876 



AETHILLA. By Dr. M. Deatjdt. 



30. Genus: Aetliilla Hew. 



This genus contains large, mostly dark insects with triangular hindwings broadly and uniformly rounded 

 off at the border, the chief mark beuig the upper median vein rising far before the cell-end. The ^ exhibits 

 a long hair-tuft on the posterior tibiae armed as usually with two pair of spurs; the middle radial is entirely 

 absent. Tlie ^ has no costal fold. 



cchina. A. echina Heiv. (170 c) is a beautiful species above purple blackish-brown, with mdistinct darker 



transverse bands. Beneath easily discernible by the beautiful, whitish-blue border of the hindwing, which 

 exhibits yet a crescentiform spot inwards between the median veins and is crossed by a fine notched line. Before 

 me from Mexico, distributed through the whole of Central America to Panama and farther to Colombia and 

 oeclydes. Ecuador. — oeclydes is the name of forms in which the light border of the hindwing beneath disappears 

 more or less, so that at last only the crescentiform spot remains, being situate farther inwards. It seems to 

 melas. occur more to the south and is before me from Colombia. — melas Plotz (170 c, d) is perhaps also only a quite 

 black form of it, from Rio de Janeiro. 



eleusinia. A. eleusitiia Hew. is above dark brown, on the forewing with 2 darker browTi bands; hindwing with 



a cell-spot and a postdiscal, indistinct band; fringes white. Beneath coloured as above, but without the bands 

 and towards the distal margin lighter. Expanse of wings: 2^ inches. From Quito. 



haber. A. haber Mab. is allied to coracina (170 c): above deep reddish-brown with a purple reflection and 



violettish-blue bands and spots, a band at the base of the forewing touching neither the costal margin nor the 

 proximal margin, one in the middle, one oblique spot each at the apex and at the proximal angle; towards 

 the margin lighter reddish or violettish-grey, more broadly so on the hindwing. Beneath more reddish-brown, 

 similarly marked. Expanse of wings: 52 mm. From the Andes of Peru. 



subviolacea. A. subviolacea 3Iab. is above violettish-black, all the wings above crossed by 3 faded black bands. 



Beneath the same, but dull, and on the hindwing towards the margin slightly violet or bluish; outside of the 

 black median band there are here 3 white spots with a slight blue tmt. Described from Ecuador. 



coracina. A. coracina Btlr. (170c) is above quite similar; beneath the wings are of a duller brown, both close 



in front of the margin narrowly strewn with a bluish-\^'hite, the hindwing in the basal part quite dark, the distal 

 band broken up into small spots. Amazon District. 



epicra. A. epicra Hew. is above dark brown with white fringes, both pair of wings exhibit near the middle 



2 darker transverse bands. Beneath the forewing is as above; hindwing in the anal half of the distal margin 

 grey, above the anal angle with a short, white margin, distally indented. As in eleusinia, the distal margin of 

 both pair of whigs forms a single bent line; the apex is sharp. Expanse of wings: 2%inches. Ecuador. 



lavochrea. A. lavochrea Btlr. {= athymnios Mschlr.) (170 d) is above lighter and beneath similar to Telegonus 



anaphus (167 a) «ith a yellow, large marginal spot on the hind"\Aing. In Central and South America. 



memmius. A. mettimius Btlr. (170 d) is distinguished by green dusting beneath, particularly towards the margin; 



towards the anal angle there are 2 or 3 antemarginal, high, yellow crescentiform spots. From Venezuela. 



later. A. later Mab. is above black mixed with a reddish-bro\^'n ; at the base of the forewmg 3 light reddish- 



brown spots ; at the costal margm a large, long, excised spot, from the centre of which a jet-black band extends 

 to the inner-marginal vein, behind it two light rust-colom-ed brown spots between the median veins; in the 

 marginal area there are two extinct bluish-black bands. On the dark hindwing there is a ferruginous spot at 

 the base, behind it a strongly dentate band of the same colom', behind it a band of violettish-grey spots. Beneath 

 the wings are black in the basal halves, outside slightly reddish-brown, on the forewing with a black band, 

 on the hindwing with a bluish-white one being only distinct at the proximal margin. Peru. 



primus. A. primus Plotz, from Brazil, resembles echina (170 c) above, the whole basal parts of the wings are 



very much darkened. Beneath the ground-colour is a dull brown, at the apex of the forewing and at the 

 border of the hindwing very little dusted with a whitish-grey, with a light cell-end spot of the huidwing and 

 two narro\\', faded darker bands behind it, the distal one of which parts the whitish-grey marginal dusting. 



nocera. A. nocera Plotz is a smaller species with a somewhat produced anal angle of the hindwing. Above 



uni-coloured brown, beneath duller with 2 undulate, darker transverse lines and a white limbal line before 

 the browTi fringes; before this light line the margin is deeply darkened. From Colombia. 



gigas. A. gigas Mab. Tlie description of this Peruvian species has unfortimately not been accessible for us. 



peruviana. A. peruviana 3Iab. is somewhat smaller than coracina (170 c). Above the wings are black with a 



reddish-broM-n reflection. The under surface is of a pm-er black, on the forewing with a narrow reddish-brown 



distal margin ; the hindwing shows a broader reddish-bro^Ti margin. 



Fringes on both sides black. 



Peru. 



