RHYNCHOBOMBYX. By Dr. C. Aubivillius 
congrega- 
rius. 
nasutu. 
bilineata. 
subulva. 
n item. 
malgassica. 
pattens. 
a njulifem. 
annulipes. 
(jueneana. 
Iamatavae. 
mustelina. 
270 
D. congregarius Strand (39 e). Both sexes easily recognisable by the figures. $ with thick grey anal 
wool. Larva black with a yellow dorsal line, hairy, living gregariously and pupating in large silky nests. German 
East Africa: Iringa and Tanganyika District. 
27. Gattuug: if II'VIIcEioIhhiiS^yx Auriv. 
Separated from all the other genera of Gonometinae by the long palpi being rostriformly stretched 
forward. Cf. also the table of genera on p. 255. Costal margin of hindwing very feebly bent. 
Rh. nasuta Auriv. A (39 e) easily discernible by the colouring and marking. $ unknown. Congo 
District: Gombi. 
Appendix 
We append here some Lasiocampidae the generic position of which could not be ascertained. It is even 
possible that one or the other does not belong to the Lasiocampidae. The original descriptions are copied here. 
.. Bomby.r “ bilineata Mat). Smaller than B. neusiria ; wings reddish: hindwing lighter without markings: fore wing 
with two transverse lines, the distal line behind the discal cell parallel with the distal margin; the other line oblique and reaching 
the posterior margin near the base: fringes very long, slightly darkened. Senegambia. 
,,Bomby ,r“ subulva Mab. Wings oblong, light reddish-yellow, in the centre transparent or whitish; forewing at the 
cell-end with a dark dot. Wings beneath yellowish. Body yellowish-red. Antennae black. Abdomen somewhat paler and 
prolonged. Senegambia. 
..Eutricha “ nitons Butt. 3- Forewing above dark chestnut-brown, with a silky gloss, at the posterior margin as far 
as beyond the centre with yellowish-ochreous and at the anal angle with whitish spots; an almost straight, light subbasal 
transverse line bordered with black; a similar, angular, oblique, discal transverse line, and between these transverse lines at 
the end of the discal cell an ochreous dot surrounded by black; a submarginal zigzag row of snow-white spots inwardly 
bordered with black; marginal portion glossy with a violet reflection. Hindwing light coffee-brown with much lighter fringe, 
with a feebly curved black postmedian transverse band and a red-brown marginal line. Thorax above dark violettish-grey; 
abdomen lighter and feebly reddish with dull brown sides and a flesh-coloured spot at each side of the base. Antennae 
reddish-yellow. Wings beneath sand-coloured yellow, with an indistinctly defined dark curved postmedian transverse line 
enclosing a red-brown stripe. Fringes of forewings at the tips dark brown. Chest reddish violet, ventrum red-brown. Expanse 
of wings: 50 mm. Madagascar. It may be = iamatavae Guen.? 
..Gastropacha “ malgassica Kenr. (39 e) is no Gastropacha, but very similar to certain species of Casmotrichc, which genus, 
however, is otherwise not known from the Ethiopian Region. 
„Gonometa“ pallens B.-Baker is considered by Hampson to be a Metanastria. „$. Head and thorax yellowish-grey; 
abdomen yellowish creamy. Forewing yellowish grey with a broad, wavy, oblique median transverse band and a still broader 
postmedian one which is inwardly distinctly, outwardly indistinctly defined and is very broad at the hind margin, but 
narrower above vein 5; these two bands are only little lighter than the ground-colour and more smoothly scaled than the 
other somewhat rough surface of the wing. Hindwing straw-coloured. Expanse of wings: 96 mm.“ North Eastern Rhodesia. 
.. Lasiocampa “ angulifera Walk. ..Brown, beneath lighter. Abdomen yellow, at the base rosy red. at the apex brown. 
Porewing with a proximal white band being very much expanded at the costal margin and distally forming a long sharp 
angle which encloses the black discal dot and a great part of which is interrupted by a black oblique streak; a few 
white and black basal spots; a distal, feebly undulated white transverse line, the veins between this line and the distal margin 
whitish. ITindwing grey, at the distal margin light brownish, Expanse of wings about 31 mm.“ South Africa. 
,,Lasiocampa “ annulipes Bsd. 3- Wings light greyish-brown; forewing at the costal margin and base darkened. Abdomen 
and thorax above with dark hair-tufts. Tarsi black with yellow rings.“ I. of Bourbon. — It is probably no Lasiocampida. 
The typical specimen is said to be lost. A Lymantriida? 
,.Lasiocampa “ guemeana Mab. $. „Size of Bomby.v rubi L. Head extended. Palpi rostriform as in L. quercifolia L. 
Forewing copper-colour strewn with small yellow scales, at the costal margin and the centre of the distal margin reddish; 
posterior margin as far as the centre ashy grey; two yellow transverse lines finely bordered with black, the first being undulated 
in the basal portion: the other, discal one is bent and of an oblique course; marginal portion with a row of densely arranged 
black dots. Hindwing and abdomen beautifully bright red. Thorax coloured like the forewing. Head and palpi above ashy 
grey. Antennae crenulated with a white shaft. Madagascar. 
.. Lasiocampa" iamatavae Gn, Forewing thick, entirely margined, with a somewhat extended apex, rust-coloured 
brown, in the distal half with grey scales, at the base densely clothed with woolly hair; markings indistinct; discal dot light, 
surrounded with light; a submarginal double row of black dots which are accompanied near the apex of the wing by spots 
of grey scales. Hindwing monotonously rust-coloured with lighter fringe. Under surface unicoloured without markings. Thorax 
very hairy, rust-coloured brown. Expanse of wings: 45 mm. — The 2 is larger (55 mm). Forewing not hairy at the base and 
speckled with grey, in the anal-marginal half light grey, at the costal-marginal portion rust-coloured, and. at the centre 
of the distal margin rusty red; transverse lines light and distinct, bordered with dark; the first is erect and wavy, the second 
oblique and bent in an S-shape, between it and the distal margin there are black spots in a curved row. Hindwing monotonously 
rusty brown with somewhat darker veins, but otherwise without markings. Under surface with a dark straight transverse 
band. Thorax coloured like forewing; head grey with at least twice as long palpi which are above grey, laterally black. Abdomen 
very stout, coloured like hindwing. Antennae with very short pectinations.* 4 Madagascar. 
,.Lebeda mustelina Dist. Body and forewing yellowish-brown; hindwing feebly reddish. 3- Forewing with three 
very indistinct transverse lines; the two distal ones are strongly waved. Both wings with lighter fringes exhibiting a dark 
basal line. $. Forewing with three distinct, oblique, blackish transverse lines which are equidistant from each other. 
Fringes as in the 3 • Expanse of wings: 34 (3) or 50 (?) mm. Transvaal: Lydenburg. 
