216 TORTRIC1NA. 



the costa, is an abbreviated, oblique, ill- denned fascia, followed at the 

 middle by another slender defined one, which attains the anal angle ; 

 its anterior edge moderately undulate, dilating towards the dorsal 

 margin, and angulated on its posterior border beyond the middle. 

 In the apical region is a cloud bearing at the anal angle the ocelloid 

 patch, which is conspicuous, of moderate size, bordered with silvery 

 lines, enclosing three longitudinal black lines. On the costa, before 

 the middle, are two, and beyond, five, geminated pale lustrous 

 streaks, all produced, with the interspaces umbreous. The apical 

 spot distinct. Apical scales umbreous, palest at the anal angle, with 

 drab bases. Cilia glossy, pale umbreous, with the bases broadly drab. 

 Posterior wings glossy, the base with a pearly lustre, softening into 

 fuscous at the apex, the margin also narrowly fuscous. Marginal 

 scales fuscous, with whitish bases. Cilia pearly white at the base, 

 and with a fuscous tinge at and towards the apex. Legs very pale 

 fuscous. Abdomen pale fuscous at the base, silvery towards the 

 apex, the caudal tuft pale ochreous. 



Exceedingly rare in cabinets. Distinguished from its congeners 

 by the pearly- white base of the posterior wings. 



According to Haworth, the imago appears in April among Fir- 

 trees, but he quotes no locality. There are two specimens from 

 his collection in the cabinet of the Entomological Society of 

 London, from which the above description is taken. 



On the Continent, it is said the larva feeds on the leaves of 

 Pines, and is to be found in July ; it is yellowish green, with the 

 head and shield black. 



Genus IX. RETINIA, GUENEE. 



Palpi longer than the head, approximate, densely clothed with 

 scales ; basal joint stout, pyriform, truncate ; apical slender, obovate, 

 not so long as the basal ; middle stout, ascending, thickest beyond 

 the centre, rather more than three times as long as the apical. 

 Maxillae as long as the palpi. Thorax slender, ovate, trigonate be- 

 hind. Anterior wings : length more than twice the width ; costa 

 regularly arcuated ; apex obtuse ; apical and dorsal margins entire ; 

 the costal vein attains the margin at the middle ; subcostal nervures 

 equidistant. The discoidal cell is situated in the upper half of the 

 wing, and extends nearly two-thirds its length. Posterior wings 

 ample ; apex obtuse ; apical margin concave ; basal angle produced. 

 Abdomen long, slender, and tufted in the J ; stout and suddenly 

 acute at the apex in the $ . 



All the insects associated in this genus are Pine-feeders in the 

 larva state ; the imago attains to large dimensions, and, like the 

 species in the preceding group, have the silvery lustre upon the 



