Dysschema larvata (Walker, 1856)

Walker, F. (1856). List of the Specimens of Lepidopterous Insects in the
Collection of the British Museum. Part VII. Lepidoptera Heterocera. Trustees of
the British Museum, London; p. 1654 (as Pericopis larvata).

Fem. Nigro-fusca, guttis anticis albis; abdomen albido bivittatum; alae anticae
fasciis duabus abbreviatis obliquis semihyalinis sordide testaceis, subtus basi
rufo bimaculatae; posticae nigrae, basi flavae, maculis nonnullis exterioribus
rufis unaque flava.
Female. Blackish brown. Head, palpi and fore part of the thorax with white dots.
Antennae black, minutely serrated. Abdomen with two very indistinct and diffuse
pale stripes; under side with two distinct and complete whitish stripes. Fore
wings with two short oblique semihyaline dingy testaceous bands, the exterior
one attenuated in front; under side with two red spots at the base. Hind wings
black, yellow towards the base, with one yellow and with several indistinct red
exterior spots. Length of the body 11 lines; of the wings 34 lines.
Valley of the Amazon. In Mr. Saunders' collection.

Hering, M. (1925). Pericopidae. In: Seitz, A. (ed.), The Macrolepidoptera of the
World, vol. 6, The American Bombyces and Sphinges. Alfred Kernen, Stuttgart; p.
440, pl. 62 f (as Pericopis larvata).

P. larvata Wkr. (62 f). Female. Body blackish-brown, abdomen beneath yellow with
a broad black median line. Forewing blackish-brown, with a hyaline discal and
subapical band, the latter in front pointed. Hindwing brimstone-coloured, costa,
veins and margin black, the latter broad, extending to beyond the transverse
vein and containing a yellow spot distally to the transverse vein as well as
some red spots from the anal angle towards the centre of the wing. Guiana,
Amazons.

Moraes, S. S. (2014). Análise cladística da subtribo Pericopina e revisão
taxonômica de Dysschema Hübner, 1818 (Lepidoptera, Erebidae, Arctiinae,
Arctiini). Doctoral thesis, Instituto de Biociências, Universidade de São Paulo;
pp. 116-117, fig. 29 C (adult) (Dysschema larvata, lectotype designated: Brazil,
"Valley of the Amazon", BMNH).

Translated from the Portuguese original.

Redescription
Male. Still unknown.
Female (Fig. 29 C).
Head: predominantly brown. Vertex with reduced tufts of white scales in the
anterior and posterior regions of the scape and behind the ocelli. Labial palpus
brown, anterior region of the 1st and 2nd segments with white scales.
Thorax: predominantly brown. Prothoracic collar brown; prothoracic coxa brown.
Tegula with two reduced basal yellow spots, near the outer and inner margins.
Fore wing brown, veins outlined by dark brown scales; two light brown
semi-hyaline patches (i) subrectangular, in the median region of the wing,
crossing the distal part of the discal cell, between the costal margin and 1A,
(ii) elliptical, in the subapical region, between R4+R5 and CuA1; a red spot at
the wing base, on the stem of R; underside with a pattern like the upperside and
the wing base with a red spot in the costal region. Hind wing with costal and
outer margins brown; basal region yellow with veins outlined by brown scales, a
brown spot at the closure of the discal cell, fused to the submarginal band; a
yellow spot near the apical region, between Rs and M3; submarginal band with 4
red spots, not fused, between M3 and 2A; underside with a pattern like the
upperside, but with the wing base with a red spot in the costal region.
Abdomen: dorsally brown, with two faded lateral yellow bands, on segments A1-A8;
ventrally brown with two lateral yellow bands, on segments A2-A8. Terminal part
of the abdomen with ferruginous scales.
Genitalia: seventh sternite with pockets lateral to the ostium, symmetrical,
moderately sclerotized; ostium sclerotized, fused to the seventh sternite, with
a subrectangular lateral projection on the right side and dentiform apex; antrum
sclerotized, straight; ductus bursae short, sclerotized, corpus bursae not
extending beyond the seventh sternite, signa paired, circular. Lamella
antevaginalis absent; lamella postvaginalis absent.