ENICOSTOMA. 7'.l 



a. Terminal joint of the palpi almost porrcctod, short, naked. t^|). 1. 

 a a. Terminal joint of the palpi erect, rather lony, clothetl with scales. 

 Species 2. 



1. Avellanella, llilb.Tin. 27 (ISOl); Trcit.; Step.; Dap.; Kvers. ^^ ill 

 Alls aiiticis dilute "■riseo-ochreis, i'nsco-irroratis, drki basali plica, ante , ' _ 

 r/iedium angxdata et in medio disci desiiieiife, mluralc fn^ca. Exp. al. '^ 



11 lin. 



Head and face greyish-ochrcons. Palpi dark fuscous ; second joint 

 internally at the base pale oclircous ; terminal joint entirely pale ochre- 

 ous. Antennie greyish-fuscous. Anterior wings ])ale greyisli-ochreous, 

 somewhat irrorated with fuscous, iciUi, a d(irk /k-scohs slrcnk from the 

 base along the fold, unijnlatod Uncarda the casta, and tcrminatiiKj on the 

 disc ahont the middle of the wing ; on the costa beyond the middle is a 

 pale fuscous blotch, and an angulatcd fuscous mark lies at the termina- 

 tion of the discoidal cell; hinder margin and apex of the costa spotted 

 with dark fuscous ; cilia pale grey. Posterior wings pale greyish-fus- 

 cous, with paler cilia. 



Not cominon; appears at llic end of ^Farcli and beginning of 

 April among birclies. 



2. Steinkellneriana, "W. Y. 130. 16 (177(>); Schr. ; Lienig.— 

 Stcinhelnerana, J:'ab. ; Step. — Sleinkelneri, llaw. — SleinJiellnerella, Treit. ; 

 Dup. — characlerella, Hiib. Alis anticis grisco-fuscis, vix rosco-tinctis, 

 macula angidata, disci ante mediiuii (angulo dorsum versus), striolaque 

 postica angiflala (angulo apicem versus) nigris. Exp. al. 10 lin. 



Head and face greyish-fuscous. Palpi greyish-fuscous; terminal 

 joint somewhat ochreous, with a dark fuscous ring before the apex. 

 Antennfc fuscous. Anterior wings greyish-fuscous, with a slight rosy 

 tinge, with a small black spot near the base on the subcostal vein ; be- 

 fore the middle is an angulatcd Iduck murk on the disc (with the angle 

 towards the inner margin), beyond it is a dark fuscous cloud on the 

 costa, below which is a small angulatcd black mark (the angle of which 

 is turned towards the apex of the costa); the hinder margin and apex 

 of the costa arc delicately spotted with black ; cilia greyish-fuscous. 

 Posterior wings pale greyish-fuscous, with pale fuscous cilia internally 

 darker. 



Not scarce in April. The larva feeds (according to ]\ladame 

 Lienig) in August and Sc^ptcmber, on liawlliorn and mountain- 

 ash, between turned-down leaves. 



Genus III. ENICOSTOMA. (RlV. 1^'"^ 



Ekicostoma, Step. II. iv. 22(5 (1S31). Uelechia p., Zoll. 



Capilli superne suberecti, in conulum frontalcm producti. Ocelli nuUi. 

 Antenrnxi setacea;. Ilaustellum mediocre, si[uanuitum. Palpi la- 

 bialcs arcuati ; articulo secundo longo, squamis appressis ; tcrtio licvi. 



