JS^- J^^S ? 



687. 

 PORRECTARIA ALBICOSTA. 



The white- edged Unicorn Moth. 



Order Lepidopiera. Fam. Tineidse. 



Type of the Genus, Tinea Anatipennella Hub. 



PoRRECTARiA Huw., Curt. — Omix Och. — Tinea Fab., Hub. — Haplo- 

 ptilia Hub. 



Antennce inserted on each side of the crown above the eyes, not 

 so long as the body, capillary, porrected and closely united in 

 repose, basal joint stout and elongated, clothed with long scales 

 (1), forming a pencil at the apex in the males (1 (^). 

 Maxillce twice or thrice as long as the palpi, spiral and tapering, 

 a considerable portion of the base clothed outside with scales (3). 

 Labial palpi longer than the head, porrected, divaricating, clothed 

 with shortish scales (4), slender and triarticulate, basal joint 

 elongate-ovate, curved, 2nd very long, a little attenuated, 3rd 

 only half as long, sometimes less, very slender and sublanceo- 

 late {4 a). 

 Head small, clothed loith broad depressed scales (7 front view, 7* the 

 profile) : eyes lateral, suborbicular, not very remote beneath. Thorax 

 ovate, scales depressed. Abdomen linear, obtuse in the male, conical 

 and acuminated at the apex in the female ; oviduct horny and ex- 

 serted. Wings very much deflexed in repose, superior long, narrow, 

 lanceolate, often falcated and acute, the cilia very long, and extend- 

 ing round the apex and towards the base of the interior margin : 

 inferior much smaller, narrow, lanceolate and very acute, cilia very 

 long and extending along the costa nearly to the base. Legs slender, 

 posterior the longest : tibiae, anterior not very short, simple, the 

 others with spurs at the apex, hinder fringed with long hairs outside, 

 with a pair of spurs also above the apex : tarsi 5-jointed ; claws and 

 pulvilli minute. (5t, hind leg). Larvae ivith 6 pectoral feet, living 

 in a case (L), in which they change to Pupse that have the portion 

 covering the wings extending considerably over the apex. 



AhBicosT A Haw. — Curt. Guide, Gen. 1016. 2. 



White; antennae spotted with black ; eyes black; anterior vrings 

 acute and a little sithe-shaped, ochreous, brownish towards 

 the apex, with a narrow white margin, a white line from the 

 base to the posterior margin, and one above It on the disc not 

 reaching the base ; inferior wings pale shining cinereous, cilia 

 darker, pale yellowish fuscous ; abdomen dirty-white, legs yel- 

 lowish-white, inclining to fuscous in some lights. 



In the Author's and other Cabinets. 



These little Moths are similar in their oeconomy to Coc/ileo- 

 pliasia (fol. 487.)' The Caterpillars form cases, in which they 

 live, and walk about with them, often in a vertical direction, 

 and they afterwards become the cocoons of the pupse. The 

 larvae feed upon the parenchyma of leaves. The Moths rest 



