2^ MOSLEY : ON YORKSHIRE DIPTERA IN 1S77. 



about ragwort and dandelion flowers, standing on poised wings 

 within a few inches, then darting off upon the least footstep. This 

 and the following two species I have taken commonly in this way: 

 Huddersfield. 



Syrphus luniger, Mg. Huddersfield. 



S. arcuatus, Fhi. Huddersfield. 



S. bifasciatus, F. Wharncliffe. 



S. balteatus, Beg. Almondbury Bank, Huddersfield. 



Melanostoma mellina, Z. Common about dandelion and 

 other flowers : Huddersfield. 



Platychirus clypeatus, Mg. Common about dandelion 

 and other flowers : Huddersfield. 



Syritta pipiens, L. There is only one species in this 

 genus and that common at Huddersfield. 



Eristalis tenax, L.=^viilpinus, Meig. 

 Very common: Huddersfield. 



E. arbustorum, L.=fossamm, Wik. 

 Common : Huddersfield. 



Helophilus pendulus, L.=simiHs, Curt. 

 A very pretty insect. Not rare : Huddersfield. 



H. floreuSj Z. Not uncommon : Huddersfield. 



Mesembrina meridiana. A few at Storthes Hall, near 

 Huddersfield. 



Leptis SCOlopacea. Common: Huddersfield. 

 Dolichopus aeneus. Common: Huddersfield. 

 Ocydromia glabricula. Huddersfield. 

 Empis livida. Huddersfield. ^ 



Sargus cuprarius. Huddersfield. 

 Chrysomyia formosa. Huddersfield. 

 Scatophaga stercoraria. Abundant : Huddersfield. 

 Tipula oleracea. Very common: Huddersfield. 



Trans.Y.N.U.,1877. Series D 



