The early stages and biology of Minois nagasawae (Matsumura) (Lepidoptera: Nymphalidae, Satyrinae), an alpine butterfly endemic to Taiwan

Chia Lung Huang, Yu Feng Hsu

Research output: Contribution to journalArticle

Abstract

Minois nagasawae (Matsumua) is a relict species inhabiting the alpine zones of Taiwan. The genus belongs to the "Satyrus series," which is primarily Eurasian in distribution. We present the first observations of its host plants, biology, and morphology of the early stages. Two species of grasses, Brachypodium kawakamii and Deschampsia caespitosa (both Poaceae), were recorded as larval host plants. We confirmed that the eggs of M. nagasawae are dropped freely without attachment to the substrate and that five instars are required to complete larval development. Obligate winter diapause occurs in the larval stage, usually in the first or second instar. This biology is highly consistent with the closely related, temperate species Minois dryas (Scopoli), suggesting that M. nagasawae retains biological traits adapted to cool habitats even though it is restricted to an island dominated by a subtropical climate.

Original languageEnglish
Pages (from-to)325-334
Number of pages10
JournalProceedings of the Entomological Society of Washington
Volume113
Issue number3
DOIs
Publication statusPublished - 2011 Jul 1

Fingerprint

Nymphalidae
butterfly
butterflies
host plant
Taiwan
instars
host plants
Lepidoptera
Deschampsia cespitosa
relict species
Brachypodium
Biological Sciences
Dryas (Rosaceae)
plant morphology
diapause
plant biology
larval development
subtropics
Poaceae
grass

Keywords

  • Oriental
  • Palearctic
  • grass-feeder
  • immature morphology
  • relict
  • satyrid

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics
  • Insect Science

Cite this

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AU - Hsu, Yu Feng

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