14$ BRITISH GALLS 



Greenish-yellow tinted with red. JLarval cavity usually 

 axial. 



Cryptocampus venustus Zadd. icjg 

 Syn. Euuravenusia Zadd. 

 Houard, No. 697. 



Diptera Fusiform or spherical swellings on one-year twigs. See 

 No. 95. 



RHABDOPHAGA SALICIS Sch. 1 10 



MacDougall, Journ. Bd. Agric, Oct., 1905. Houard, 

 No. 696. 



Slight swelling on the stem. See No. 94. 



RHABDOPHAGA SALICIPERDA Duf. Ill 



MacDougall, Journ. Bd. Agric, Oct., 1905. Houard, 

 No. 695. 



Terminal leaves shortened and rosette-like. See No. loi. 



RHABDOPHAGA ROSARIA H. Low 112 



MacDougall, Journ. Bd. Agric, Oct., 1905. Houard, 

 No. 684. 



Salix purpurea Linn., var. Woolgariaua Borr. 

 Hymen- Spherical swelling on the lower side of the leaf. See 

 optera No. 106. 



PONTANIA SALICIS Christ. II3 



Connold, Plant Galls, fig. 319. Cameron, ii., p. 199. 



,, Bean-shaped swelling on the leaf. See No. 107. 



PONTANiA VESiCATOR Bremi 1 14 

 Connold, Plant Galls, fig. 320. 



Lepi- Fusiform swelling, 10 to 20 mm. long, 5 to 8 mm. in 



doptera diameter, on the older branches, not on the one year 

 shoots ; green, with a central elongated cavity containing 

 a caterpillar. M. G. (Text, Figs. 8, 9.) 



Grapholitha Servilleana Dup. 115 

 Syn. Hetfya servilleana Entom. Syn. List., Acrolita 

 servilleana Barrett. 

 Houard, No. 694. 



Salix purpurea Linn, x viminalis Linn. (5. rubra 

 Hudson). 36. .S'. Helix Linn. 

 Hymen- Leaf margin rolled inwards. See No. 103. 

 optera Pontania viminalis Hartig 116 



Syn. Nematus leucostigmus Cam. 

 Cameron, ii., p. 194. Houard, No. 716. 



Bean-shaped swelling on the leaf. See No. 107. 



Pontania vesicator Bremi 117 

 Connold, Plant Galls, p. 237. Houard, No. 717. 



