DIPTERA SCOTICA : IV. ORKNEY AND SHETLAND 23 



which most of the previous records are repeated ; (3) a note 

 by C. W. Dale, in the " Ent. Mo. Mag." (2) vol. iv. (1893) p. 

 93, on "Shetland Diptera " ; (4) a short note by the Rev. 

 E. N. Bloomfield, in the same journal (1904, p. 88), on 

 " Diptera from the Shetlands and Orkneys," collected by the 

 Rev. F. D. Morice ; and (5) a reference to a species of 

 "Cecidomyia" by Prof. J. W. Trail in the "Scottish 

 Naturalist," New Series, vol. iii. (1887-88) pp. 309-328. 



In the following list all previous records are, for the sake 

 of brevity, referred to under the numbers given in the pre- 

 ceding paragraph, while it is to be understood that all those 

 without such reference were collected by Dr. Reuter, and for 

 the identification of which I alone am responsible. 



I. ORKNEY. 



Family CECIDOMYIID^. 



1. DASYNEURA URTIC.E, Ferris. \Ceddomyia\ Orkney, Trail, 5. 



Family MYCETOPHILID^. 



2. MACROCERA VITTATA, ' Mg. One, Kirkwall, 5th July. 



Family SIMULIID^. 



3. SIMULIUM NANUM, Ztt. i $, , Ophir, iyth July. 



Family CHIRONOMID^E. 



4. TANYPUS NEBULOSUS, Mg. One, Kirkwall, 2oth July. 



Family TIPULID^. 



5. TIPULA OLERACEA, L. i $ , Kirkwall, 1 4th July. 



Family STRATIOMYID^E. 



6. CHLOROMYIA FORMOSA, Scop. i <j> , Orkney. 



7. MICROCHRYSA CYANEivENTRis, Ztt. i $ , Orkney. 



Family TABANID^E. 



8. HAEMATOPOTA PLUVIALIS. L. i $, Kirkwall, i5th July; i 



9, Stromness, 2ist July. 



Family LEPTID^E. 



9. CHRYSOPILUS AURATUS, Fab. 2 $ 9, Kirkwall, i5th July; 



4 $ $ and i $ , Orkney. 



