28 
D. basalis. Steph. plate 21, jig. 1. 
SyNONYME Reeselii. Curt. 
Length of body, from 1 inch 3 to 1 inch 4 lines. 
Expanse of wings, from 1 inch 11 to 2 inches 1 line. 
Figured from a specimen in Mr. Stephens’ collection. This 
species has been taken during June and July at Colney Hatch, 
at Deptford, and at Epping. 
D. flaveola. Lin. plate 21, fig.2. o 
Figured in Harr. Exp. Eng. Ins. pl. 46, f. 4. 
Charp. Tab. 9. 
Schaeff. Icon. Tab. 4,f. 1. @ 
This species is found in Scotland, at Whittlesea Mere, and 
at Epping. 
The body of the female is stouter, and the colouring of it not so 
bright. 
D. rubicunda. Schaeff. plate 21, fig. 3. 0 
Figured in Curtis. pl. 712. 
as pectoralis. Charp. Tab. 13. 
This pretty insect is figured from a specimen in Mr. Stephens’ 
cabinet, who states that it has been found at Epping. 
The stigma of this species appears to be particularly small. 
The female has the body shorter and stouter than the male. 
