148 TRANSACTIONS, NATURAL HISTORY SOCIETY OF GLASGOW. 



The Diptera of Clyde, being a List of Species of the 

 Families Platypezidae, Pipuneulidse, Syrphidae, and 

 Conopidse, not recorded in Mr. P. H. Grimshaw's 

 List (Fauna and Flora, &c., of Clyde, 1901), and 

 of additional localities for most of the Uncommon 

 Species there recorded. 



By Robert Henderson. 



[Read 31st May, 1904.] 



The new species are marked thus (*), and only new localities are 

 given for the remaining species. 



Classification and nomenclature. — Verrall, British Flies, Vol. 

 viii., 1901, and List of British Diptera, 1901. 



Abbreviations. — Holy Loch = head of Holy Loch at the mouth 

 of the River Eachaig ; Blairmore = small glens and woods by the 

 roadside between Blairmore and Gareletter Point; Crookston = 

 banks of the White Cart and waste ground adjoining Barrhead 

 Road; Monkd. CI. = south bank of Monkland Canal, near 

 Cardowan ; Cambuslang = south bank of Clyde, from railway 

 bridge at Carmyle to Newton ; Cadd. Wild. = Cadder Wilderness. 



Fam. Platypezidje. 

 *Platypeza atra, Mg. — Two 25, Hamilton High Parks, on 



leaves of Rhododendron, 

 29th August, 1903. 



Fam. PiPUNcuLiD^. 

 *Verrallia villosa, v. Ros. — One J , Frankfield Loch, 10th June, 



1900. 

 *Pipunculus unicolor, Ztt. — One 5 , Murroch Glen, 7th June, 



1902. 

 *Pipuncuhis campesiris, Ltr. — 



One $ , Frankfield Loch, 21st June, 



1903 (A. Ross). 

 *Pipunculussylvaticus,'M.g. — One J .Hawkhead Est., 28th June, 



1903. 



