MICROLEPID OPTERA OF NEW GUINEA 
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terminal edge deep brown. Cilia deep chestnut-brown, bright ochreous 
between veins lb — 2, shining. Hind wing pale ochreous, brighter ochreous 
along costal half, faintly transversely strigulated, on costa before apex 
strigulated with greyish. Cilia light yellowish -ochreous, slightly suffused 
with greyish, and with a faint brown antemedian line around apex. 
Limen narrow, curved. Bursa copulatrix pear-shaped. Signum a large 
ovate convex plate with rough surface (Slide No. 401 D, allotype). 
Top Camp, 2100 m, February 9, 1939. One male (holotype). Moss 
Forest Camp, 2600 — 2800 m, October 9 — November 5, 1938. Three 
females. Five km northeast of Lake Habbema, October 21 — 26, 1938. Two 
females (allotype). Iebele Camp, 2250 m, November 25, 1938. One male. 
This is the largest Adoxophyes species known to us. It resembles a Homona. 
Distinct by the not darkly edged markings, by the silky gloss of the fore 
wing, and by the deep fulvous cilia in the two sexes. Nearest to A. aniara 
Diakonoff. 
Chresmarcha Meyrick, 1910 
Chresmarcha Meyeick, (part.), Proc. Linn. Soc. N.S. Wales, vol. 35, p. 219. 
Lepid. Catal., fasc. 10, p. 16, 1912. Gener. Ins., fasc. 149, p. 21, pi. 1 , fig. 1 , 1913. 
Fletcher, Mem. Agr. Ind., Ent., vol. 11, p. 48, 1929. 
Chresmarcha Diakonoff, nec Meyrick, (part.), Zool. Meded. Mus. Leiden, vol. 
21, pp. 135 — 142, figs IT, J, 3E, F, 1939. 
Chresmarcha Diakonoff, (sensu stricto), Treubia, vol. 18, p. 31, 1941; ibidem, 
vol. hors serie, pp. 34 — 35, 1944. 
Typus generis Chresmarcha sibyllina Meyrick, male, not female! 
The present genus represents one of the most striking examples of the 
mysterious white and black mimicry, characteristic of certain elements of 
the fauna of Lepidoptera of New Guinea. Some Chresmarcha species by 
their colouring imitate certain species of Chionothremma (viz., those with 
a white fore wing with black marginal markings), to such an extent that 
they succeeded to deceive not only their surmised enemies — however 
puzzling the use of such mimicry may be in nature — but also Entomolo- 
gists! Meyrick regarded his female of Chresmarcha sibyllina as belonging 
to the same species as the male insect which he described under that 
name. The female, however, appears to be a true Chionothremma. Later 
he separated the female insect under the name of patarea Meyrick, but 
left it in the genus Chresmarcha. The present author followed Meyrick’s 
view (1939), but was much mystified by the differences in w ing neuration 
and in the nature of the genitalia of the supposed sex partners, and 
consequently made the mistake of suppressing the genus Zacorisca as a 
synonym of “Chresmarcha” Meyrick. Afterwards he w as able to ascertain 
that both these opinions were untenable, by the discovery of the true male 
partner of the female insect, originally described by Meyrick as Chres- 
marcha sibyllina, afterwards as Chresmarcha patarea. This female appears 
to be a Chionothremma, a relative of Zacorisca Meyrick (tribe Zacoriscini). 
The males of Chresmarcha sibyllina and C. delphica, characterised by the 
