384 



PLANT GALLS FROM THE BRIDLINGTON DISTRICT. 



WM. FALCONER, 

 Slaithwaite, Huddersfield. 



The following plant galls were observed during the first week 

 of September last, without any special or lengthy search being 

 made for them : — 



Lepidopteron. 

 Tortrix palaena Herbst. Old galls noted from south of 

 Bridlington to Danes' Dyke along the cliffs. 



Hymenoptera. 

 Pontania proxima Lep. Bempton. 

 Aulax papaveris Perr. On coast below the town. 



DiPTERA. 



Perrisia acrophila Winn. Danes' Dyke — rare. 



P. fraxini Kief. Danes' Dyke, plentiful. 



P. crataegi Winn. Danes' Dyke and Bempton. 



P. gain H. Low. Sandhills south of Bridlington, on both 

 stems and floral stalks, plentiful. 



P. — ? sp. On Galium veritin Linn. Terminal leaves 

 massed into an ovoid gall, some of them purple at base. Lar- 

 vae 5-6, pale yellow in the central cavity ; plentiful at the 

 same place as the last. 



P. marginem-torqiiens Winn, on Salix viminalis in a garden, 

 Bridlington. 



P. plicatrix H. Low. Danes' Dyke, scarce. 



P. urticae Perr. Common and general. 



jP. lathyri Kief. Bempton, on one plant. 



Mikiola fagi Htg. Danes' Dyke. 



Urophora solsiitialis Linn. Danes' Dyke and Sewerby, 

 plentiful. 



Contarinia steinii Karsch, cliffs between Sewerby and 

 Danes' Dyke. 



Phorbia seneciella Meade, south of Bridlington, abundant. 



Rhopalomyia millefolii H. Low, as the last. 



HOMOPTERA. 



Psyllopsus fraxini Linn. Danes' Dyke, abundant. 

 Phyllaphis fagi Linn., as the last. 

 Aphis padi Linn., on blackthorn, Bempton. 

 Rhopalosiphum ribis Linn. In a garden, Bridlington. 



ACARI. 



Eriophyes brevitarsus Fck. Bempton. 

 E. nalepai Fck. Danes' Dyke, plentiful. 

 E. goniothorax Nal. As the last. 



Fungus. 

 Protoniyc.es pachydermus Thiim. By roadside at Bempton 

 village. 



Naturalict, 



