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



*138. P. hygrophila Mik, 1883, p. 209 (Cecidomyia) ; 

 Kietter, 1913 2, p. 77. 



On Galium palusfre. Hoiiard, 5278. 



Northumberland, Ninebanks. Durham, near Gibside, 

 Low Fell and Waldridge. Lancashire, not uncommon, 

 Freshfield, Ainsdale and Lathom. Yorkshire, Nunthorpe ; 

 Bardsey near Leeds ; also recorded by Mr. Biirkill. Mr. 

 Burkill also records this species from Derbyshire, Stafford- 

 shire and Surrey. 



139. Perrisia sp. Trail, 1878. 



On Gdlivm palustre. Swanton, 758; Houard, 5277. 



140. P. hyperici Bremi, 1847, p. 53 {Cecidomijia) ; KiefEer, 



1913-2, p. 77. 



On Hypericum spp. Swanton and Houard. Recent 

 records from H. perforafum,, H. pulckrum, H. humifusum 

 and * H. montanum. 



Records from all counties excepting Cheshire and York- 

 shire. 



*141. Perrisia sp. Burkill, 1916. 



On Hypericum elodes. Terminal leaves thickened at the 

 base, folded over and crinkled, turning brown at the tips. 

 Larvae yellow, several in each gall. 



Yorkshire, Mr. Burkill's record. 



142. P. ifjnorala Wachtl {medicaginis Bremi, gall; ono- 

 hrychidis F. Loew non Bremi), 1884, p. 163 

 {Cecidomijia) ; Kiefter, 1913-2, p. 77. 



On Medicago saliva. Swanton, 561; Houard, 3515. 



J 43. P. inchbaldiana Mik (? clausilia Bremi), 1886, p. 317 

 {Cecidomyia) ; Kieffer, 1913-2, p. 77. 



On Salix alba. Houard, S. 52; Swanton, 98; Houard, 

 627. 



Records from all counties. 



144. P. inclusa Frauenfeld, 1862. p. 1175 {Cecidomyia); 

 Kietter, 1913-2, p. 78. 



On Phragmiles communis. Swanton, 50 ; Houard, 245. 

 Durham, Billingham. 



