devon, Sidmouth, September, 1920, on Medicago arabica. 



Contarinia marchali, K. 



On seeds of Fraxinns excelsior, very rare. 



Durham, between Lamesley and Birtley, June, 1918. 



Contarinia pilosellae, K. 



Non-leaping creamy larvae in flower-heads of Hieracium pilosella. 

 Kent, Penshurst, September, 1920. 



Contarinia pulchripes, K. 



= B. and H. 5 in part. 



Northumberland and Durham. Widespread in Tynedale and on 

 the Derwent. 



Contarinia mollvginis, K. 



On Galium mollugo and Galium verum. 

 Durham, on the coast. 

 Devon, Torquay, Sidmouth. 



Loewiola serratnlae, K. 



On Serratula tinctoria with a gall analogous to that of L. centaureae. 

 Devon, Torquay, once only, October, 1918. 



Clinodiplosis biorrhizae, K. 

 On galls of Teras terminalis on oak, larvae reddish-grey to red. 



