3G2 Messrs. R. S. Ikgiiall aiul .1. W. II. IlaiTlsoirs 



on <S. rcpcns, rare. Lancashire, Freshtield, on /S. cinerea, 

 rare. Also recorded by Mr. liurkill (on S. alba) from 

 Derbyshire. 



80. R. marginemtorquens Wiunertz, 1853, p. 223 {Cecido- 

 »ii/ia); Kiellor. 1913-2, p. 70. 



On Salix spp. Houard, S. 51, Perrisia luarginemtorquens. 

 CJonorally distributed; records from all counties except- 

 ing AVestniorelaiul and Cheshire. 



*81. R. nervorum Kieffer {nodali Rubs.), 1895-2 {DirJie- 

 lonij/ui): 1913-2, p. 71. 



On Salix spp. Houard, S. 49. 



Dl'RHA^r. River Wear near Cox Green, on S. alba. Gibside 

 on >S. aurila, and Ryhope on S. fragilis, rare. Lancashire, 

 Ainsdale and Freshfield, local, on young S. alba. North- 

 umberland, Ovingham and AVark\V(uth, on <S. cinerea, 

 S. alba and the var. vileUina. Yorkshire. Nunthorpe on 

 S. inteUina, also see Burkill. 1916, '' Entomologist," p. 7, 

 on S. Caprea. Also recorded by Mr. Hurkill from Derby- 

 shire on ^Sl. alba and <S. cinerea, and from Surrey on /S. 

 Caprea. 



*82. R. pierrei Kieffer, 1896-2. p. 218 {Bcrlieria): 1913-2, 

 p. 71. 



On Salix repens and <S. cinerea. rare. Houard, S. 37. 

 NoRTHUMBERL.VNn, near AVarkworth. Durham. Birtley, 

 rare. 



*82a. R. pseudococcus. Riibsaamen 1890-2, p. 307 {Ceci- 

 <hvni/i<i): Kieffer 1913-2, p. 71. 



Flat, broad larva under a scale-like covering on under- 

 side of leaves of Salix Caprea, gregarious. 



Durham. Plentiful on isolated trees in Ryhope Dene 

 and Hesleden Dene. 



*82b. R. pulvini Kieflter {salicina Giraud. non Schrank; 

 khuji ? H. Loew non Meigen) 1891, p. 244 {Ceei- 

 domyia); 1913-2, p. 71. 



On Salix aurita and S. ritellina. Houard, S. 19. 

 Northumberland, Ovinnham. 



