376 Messrs. R. S. Bagiiall and J. W. H. Harrison's 



*165. Perrisia sp. Bagnall and Harrison, 1917 (v), p. 14. 



In a garden HeJimithus; gregarions larvae in heads, 

 golden-yellow-orange to orange-red. 

 Durham, Fatfield. 



166. P. muricatae Meade {caricis H. Loew), 1886, p. 153 

 {Cecidomyia) ; KiefEer, 1913-2, p. 79. 



In utricle of Carex vidpina, C. contigua, *C. pendula, 

 C. laevigata, C. sylvatica and C. pallescens. Swanton, 69, 

 70; Houard, 361, 362. 



Northumberland, Warkworth, on C. pendula. Dur- 

 ham, Gibside, on C. pendula, C. sylvatica and C. paUescens ; 

 Waldridge, on C. laevigata ; Billingham. Lancashire, near 

 Grange-over-Sands, on C vulpina. 



*167. P. nervicola Kieffer, 1909, p. 9 (gall) ; 1913-2, p. 79. 



On Hiemcluui Pilosella, = Cecidomyid sp. Houard, 6205. 

 Durham, very local, Birtley Fell, Roker. Yorkshire, 

 Huddersfield district (W. Falconer). 



168. P. onobn/rhidis (giraudi Frauenf.) Bremi, 1847, p. 53 



(Cecidomyia) ;' Kiefter, 1913-2, p. 79. 



On Astragalus danicus. Swanton, 585 ; Houard, 3646. 

 . Probably P. glyciphylli. 



*168a. p. panteli Kieffer, 1909, p. 21 (gall); 1913-2, p. 79. 



On Oak. Houard (Cecidomyid), 1315. 

 Northumberland, Ovingham, 1 only (H. S. Wallace). 

 Yorkshire, Leeds, plentiful on one old tree. 



169. P. papaveris Winnertz, 1853, p. 229 {Cecidomyia) ; 



Kieiler, 1913-2, p. 79. 



In capsules of Pajjaver Rhoeas. Swanton, 377 ; Houard, 

 2479. 



Durham, an isolated record, in field near Hylton. 



*170. P. periclymeni Rubsaamen, 1889-2, p. 54 {Cecido- 

 myia) ; Kieffer, 1913-2, p. 79. 



On Lonicera Periclymenum. Houard, 5361. 



Northumberland, Warkworth; Ovingham. Durham, 

 Gibside (Barry Stewart and R. S. B.), Waldridge; Urpeth; 

 Winlaton; Fencehouses and Easington. Cheshire, 

 Bidston Hill. Yorkshire, Bardsey, near Leeds. 



