LITHOCOLLETIS. 273 
fuscous. Anterior wings pale saflron-yellow, with a straight white wn- 
margined \basal-streak, and four costal and three dorsal white streaks ; 
all these have dark margins towards the base of the wing, except the 
Jirst costal streak, which is continued along the costa towards the base of 
the wing ; at the apex is a short black streak. Posterior wings pale 
grey, with ochreous-grey cilia. 
Not uncommon in May and August. The larva mines in the 
upper side of the leaves of the hornbeam in autumn and July. 
17. ulmifoliella, Hiib. Tin. 444 (1816); Treit.; Dup.; Zell. 
L. E. i. 210. pl. 1. f. 18; Sta.; v. Nicelli. Alis anticis saéwrate cro- 
ceis, linea basali recta albida costam versus nigro-marginata, fascia an- 
gulata ante medium, strigulis tribus costa (¢ertia apicali), duabus dorsi, 
introrsum nigro-marginatis, albidis, puncto rotundo apicis atro. xp. 
al. 4 lin. 
Head dark saffron or brownish. Face white, inclining to metallic. 
Palpi white. Antenne fuscous, before the apex white. Anterior wings 
deep saffron, inclining to brownish, with a straight, rather short, whitish 
basal streak, dark-margined towards the costa, with an angulated whitish 
fascia, internally dark-margined ; beyond are three costal and two dorsal 
whitish streaks, internally dark-margined ; the last costal streak is im- 
mediately over the round apical black spot. Posterior wings grey, with 
paler cilia. 
Abundant in May and August. ‘The larva mines the under- 
side of the leaves of the d¢rcd in autumn and July. 
18. Spinolella, Dup. L. F. xi. 535. pl. 308. f. 8 (1838); Sta.; 
v. Nicellii—hilarelia, Zett.? Alis anticis croceis, paullulum griseo-irro- 
ratis, linea drevi basali alba non obscure marginata, fascia arcuata ante, 
strigulis tribus costee, duabus dorsi pone medium, introrsum fusco-mar- 
ginatis, albis, squamis nigris disci, striola apicis ovata nigra, Exp. al. 
33-44 lin. 
Head yellowish-white. Face and palpi white. Antenne whitish, 
annulated with fuscous, before the apex white. Anterior wings saffron- 
yellow, more or less suffused with grey, with a short unmargined white 
basal streak, a slightly-curved white fascia before the middle, internally 
dark-margined, and beyond the middle three costal and two dorsal 
white streaks, internally dark-margined; between the first pair of 
spots are some dark scales on the dise; the apical black spot is rather 
small and oval. Posterior wings grey, with paler cilia. 
Local; it occurs at Bristol, Huddersfield, and in the south of 
Scotland. Common in May and August. The larva mines in 
the leaves of the sallow in autumn and July. 
19. quercifoliella (I'. vy. R.), Zell. Isis, 1839, p. 217; Id. L. Bi. 
i, 218. pl.1. f. 22; Sta.; v. Nicelli; Dup. ?—WHarvisella, var. 8, Haw. 
—Harrisella, Step.? Alis anticis dilute croceis vel pallide ochreis, 
linea basali longa, haud pallidiore, utrinque fusco-marginata, strigulis 
VOL. IIT. aN 
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ere. es 1) ee 
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