Effects of temperature on mating duration, sperm transfer and remating frequency in Callosobruchus chinensis

Masako Katsuki, Takahisa Miyatake

Research output: Contribution to journalArticle

36 Citations (Scopus)

Abstract

Insect body temperature is usually determined by ambient temperature. Therefore, most biochemical and physiological processes underlying behavioural patterns are temperature dependent. Mating duration is also dependent on temperature, and therefore temperature should influence on sperm transfer and female remating frequency. In the adzuki bean beetle, Callosobruchus chinensis, we found negative relationships between ambient temperature and mating duration, sperm transfer and sperm transfer duration. Female remating frequency at lower temperature (17 °C) was lower than at other temperatures (25 °C and 33 °C). The physiological and behavioural significance of these results is discussed. The number of ejaculated sperm was significantly lower at 33 °C than at 17 °C; the effect of temperature on sperm transfer is discussed in relation to the intensity of female refusal behaviour directed against males.

Original languageEnglish
Pages (from-to)112-115
Number of pages4
JournalJournal of Insect Physiology
Volume55
Issue number2
DOIs
Publication statusPublished - Feb 2009

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Callosobruchus chinensis
Spermatozoa
spermatozoa
Temperature
duration
temperature
ambient temperature
Biochemical Phenomena
Physiological Phenomena
body temperature
Sperm Count
Beetles
Body Temperature
Insects
insects

Keywords

  • Adzuki bean beetle
  • Ejaculation
  • Polyandry
  • Remating inhibition
  • Sperm storage

ASJC Scopus subject areas

  • Insect Science
  • Physiology

Cite this

Effects of temperature on mating duration, sperm transfer and remating frequency in Callosobruchus chinensis. / Katsuki, Masako; Miyatake, Takahisa.

In: Journal of Insect Physiology, Vol. 55, No. 2, 02.2009, p. 112-115.

Research output: Contribution to journalArticle

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