216 
Localities for this species are Newcastle-on-Tyne, Kes¬ 
wick and the “ Lake District,” Killarney, Tintern, Mon¬ 
mouth. 
The perfect insect appears in July. 
EMMELESIA UNIFASCIARIA. 
SINGLE-BARRED RIVULET. 
Plate XXIX. Figure 6. 
This insect measures three quarters of an inch or a 
little above that in width. 
Male: fore wings greyish-brown ; central band darker, 
edged on each side with whitish, intersected by a slender 
grey line. There is a short black dash from the tip of the 
wing. 
Localities for this very common species are Ardrossan, 
Newcastle-on-Tyne, Conway, Lewisham, Borrowdale, 
Lewes, Bristol, Cambridge, Ipswich, Arran, Tranmere 
near Birkenhead. 
The perfect insect appears in June, July, and August. 
EMMELESIA ERICETARIA, 
HEATH RIVULET. 
Plate XXIX. Figure 7. 
This insect measures from a little under to three- 
quarters of an inch in width. 
Male : fore wings pale grey, with a blot of darker grey 
fit the inner corner ; the first line or band is also darker 
