A LIST OF THE DIPTERA MET WITH IN WESTER ROSS 



89 



Loch Assynt, nth and 12th June 191 1 Lochinver, 23rd 

 June 191 1. 



329. Baccha obsatripennis, Mg., Loch Assynt, 17th June 191 1. 



330. B. elongata, F., Golspie (Verrall). 



33 t. Chamasyrphus scasvoides, Fall., The Mound, 4th and 8th 



August 1900. 

 332. Sphegtna clunipes, Fall., Golspie, nth June 1904. 

 333- Ascia podagrica, F., Loch Assynt, 2nd June 191 1; Tongue 



(Verrall). 



334. Brachyopa Mcolor, Fall., Golspie, 7th and 15th June 1904. 



335. Rhingia campestris, Mg., Golspie, common in June 1904. 



336. Volucella bombylans, L, Lochinver, July 1911, common; var. 



htzmorrhoidalis, Lochinver, 4th July 191 t, this variety was 

 decidedly uncommon. 



337. Eristalis aneus, Scop., The Mound, 24th August 1900. 



? Edinburgh Museum. 



338. E. intricarius, L., Lochinver, common ; Loch Assynt, common ; 



Syre, 28th May 1896; Golspie (Verrall). 



339. E. horticola, De G., Inveran (Verrall). 



340. E. ruptum, F., The Mound, 8th August 1900. 



341. E. tenax, L., Lochinver and Inchnadamph. 



342. Helophilus pendulus, L, Lochinver, 20th June 191 1. 



343. // lunulatus, Mg., Lochinver, 27th June and 9th July 79T1, 



uncommon; only met with in one locality. 



344. Xylota tarda, Mg., Golspie (Verrall). 



345. A', sy /varum, L., Golspie, 22nd June 1904. 



346. X. nemorum, F., Golspie. 



347. X. Jlorin/i, F.j Golspie, 1st and 2nd August 1900, and 7th 



June 1904; common round the stumps of felled Pirns, 

 sitting on the chips, etc. It is almost impossible to dis- 

 tinguish the females of X. tarda and X.florum apart, and the 

 only safe guide seems to be the different habitat of the two 

 species; X.florum affects Pine stumps, while X. tarda is 

 generally found round the stumps of Aspen and Alder. 



348. Chrysochlamys cuprea, Scop., Golspie, not uncommon in T900 



and 1904. 



349. Arctophila mussitans, F., Golspie, common. 



350. Sericomyia borcalis, Fall., Lochinver, 1st July 191 1; Golspie 



(Verrall). 

 35 r. S. lappona, L, Loch Assynt, 8th June 191 1; Golspie 



(Verrall). The commoner of these two species at Lochinver 



and Inchnadamph. 

 352. Chrysotoxum arcuatum, L, Golspie, 7th June 1904. 

 16 M 



