1562 CATALOGUE OF 



Genus PLEGAPTERYX. 



Plegapteryx, H.-Sch. 



Plegapteryx anomalus. 



anomalus, H.-Sch. Lep. Exot. pi. 80, f. 462, 463. 



Sierra Leone. 



Genus IRA. 



Mas. Corpus gracile. Proboscis mediocris. Palpi laeves, 

 oblique ascendentes, verticetn non attingentes ; articulus 3us mini- 

 mus. Antennae glabrae. Thoracis tegulae posticas pilis erectis in- 

 structs. Pedes graciles; tibiae posteriores penicillatae ; calcaria 

 breviuscula. Alae latissimae ; anticae subfalcatae ; posticae abdomen 

 superaotes. 



Male. Body slender. Proboscis of the usual length. Palpi 

 smooth, moderately stout, obliquely ascending, not rising so high 

 as the vertex; third joint extremely small. Antennae smooth. Hind 

 tegulae of the thorax with long erect hairs. Abdomen shorter than 

 the interior border of the hind wings ; apical tuft moderately large. 

 Legs slender; posterior tibiae with a long penicillate tuft; spurs 

 rather short. Wings very broad. Fore wings acute, subfalcate; 

 exterior border slightly convex, moderately oblique. 



Most allied to Anger ona. 



Ira atomaria. 



Mas. Cervina ; alee nigro conspersce, puncto subtus nigro ; anticce 

 puncto nigro, punctis submarginalibus nigris albo notatis, 

 macula costali subapicali nigricante nigro marginata puncta 

 dua alba includente. 



Male. Fawn-colour, with a cinereous tinge on the under side. 

 Abdomen paler than the thorax. Wings minutely black-speckled ; 

 under side with a black point in the disk. Fore wings with sub- 

 marginal blackish white-marked points on the veins; a black point 

 in the disk ; a blackish costal black-bordered spot very near the tip 

 containing two white points. Length of the body 8 lines ; of the 

 wings 22 lines. 



a., Quito. Presented by M. Bourcier. 



