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Diaphora mendica : ウィキペディア英語版 | Diaphora mendica
The Muslin Moth (''Diaphora mendica'') is a moth of the family Arctiidae. It is found in the Palearctic ecozone east to Baikal Lake. ==Technical Description and variation== :''See glossary for terms used'' The wingspan is 28–38 mm. There is clear sexual dimorphism in the imago, with the male having a brownish gray colour and a forewing length of 14–17 mm, and the female being white and a having a forewing length of 17–19 mm.Male sooty brown-grey, usually with a black dot at the apex of the cell; sometimes without and in other cases with a few accessory dots. The female thinly scaled, milky white, with the abdomen of the same colour; wings very sparsely dotted, ab. ''rustica'' Hbn. are males with the ground-colour milky white like that of the females. ab. ''binaghii'' Tur. are transitional specimens from the normal brown males of ''mendica'' to ''rustica''. — Schultz names female specimens with only one black dot ab. ''depuncta''. By pairing the white males of ''rustica'' with normal females of ''mendica'' (which is an interbreeding of races and not hybridisation, as is usually reported) peculiar sand-coloured males result, which are called ''standfussi''.If the female of ''standfussi'' is recrossed with the male of ''rustica'' a white and much dotted moth results, the form ''inversa'' Car.. But we have true hybridisation if the male of ''rustica'' is crossed with another species of the genus, e. g. with ''Diaphora sordida'' Hbn.; from this cross-breeding a real hybrid is obtained, viz., f. hybr. ''viertli'' Car. This may again be paired with other forms, e. g. ''viertli'' with f. ''inversa'' Car., by which cross ''hilaris'' Car. is obtained, or with ''mendica'', whence ''beata'' Car. results, etc.〔Seitz, A. Ed. Die Großschmetterlinge der Erde, Verlag Alfred Kernen, Stuttgart Band 2: Abt. 1, Die Großschmetterlinge des palaearktischen Faunengebietes,Die palaearktischen Spinner und Schwärmer, 1912- 1913〕 The female resembles ''Spilosoma lubricipeda'', but that species has longer and smaller wings and a yellow and black back.
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