YPONOMEIjTID.E. METALLOSETIA. 283 



Gexus CCCLIII. — Metallosetia* mihl. 



Palpi longer than the head, curved upwards, and considerably divaricathig, 

 clothed with metallic scales, especially at the base, the terminal joint, which 

 is rather shorter and more slender than the second, being most exposed, and 

 acute : maxilla' moderate. AiitennoE moderate, longest and nearly simple in 

 the females ; in the males the base is clothed with broad metallic scales 

 nearly to the middle, the basal joint being stoutest, and the rest attenuated 

 to the middle, the terminal ones being most slender and generally pale : head 

 small, subglobose, clothed with depressed metallic scales: eyes prominent: 

 thorax ovate : wings slightly convoluted during repose ; anterior long and 

 lanceolate, metallic and immaculate, with long cilia on the apical half of the 

 inner margin ; posterior very narrow, with longish cilia on the anterior, and 

 very long ones on the posterior, margin : body whitish and rather slender ; 

 acute in the females. 



This singular genus — first named and characterized by me-f- — is 

 distinguished not only by the brilliant, immaculate, metallic splendour 

 of its anterior wings, which are very long, slender, and acute, but by 

 the peculiarity in the structure of the antennae, especially in the 

 males, in which sex the basal joints are very considerably enlarged 

 by having them clothed with broad metallic scales, gradually decreas- 

 ing in width to the middle of the antennae ; the latter are rather 

 slender at the apex and pale : the palpi are longish and incurved : 

 the head, thorax, &c. metallic, and the posterior wings adorned with 

 long cilia, which are continued on the anterior margin. 



Sp. 1. spissicornis. Plate 41. J*. 1. — Alls anticis splendide viridiaureis,posticis 

 fuscis. (Exp. Alar. 5 — 6 lin.) 



Po. spissicornis. Haworth. — N. G. spissicornis. Stcph. Ca^aZ. ii. 211. No. 7383. 



All the wings immaculate and shining golden-green, or grccnish-gold, posterior 

 fuscous, with a coppery tint; cilia blackish: antenuffi spotted with black in 

 the middle, the apex white. 



Found in June near Ripley ; also in the fens in the vicinity of 

 Whittlesea Mere, in July 1833 : it has likewise been taken, accord- 

 ing to Mr. Curtis, near Glanvillcs Wootton, and near Cobham: I 

 generally find it in damp situations ; it appears to be rare. 



» 



ULiToKKov raetallum, aii tinea. t Ency. Metrop. 



