cor Beh eval ae ae 
Mr. F. W. Edwards on British Limnobiidae. 207 
has it from Gormire and Austwick, Yorks. Mr. K. G. Blair 
has reared it from larvae found in rotting stems of Typha 
at Hampstead. This cannot very well be H. longirostris, 
which according to the description.of Meigen has a pale 
yellow head and a distinctly striped thorax, 
H. flavus Walk. (PI. I. fig. 4.) 
Thorax almost uniformly yellow-ochreous, the mesonotum 
sometimes with an indistinct dark median stripe in front. Head 
blackish-grey, lighter round the eyes. Proboscis black. Antennae 
with the second joint reddish; flagellar joints intermediate in length 
between those of the two previous species. Legs rather lighter than 
in H. dubius, the femora without dark rings at the tips. Stigma 
absent. Hypopygium: much like that of H. longirostris (Meijere’s 
figure), but the lower claspers with a scarcely perceptible pubescence ; 
the upper claspers with four or five thick spine-like projections at 
the bend. 
Besides Walker’s type male, specimens are in the British 
Museum from Lymington (Verrall); Rickmansworth (Dr. 
W. Wallace) and the Hitchin district (F. W. #.); Finchley 
(K. G. Blair), reared from larvae found among decaying 
reeds. 
ORIMARGA. 
‘ 
O. virgo was recorded by Verrall from “a little grassy 
slope against the river Torrigill at Inchnadamph in Suther- 
land.” In June 1911 Col. Yerbury visited this exact 
locality, hoping to find the species again, and did in fact 
capture a single specimen of an Orimarga. However, on 
examination this proved to be not O. virgo, but O. attenuata 
Walk. (= alpina Zett.), and hence an addition to the 
British list. It differs from O. virgo in the grey thorax, 
darker legs, and the venation (r-m cross-vein beyond 
instead of before the first fork of the media, etc.). Of 
O. virgo it is worthy of note that there is a male in the 
British Museum from Seaton Hole, Devon (Haton). 
ANTOCHA. 
Rondani’s name Taphrophila cannot apply to this genus, 
since he says that the marginal cross-vein is absent; 
hence there is no reason for upsetting Osten-Sacken’s 
name. The European species is now known as A. wirt- 
pennis Mg., since de Meijere has shown that it is distinct 
from the American A. opalizans. 
