Sex ratios and caste compositions in field colonies of the termite reticulitermes speratus in eastern Japan

Osamu Kitade, Hitoshi Miyata, Masahiro Hoshi, Yoshinobu Hayashi

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Caste compositions and sex ratios in field colonies of the subterranean termite Reticulitermes speratus were investigated in Ibaraki, Japan. The average worker ratio was 0.858 and similar to that found in R. flavipes. The soldier and nymph ratios were variable among nests. The sex ratio of workers within a colony was nearly equal (female rate = 0.503), but significantly female biased in soldiers (0.596) and nymphs (0.569). The variations of sex ratios for each caste among nests were the largest in nymphs. Highly female-biased nymph sex ratios observed in two nests possibly reflect the underlying genetic caste determination mechanism.

本文言語English
ページ(範囲)379-386
ページ数8
ジャーナルSociobiology
55
2
出版ステータスPublished - 2010
外部発表はい

ASJC Scopus subject areas

  • 昆虫科学

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