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SOUTH AFRICAN MICRO-LEPIDOPTERA 
SUPPLEMENT 
The additional species that follow were received subsequently through the 
hindness of Mr C. J. Swierstra, and the typical specimens are in the Trans- 
vaal Museum. 
■ 
EUCOSMIDAE 
Eucosma thematica n.sp. 
$ 12 mm. Head white sprinkled with grey, crown towards sides suffused 
with grey. Palpi dark grey, terminal joint and apex of second white. Thorax 
blackish-grey irregularly irrorated with whitish. Abdomen dark grey. Fore- 
wings elongate, rather narrow, costa slightly arched, apex obtuse, termen 
slightly sinuate, rather oblique; dark grey, posteriorly irrorated with white; 
basal patch occupying of wing, suffusedly striated with dark fuscous, with 
a dorsal spot of whitish irroration at its middle, posterior edge obtusely 
angulated rather below middle, followed by a suffused whitish fascia; an 
undefined darker narrow rather oblique obtusely angulated central fascia, 
its costal portion formed by a fine blackish streak; ocellus limited by two 
thick leaden streaks, and containing two or three irregular dark fuscous dots; 
costa posteriorly with pairs of whitish strigulae separated by blackish-fuscous 
marks; a slender incurved blackish streak from costa before apex to middle of 
termen, with a projection beneath apex : cilia grey irrorated with white and 
dark fuscous. Hindwings with 3 and 4 stalked; rather dark grey; cilia grey 
sprinkled with whitish points. 
Transvaal, Pretoria, in January (Swierstra); one specimen. 
Eucosma op sonoma n.sp. 
^ 13 mm. Head and thorax ferruginous, face paler. Palpi wiiitish, second 
joint suffused with ochreous-grey. Abdomen light grey, base whitish. Fore- 
wings elongate, costa gently arched, without fold, apex obtuse, termen 
slightly rounded, rather oblique; light grey, irrorated with whitish; basal 
patch mostly suffused with ferruginous except towards costa, outer edge 
oblique, slightly convex; dorsal space between this and central fascia suffused 
with whitish; three or four dark grey dots on anterior half of costa; central 
fascia indicated b}^ a short fine oblique ferruginous streak from middle of 
costa and some ferruginous irroration elsewhere, posterior edge obtusely 
angulated in middle; three small oblique ferruginous spots on costa between 
this and apex, with faint ferruginous oblique strigae rising from them; a 
ferruginous apical spot ; ocellus enclosed by approximated rather thick silvery- 
grey -whitish streaks, and containing three small indistinct dark greyish- 
ferruginous dots: cilia light grey mixed with ferruginous, beneath tornus 
mixed with whitish. Hindwings with 3 and 4 stalked; grey, veins suffused 
with darker; cilia whitish-grey. 
Transvaal, Pretoria, in January (Swierstra); one specimen. 
