Eucereon chloraenoma Hampson, 1914

Rothschild, W. 1912. New Syntomidae. Novitates Zoologicae 19: 151-186 [p. 180].
Original description, as Eucereon ockendeni sp. nov. (preoccupied by Eucereon
ockendeni Druce, 1906; replaced by Hampson 1914 with the name chloraenoma).

142. Eucereon ockendeni sp. nov.

♂♀. Differs from lineatum Dogn. in the thorax and abdomen being pale yellowish
grey, not grey-brown, and in the forewings being less hyaline and the pattern
less distinct and grey-brown, not chocolate, and on basal half of wings almost
obliterated.

Length of forewing: 21-24 mm.

Hab. La Oroya, Rio Inambari, S.E. Peru, 3100 ft., wet season, March 1905 (type);
Santo Domingo, Carabaya, Peru, 6000 ft., dry season, June 1902 (G. Ockenden);
Paramba, Ecuador, January-May 1897 (W. H. Rosenberg); Lita, Ecuador, 3000 ft.
(Flemming); La Union, Caura River, June 1902 (S. M. Klages); Caracas, Venezuela.

Rothschild compares the species with Eucereon lineatum (Dognin, 1891), which
Hampson (1898, Cat. Lep. Phal. B.M. 1: 512-513, no. 1130) describes thus:

Head and thorax reddish brown and white; abdomen fuscous, with some whitish
scales at base and extremity; obscure series of white lateral spots and ventral
bands. Fore wing whitish, thinly scaled; a short reddish-brown subbasal band
from costa; two obliquely curved and irregularly dentate antemedial lines; a
pale-centred figure-of-8 shaped discoidal patch extending to costa; two
irregularly dentate and obliquely curved postmedial lines, the outer expanding
into patches towards costa and inner margin; an obscure irregularly dentate
subterminal line expanding into patches at costa, middle and inner margin; some
terminal points on the veins and a terminal line. Hind wing hyaline, the veins
and terminal line brownish.

Hab. Ecuador, Loja; Bolivia, Chaco (Garlepp), 1 ♂. Exp. 46 millim.

Hampson, G. F. 1914. Catalogue of the Lepidoptera Phalaenae in the British
Museum. Supplement. Volume I. Catalogue of the Amatidae and Arctiadae (Nolinae
and Lithosianae) in the collection of the British Museum. London: p. 355, no.
1130 a, pl. XX f. 11. Replacement name with description.

1130 a. Eucereon chloraenoma, n. n. (Plate XX. fig. 11.)
Eucereon ockendeni, Roths. Nov. Zool. xix. p. 180 (1912), nec Druce, 1906.

Head, thorax, and abdomen white tinged with red-brown, the last with red-brown
segmental lines on terminal half and ventral surface; antennae blackish; palpi
brown; legs streaked with red-brown. Fore wing semihyaline whitish, the veins
streaked with dark brown; a subbasal red-brown patch on costal area with
diffused line from it to vein 1; antemedial line red-brown, forming a spot at
costa, then inwardly oblique and sinuous; a dark brown bar across end of cell
and some brown suffusion beyond the discocellulars; postmedial line brown,
forming a small patch at costa, excurved below costa, very oblique and sinuous
below vein 4; subterminal line brown, forming a small patch at costa, excurved
and forming a patch at vein 6, incurved at vein 5, then oblique, sinuous, and
forming a patch at inner margin; a diffused sinuous line before termen from
costa to vein 6, between veins 5 and 3 and a spot below vein 2. Hind wing
semihyaline white, the termen slightly tinged with brown towards apex and below
vein 2.

Hab. Venezuela, Caracas, Caura R., La Union (Klages); Ecuador, Paramba
(Rosenberg), Lita (Flemming); Peru, R. Inambari, La Oroya (Ockenden), type † ♂
in Coll. Rothschild, S. Domingo (Ockenden), 1 ♂. Exp. 40-44 millim.

Draudt, M. 1915. Eucereon. In: Seitz, A. (ed.), The Macrolepidoptera of the
World, vol. 6, The American Bombyces and Sphinges: p. 184, pl. 25 i, as Eucereon
rothschildi nom. nov. (a second replacement name for ockendeni Rothschild,
itself a junior synonym of chloraenoma Hampson, 1914). (German edition: Die
Gross-Schmetterlinge der Erde 6.)

E. rothschildi nom. nov. (= ockendeni Rothsch. nec Druce) (25 i) greatly
resembles the preceding, being likewise smaller than lineatum, with
yellowish-grey, semi-diaphanous wings, with faded pale grey-brown markings which
have almost vanished in the basal half. Venezuela; Ecuador; Peru.

"The preceding" is E. hoffmannsi Rothschild (= E. pagina Hampson), and both are
compared with E. lineatum; Draudt describes these two thus (p. 183):

E. lineatum Dogn. has a reddish-brown head and thorax, mixed with white. Abdomen
blackish-brown, anteriorly and posteriorly with interspersed whitish scales,
with whitish lateral spots and ventral bands. Forewings whitish, thinly scaled;
near the base a short, reddish-brown band; 2 antemedian, irregularly dentate
lines; at the cell-end a spot in the shape of an 8; 2 postmedian dentate
transverse lines, the distal one thickened to a spot at the costa and proximal
margin, and a similar, antemarginal line thickened also in the middle; a
marginal line and dots at the ends of the veins. Hindwings hyaline with a
brownish border and veins. Expanse of wings: 46 mm. Ecuador; Bolivia.

E. hoffmannsi Rothsch. is much smaller than the preceding. The forewings are not
semi-diaphanous whitish, but light yellow-brownish, the markings much less
distinct and of a dull wooden-brown colour, not chocolate-brown. The last
abdominal ring is of a bright yellow, not dirty-brown. Length of forewings: 20
mm. Peru; Ecuador.

Draudt, M. 1917. Additions and Corrections. In: Seitz, A. (ed.), The
Macrolepidoptera of the World, vol. 6: p. 216.

P. 184, line 1 from above, for rothschildi, which becomes a synonym, insert the
name: chloraenoma Hmps.