notodontid.t;. — ptilophoua. 29 



Genus XLIIl. — Ptilophoua * mihi. 



Palpi minute, enveloped in dense elongated hairs : maxillae very short. Antennw 

 slender, of the males furnished with extremely long plumose radii, of the 

 females subserrated ; head densely pilose, small : eyes moderate : thorax not 

 crested, pilose: abdomen scarcely elongated, clothed with velvety pile, and 

 slightly tufted in the male : wings subdiaphanous, pilose ; anterior with the 

 apex entire, the inner margin obsoletely denticulated ; posterior entire : legs 

 short, robust, downy: tibiae with minute spurs at the apex. Larva without 

 dorsal protuberances : pupa subterranean, foUiculated. 



This remarkable genus may be known with facility by the peculiar 

 delicate transparent texture of its pilose wings, which are scarcely 

 denticulate in the interior margin, by its pilose body and minute 

 concealed palpi ; the males are further distinguished by having the 

 antennse furnished with extremely long plumose radii. 



Sp. 1. variegata. Plate 14. f. 1. — Alis ochraceo-ferrvgineis, strigd arcuatd 



Jlavescente. (Exp. alar. $ 1 unc. 4—6 lin. : ^ 1 unc. 6—8 hn.) 

 Ph. Bo. variegata. Villars. — Pt. variegata. Steph. Catal. No. 5977. 



Head, thorax, and abdomen ochraceous-red : antennae with fuscous radii : an- 

 terior wings ferruginous ochre, or ferruginous varied with ochraceous, with a 

 distinct arcuated yellowish striga behind the middle, the nervures dusky, and 

 the anterior margin and cilia of a deep rusty-brown ; the inner edge densely 

 margined with elongate hairs: posterior wings pale ferruginous or gray- 

 brown, sometimes with a very obsolete transverse paler fascia. 



Caterpillar smooth yeUowish-green, with a bluish dorsal line, and three dehcate 

 whitish lateral lines : it feeds on the maple, birch, and sallow, and is found at 

 the end of May: the pupa is reddish-brown: the imago appears towards the 

 end of October. 



Far from common ; but met with nearly annually in the larva state 

 at Darenth-wood, which is the only locality that I am acquainted 

 with, though it probably inhabits other parts. Old specimens are 

 in tlie collection at the British Museum, and in those of Messrs. 

 Vigors, Haworth, and Swainson. 



Genus XLIV. — Chaonia mihi. 



Palpi very minute, slightly porrect, recurved at the base, pilose : maxillae ex- 

 tremely short. Antennae bipectinated in the males to the apex, in the females 

 subserrated and ciUated : head small, pilose, with a distinct fascicle of hairs 

 at the base of each antenna : eyes moderate : thorax shghtly crested : abdomen 



Ht/Xov pninu moUi.i, (fi^u fero. 



