126 REPOKTS. 



Colletes Daviesana, 8m. Captured by Mr. F. V. Theobald at Cobo. 

 PsithyPUS eampestris, Panz. One specimen taken at the Grouffre by 

 Mr. F. V. Theobald. 



CYNIPID^. 



RllOdites spinosissimae, Giraud. Galls are formed by the larvae of this 



species on the wild rose {Rosa spinosissima, L.), growing on L'Ancresse 

 Common. 

 Diastrophus PUbi, Btg. The larva? form galls on the stems of the common 

 bramble. 



TENTHREDIN^. 



Nematus bellus, Lad. This species forms hairy pea-shaped galls, which 

 are firmly attached to the undersides of the leaves of sallow. 



ADDITIONS TO THE LIST OF THE DIPTERA OF 



GrUEENSEY. 



Clunio marinus, Halliday. Common, flying over rock pools, July 13th, 



1902, Saints Bay. Eock pools near Elizabeth Castle, Jersey, August 3rd. 

 Ceeidomyia marginem-torquens, Wtz. The larva? feed on the leaves of 



the common osier {Salix viminalis, L.), rolling up the margin of the leaf 



towards the mid -rib. 

 C. ptePidis, Mull Forms a gall on the common bracken fern (Pteris 



aquilina, Lin.), by causing the secondary pinna? to thicken slightly and 



form a torpedo or cigar shaped roll. 

 C. eratsegi, Wtz. Form galls on the common hawthorn, consisting of a 



tuft of leaves situated at the summit of an upright shoot growing out of 



the top of the hedge. 

 C. urtieae, Pen-is. This species causes irregular shaped galls on almost 



every part of the common nettle ( Urtiea dioica.) 

 C. salieis, Schrk. The larva? form galls on the twigs of Salix cinerea by 



feeding on the pith, and causing the woody cells which surround it to 



swell. 



W. A. Luff, Sec. Ent. Sect, 



