48 
ISANTHRENE. By Dr. M. Dbattdt. 
drucei. 
pertyi. 
azia. 
pelor. 
aterrima. 
mathani. 
Julvipuncta. 
vciria. 
jo da. 
basifera. 
I. drucei Rothsch. (10 f) is a somewhat smaller species from Colombia. Head yellowish white, palpi 
yellow; collar, shoulder-covers and thorax reddish-yellow, striped and bordered by black; abdomen black 
with a steel-blue lustre; the dorsum of the 1st segment exhibits 2 white longitudinal spots with a yellow centre, 
the 3 next segments subclorsal reddish-yellow transverse spots. The yellow, hyaline wings are, between the 
veins, dusted brownish, the margins, except the costal margin, are narrowly black, a black apical spot. Base 
of the hindwing yellow. The legs are cinnamon-brown, middle and hind tarsi black-brown, forehips white. 
Antennae red-brown. 
I. pertyi H.-Schdjf. is black on the body; the 2nd abdominal ring exhibits orange, subclorsal spots 
and white dots, as well as yellow lateral spots; the 2nd to 4th rings show ventrally 2 rows of bluish-white spots. 
The wings are hyaline, in the costal-marginal half yellowish, with fine black veins and margins; at the base of 
the forewing is a blue spot; a subcostal stripe and 2 stripes at the base of the proximal margin are orange. 
Expanse of wings: 42 mm. Brazil (Espiritu Santo). 
1. azia Druce (26 k) is distinguished from all the other species by bright metallic-green spots on the 
palpi, vertex, collar, metathorax and abdomen, the other part of the body is black; antennae at the tips yellow; 
tarsi orange. The abdomen on the two first rings is dorsally white-spotted, the 3rd ring shows lateral and sub¬ 
lateral, white spots. The wings are diaphanous yellow with fine black veins and margins; at the base of the 
forewing a green spot, a subcostal stripe and 2 stripes at the base of the proximal margin are orange. At the 
inner angle of the hindwing the black distal margin expands to 2 teeth. Expanse of wings: 42 mm. Guatemala. 
1. pelor Druce (10 f) has a brown body; palpi, the sides of the forehead, and the basal joints of the 
antennae anteriorly yellow, vertex and collar blue-spotted. Antennae yellow at the tips. Legs black and yellow, 
hips yellowish white. The abdomen shows on the first 4 segments narrow yellow ring-indentations, on all the 
segments subclorsal and lateral spots; the ventral valve is white-margined. The faintly yellowish hyaline wings 
have narrow black margins being somewhat broader at the apex of the forewings. Costal margin yellow. De¬ 
scribed from Ecuador. 
I. aterrima Wkr. (= phyleis Druce) (10 b) has a unicolorously black body; the abdomen shows a 
purple reflection; the two .first segments show white lateral spots and are ventrally white-bordered. The hind 
hips, as well as parts of the tarsi are yellowish-brown. Antennae red-yellow, the first two thirds of the shaft 
above black. The yellowish hyaline wings are in the costal half orange-brownish; on the hindwings the otherwise 
very narrow black distal margin between the inner angle and the lower median vein is broader. Ecuador 
(Sarayacu), Amazon (Ega). 
I. mathani Rothsch. Head black, spotted in a metallic blue; collar black, bordered by orange; shoulder- 
covers orange with a blue basal spot and black margins; thorax spotted in a black blue; abdomen black with 
very large, subdorsal, metallic-blue spots, at the base with a yellow transverse band; at the other rings fine 
orange segmental indentations, the last ring quite orange. Legs dark-brown, with metallic-blue bands, hips 
white-spotted. Wings diaphanous yellow with black veins, distal margin and large apical spot, costal and 
proximal margin orange in 4 /s of their length. Expanse of wings: 38 mm. -—- Cundinamarca; Colombia. 
I. fulvipuncta Hmps. ( = varia Hmps. pr. p.) (10 b). Body blackish-brown, on the forehead, vertex 
and collar with small blue-silvery spots; antennae red-yellow; shoulcler-covers indistinctly striped orange. 
On the first abdominal ring 2 orange dots, on the two next ones subdorsal orange spots, on the next segments 
subdorsal, indistinct, leaden-coloured, blue-spotted bands. On the ventral side the 1st segment shows a white 
transverse band, the 2nd sublateral white, and the third blue spots. Wings faintly yellowish hyaline, .in the 
costal-marginal half somewhat darker yellow; 2 silvery-blue basal spots; costal and proximal margin orange- 
brown, distal margins narrowly blackish. Panama (Chiriqui, Lino). 
I. varia Wkr. (10 b) strikingly resembles the preceding species and differs above all by the presence 
of yellow (not orange-brown) spots only on the two first abdominal rings, not on the third; the silvery-blue 
spots on forehead and collar being present there are absent here, but on the other hand there is here a blue 
spot, beside the one on the vertex, on the metathorax; the antennae are red-yellow, the first % of the shaft- 
above black. On the ventral side the 2nd segment shows a white transverse band, the 3rd and 4th segments 
exhibit sublateral white spots, the 5th blue spots. Amazon (Para); Rio de Janeiro. 
1. joda Druce. Body black, hind head, mesothorax, and spots on the last abdominal segments deep 
ultra marine blue; the 4 first abdominal rings margined by light yellow. Antennae black. Wings yellowish 
hyaline; base, proximal margin, fringes and an apical spot are black. Antennae black. Peru, Bolivia. The 
species shows a likeness to the Cosmosoma lucens Dogn. figured on t. 10 a, though it is larger. 
I. basifera Wkr. (= grenadensis Btlr.) (10 a). Black; the antennae at the tips and beneath orange; 
forehead, collar, metathorax and legs with metallic blue spots, tarsi orange yellow. The two first abdominal 
lings above yellow, the following ones subdorsally and laterally blue-spotted. Wings slightly yellowish dia¬ 
phanous, at the base there are two metallic-blue spots; costal and proximal margins orange; distal margin and 
a large apical spot black. Venezuela (Merida), Colombia, Bogota. 
