380 Messrs. R. S. Bagnall and J. W. H. Harrison's 



193. P. serotina Winnertz, 1853, p. 316 {Cecidomyia); 

 Kieffer, 1913-2, p. 81. 



On Hypericum spp. Swanton ; Houard. 



Northumberland, near Staward and Ovingham, on 

 H. pulchrum; Warkworth, on H. kumifusiim. Durham, 

 near Lanchester and Winlaton Mill, on H. pulchnmi; 

 Gibside, on H. perforafion and H. pidchrinn ; Dinsdale and 

 Castle Eden, on H. hirsufum. Lancashire, Hampsfell, 

 Grange-over-Sands, on H. pulchnnii, very local. York- 

 shire, Bardsey, near Leeds. 



*194. P. silvicola Kieflter, 1909, p. 30 (gall and larva); 

 1913-2, p. 81. 



On *Stellaria graminea. 



Northumberland, between Langley Woods and Whit- 

 field. 



On Stellaria Holostea = Perrisiu sp. Houard, 2311. 



Northumberland, Warkworth; Ovingham. Durham, 

 Gibside and Easington. Yorkshire, Bardsey, near 

 Leeds. 



*195. P. similis F. Loew, 1888, p. 232 {Cecidomyia); 

 Kiett'er, 1913-2. p. 81. 



On Veronica spp. 



Northumberland, Warkworth, on V. officinalis and 

 F. Chamaedrys. Dltrham, Gibside, on F. scuteUata and 

 F. officinalis; Lanchester and Stanhope, on F. officinalis; 

 Castle Eden and Birtley, on F. Chamaedrys. 



196. P. sisymbrii Schranck, 1803, p. 83 {Tipala); Kieffer, 

 1913-2, p. 81. 



On various Crucifers. Swanton; Houard. 

 Durham, Swalwell, on Sisymbrium officinale. 



*197. ? P. sodalis F. Loew, 1877, p. 7 {Cecidomyia); 

 Kiefter, 1913-2, p. 81. 



On Prumis. P. torlrix and this species produce identical 

 galls, and it will be necessary to breed out specimens 

 before this can be definitely included in our list. See 

 records under P. lortrix. 



