is»oi.] 5 



TWO SAW-FLIES NEW TO BRITAIN. 

 BY THE REV. F. D. MOKICE, M.A., F.E.S. 



Of the genus Tomostethus separated by Konow from Blennocampn, 

 auctt., we have, according to Cameron (Mon. iv, p. 177), five British 

 species. To these I can add two more — one taken by the Rev. A. 

 Thornley (June, 1898) near Lincoln, the other by Mr. Alfred Beau- 

 mont (August, 1900) at Appledore in Kent. 



Mr. Thorley's capture is T. gagathinus, Klg.,cf , Mr. Beaumont's 

 is T. funereus^ Klg-, also a (^ . Both species are recorded in Konow's 

 Catalogue from " Germania, Gallia, and Suecia." 



The chief distinguishing character of Tomostethus is the definition 

 of the apical part of the mesosternum {prcBsterna) by a distinct im- 

 pressed suture. Some of the species in it have a closed discoidal cell 

 in the inferior wing, others none. Both the present species belong 

 to the former of these groups, and are very nearly allied to each 

 other. Their descriptions will be found on the same page (213) of 

 " Hymenoptera Scandinavise," where 14, B. gagathina, follows 13, B. 

 funerea. 



Both are black and shining, with dusky wings and yellow tibia?. Funereun has 

 the femora and tarei also yellow, only its coxse and trochanters being black. In 

 gagathinus the apices of the femora are yellow, but their bases black ; and the tarsi 

 are fuscous. Gagathinus has also shorter and heavier looking antennse ; and its 

 tempora are margined below, which is not the case in funeretis. (This last is a 

 difficult character to see, but an important one for separating species in the JBlenno- 

 campidce). 



Thomson further distinguishes gagathinun by its " almost interstitial " trans- 

 verse marginal nervure. It might be called so in the specimen before me, but I 

 must own I see very liitle difference as to the position of this nervure in the two 

 species. 



Both insects have a well marked " horny spot " in the second cubital cell, so 

 that neither of them can be identified with the species which Mr. Cameron formerly 

 called micans, but now hrachycera. (That species is known to me only in his 

 description). 



Woking : December, 1900. 



ACULEATE HYMENOPTERA IN DUMBARTONSHIRE. 

 BY J. R. MALLOCn. 



During the last two seasons I have been collecting Hi/jnenoptera 

 Aculeata in the Bonhill district, with the purpose of forming a list to 

 be published next year in the Handbook that is to be issued to mark 

 tTie Brit. Assoc. Meeting in Glasgow. Mr. Dalglish, of Glasgow, has 



