ENICOSTOMA. 79 
a. Terminal joint of the palpi almost porrected, short, naked. Sp. 1. 
aa. Terminal joint of the palpi erect, rather long, clothed with scales. 
Species 2. 
1. Avellanella, Hiib. Tin. 27 (1801); Treit.; Step.; Dup.; Evers. 
Alis anticis dilute griseo-ochreis, fusco-irroratis, séria basali plice, ante 
medium angulata et in medio disci desinente, saturate fusca. Exp. al. 
11 lin. 
Head and face greyish-ochreous. Palpi dark fuscous; second joint 
internally at the base pale ochreous; terminal joint entirely pale ochre- 
ous. Antenne greyish-fuscous. Anterior wings pale greyish-ochreous, 
somewhat irrorated with fuscous, ith a dark fuscous streak from the 
base along the fold, angulated towards the costa, and terminating on the 
disc about the middle of the wing ; on the costa beyond the middle is a 
pale fuscous blotch, and an angulated 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 common; appears at the end of March and beginning of 
April among birches. 
2. Steinkellneriana, W. V. 130. 16 (1776); Schr.; Lienig.— 
Steinkelnerana, Bab.; Step.—Steinkelneri, Waw.—Steinkellnerella, Treit. ; 
Dup.—characterelia, Hiib. Alis anticis griseo-fuscis, vix roseo-tinctis, 
macula angulata disci ante medium (angulo dorsum versus), striolague 
postica angulata (angulo apicem versus) nigris. Bxp. al. 10 lin. 
Head and face greyish-fuscous. Palpi greyish-fuscous; terminal 
joint somewhat ochreous, with a dark fuscous ring before the apex. 
Antenne fuscous. Anterior wings greyish-fuscous, with a slight rosy 
tinge, with a small black spot near the base on the subcostal vein; de- 
Jore the middle is an angulated black mark on the dise (with the angle 
towards the inner margin), beyond it is a dark fuscous cloud on the 
costa, below which is a small angulated black mark (the angle of which 
is tured towards the apex of the costa); the hinder margin and apex 
of the costa are 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 Madame 
Lienig) in August and September, on hawthorn and mountain- 
ash, between turned-down leaves. 
Genus III]. ENICOSTOMA. 
Enrcostoma, Step. H. iv. 226 (1834). Gelechia p., Zell. 
Capilli superne suberecti, in conulum frontalem producti. Ocelli nulli. 
Antenne setacee. Haustellum mediocre, squamatum, Palpi la- 
biales arcuati ; articulo secundo longo, squamis appressis ; tertio levi, 
i i ed 
