LEPIDOPTERA HETEROCERA. 1209 



Group 5. 



Antennae tborace paullo longiores aut breviores. Alae amplae, 

 macula maxima vitrea fasciaque semihyalina ; anticae falcatae, apud 

 costam convexae, apices versus falcatae, margine exteriore unduloso 

 perobliquo, macula vitrea subtrigona; posticae raulto latiores quam 

 longae, macula vitrea subovata, abdomen triente superantes. Mas. 

 — Antennae latissime pectinatae ; alae anticae plus falcatae. Fcem. — 

 Antennae subpectinatae. 



Antennae ratber longer or shorter than the thorax. Abdomen 

 extending to about two-thirds of the breadth of the hind wings. 

 Wings ample ; each with a very large vitreous spot, and with a 

 semihyaline band, which in the fore wings is undulating, and is in- 

 tersected by the vitreous spot ; it extends from much beyond half 

 the length of the costa to a little before two-thirds of the interior 

 border of the hind wings. Fore wings convex in front, attenuated 

 towards the tips, falcate at the tips, undulating, and very oblique 

 along the exterior border ; vitreous spot more or less irregularly 

 triangular. Hind wings very much broader than long, very much 

 broader than the fore wings ; vitreous spot more or less irregularly 

 oval, larger than that of the fore wings. Male. — Fore wings more 

 falcate than those of the female, and much more oblique along the 

 exterior border. Female. — Antennae slightly pectinated ; branches 

 alternately short and rudimentary. 



8. Attacus Hesperus. 



Mas et foem. Rufescens ; thorax albo bifasciatus ; alee fascia 

 semihyalina intus nigra extus rufo marginata, fascia lata ex- 

 teriore subpurpurea nigro et albido conspersa, margine exteriore 

 cervino fasciis tribus fuscis una maculari ; ala antica fascia 

 alba indentata extus nigro fasciata , macula maxima fusca tes- 

 taceo marginata striga alba maculisque roseis subapicalibus ; 

 fosticce basi rosece, fascia basim versus obliqua undulosa alba 

 extus nigro marginata. 



Phulaena Attacus Hesperus, Linn. Syst. Nat. 809, 1 ; Mus. Lud. 



Vlr. 367. Cram. Pap. Exot. i. 105, pi. 68, f. A. Gmel. ed. 



Syst. Nat.i. 5,2401, 2. 

 ■ , Merian, Ins. Serv. pi. 65. Seba, Mus. iv. pi. 57, 



f. 4—6 ; pi. 58, f. 12, 13. D'Aubent. Miscell. pi. 66, f. 1 . 



Sulz. Hist. Ins. pi. 21, f. 2. 

 Bombyx Hesperus, Fabr. Syst. Ent. 557,2; Sp. Ins.u. 167,2; 



Mant. Ins. ii. 108, 2; Ent. Syst. iii. 1, 408, 2. Oliv. Enc. 



Meth. Ins. v. 24, 3. 



2p3 



