蝶と蛾

1960年に白水は台湾北部に産するルリモンアゲハに,1)大形, 2)後翅表面の青緑色大斑の形の相違を根拠としてPapilio Paris nakaharaiの亜種名を与えた.その後,台湾産ルリモンアゲハ P. paris hermosanus Rebelとオオルリモンアゲハ P. p. nakaharai Shirozuは五十嵐(1966) ,室谷ら(1967c)らによって論じられているが,詳細な分布や食草に問題を残している.近年来私は若干の知見を得ることができたので,ここに報告する.

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Surprising is the devlopment of the genus Athyma Westwood (Nymphalidae) in the small island of Palawan, where we could recognise nine distinct species and more than half of them are endemic to the island and the neighbouring Balabac Island. We describe an unique race of Athyma asura from Palawan Island. The species is distributed from Himalaya to south China and southwards to the Malaysian subregion, but has not hitherto been found in Palawan Island.

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The Thyrididae are a small family and 13 species belonging to seven genera have only been recorded from Japan. This paper deals with the classification of the pupae of eight species belonging to five genera of Thyrididae. Only Herdooics is very different from the others in this family not only in the larvae (Mutuura, 1958) but also in the pupae; however, it is considered that this genus is somewhat correlatical to most of Thyridid-genera. The pupae of Thyrididae excluding Herdooia are allied to those of Pyraustidae, especially in Epipasehiinae and Pyralinae, but are easily distinguishable from them by the forewing extending to the 5th abdominal segment. On the other hand, Herdonia is similar to Alucitidae and Pyraustid Schoenobiinae but is distinguished from Alucitidae in that the forewing extends to the 4th abdominal segment and the prothoracic leg is longer than the maxilla, and from Sehoenobiinae in that the labial palpus is wanted, the prothoracie coxa and troehanter never meet on the meson and the 8th abdominal spiraele is situated more dorsad. Moreover, it is very characteristic of Thyrididae that the appendix of prothoracic spiracle is present in some genera. The author is obliged to Messrs. Toshihisa Saito, Osaka, and Rikio Sato, Niigata, for the offering of the specimens.

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南米コロンビア北部のサンタ・マル夕山群,およびその周辺において,ドクチョウ亜科Heliconiinae(タテハチョウ科)に属する15種を記録した.その大部分の種は熱帯降雨林とその周辺に生息しているが,中にはAgraulis vallillaeやDryadula phaetusaのように熱帯の乾燥した荒地や牧場などの陽地にみられるものや, Helicconius (Eueides) edias, H. (Heliconius) clysonimusおよび H. (H.) eleuchius のように,熱帯の低地にはみられず,海抜1000〜2000mの亜熱帯の地域にみられるものもある.またDione glyceraはさらに高地にすみ,海抜2000 m以上の温帯に多くみられ,その垂直分布の上限は海抜3000m以上に達している.H. (H.) ethillusには2つの型,melicertusとsemiflavidus がみられ,前者はこの山群の西北部から,後者はその東南部から発見された.H. (H.) melpomeneとH. (H.) eratoとのあいだには,ミューラーの擬態の関係がみられ,ともに黒地に赤紋をもった型が分布している.

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