380 Messrs. R. S. Ba<riiall and .1. W. 11. Harrison's 



193. P. serotina Wiimeitz, 18.")3, p. 31G {Cecidonn/ia); 

 Kiefter, 1913-2, p. 81. 



On Hypericum spp. Swanton ; Houard. 



Northumberland, near Staward and Ovinghani, on 

 H. pulchrum; Warkvvorth, on H. htimifusinn. Durham, 

 near Lanchester and Winlaton Mill, on H. jmlchrum; 

 Gibside, on H. 'perjoraium and H. puJckrum ; Dinsdale and 

 Castle Eden, on H. hirsutum. Lancashire, Hanipsfell, 

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

 shire, Bardsey, near Leeds. 



*194. P. silvicola KiefEer, 19U9, p. 30 (gall ami larva); 

 1913-2, p. 81. 



On *SteUaria gmminea. 



Northumberland, between Langlev Woods and Whit- 

 field. 



On Stellar ia Holostea=^ Perrisia sp. Houard, 2311. 



Northumberland, Warkworth; Ovingham. Durham, 

 Gibside and. Easington. Yorkshire, Bardsey, near 

 Leeds. 



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

 Kiefter, 1913-2, p. 81. 



On Veroyiica spp. 



Northumberland, Warkworth, on T^ officinalis and 

 F. Chamaedrys. Durham, Gibside, on F. sculellata and 

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

 Castle Eden and Birtley, on V. Chamaedrys. 



196. P. sisymbrii Schranck, 1803. p. 83 {Tipnla) ; 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 Prunus. 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. torlrix. 



