The British species may be thus divided. 

 A. Wings entirely villose. * Antennae short in both sexes. 



1. E. crassipes Curt. Brit. Ent. pi. 557 c?. 

 I took a pair in Scotland in July 1825. 



2. maculata Meig. Beginning of June, male common near 

 the river at Lyndhurst and in the Isle of Wight ; female 

 beginning of September on paling Regent's Park. 



3. flavescens Linn. — Meiff. v. 1. tab. 4. f. 9. the wing. Be- 

 ginning of July on grass, Duddingstone Loch, Mr. Dale. 



4. lutea Meig. 5. montana Meig. 



6. tasnionata Wied. — Polyraphia pallidipennis Meg. 



Middle of October, Isle of Wight, J. C. 



7. fuscipennis Meig. Beginning of May, Suffolk. 

 18. varia Hgg. 



** Antennae long in the male and beautifully verticillated. 



8. Hneata Meig. Glanville's Wootton ; beginning of June, 



trunks of trees. New Forest ; beginning of September, 

 Regent's Park. 



10. Hederse Curt. Guide. Brownish; antennae of male nearly 

 as long as the body (fig. 3c?); head and thorax grayish ; 

 wings iridescent, yellowish-fuscous, pubescent, stigma and 

 nervures brown ; halteres yellowish- white; coxae and base 

 of thighs ochreous. c?2^ lines long, expansion 5~. 



I took both sexes in great abundance on an Ivy-bush in a 

 garden in Suffolk the 1 1th of May. It differs from E. lineata 

 in having the nervures lighter and less distinct. 



9. trivialis Hgg. Beginning of September, Regent's Park. 



B. Wings with the first transverse nervure nearer to the 



base than in A. 



1 1 . grisea Meig. 1 2. atra Fab. — Meig. Klass. tab. S.f. S^9. 

 Beginning of June, New Forest; July, Scotland. 



13. muvina. Meig. 14. ohscviYB. Meig. 



1 5. ochracea Hgg. Beginning of June, New Forest ; begin- 

 ning of July, Duddingstone Loch ; end of August, com- 

 mon in damp places. Isle of Skye. 



C. Nervures villose only towards the apex of the wings. 



16. iTcihniSi Wied. — Meig. tab. ^.f. 2,. Beginning of July, Dud- 



dingstone Loch. 



17. cinerascens Meig. tab. ^.f. 6. the antenna. 



The Plant is Hedera Helix (Common Ivy). 



