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Effect of Temperature on the Growth of the Water Strider, Gerris Paludum insularis (Gerridae, Heteroptera)

Journal of Ecology and Environment / Journal of Ecology and Environment, (P)2287-8327; (E)2288-1220
2004, v.27 no.6, pp.369-373

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Abstract

The water strider, Gerris paludum insularis, was reared in a growth cabinet at two constant temperatures and ≈20℃ under a 16:8 (L:D) photoperiod. Differences in head width among three temperatures of ≈20℃, 25℃ and 30℃ in G. paludum insularis, were compared. Temperature affected growth of head width of G. paludum insularis. There were highly significant differences among head width for three temperature regimes and the immature stages. It was found that head width is greater in 30℃ than 25℃ and ≈20℃. The growth quantity of the head width in ≈20℃ shows the slowest increase, and 25℃ and 30℃ were gradually increased in that order. The maximum ratio of growth quantity by each stage is in the first instar in all regimes. The growth rates of all regimes show an increase pattern.

keywords
Dyar's law, Gerris paludum insularis, Growth, Quadratic equation, Rearing, Temperature, Dyar's law, Gerris paludum insularis, Growth, Quadratic equation, Rearing, Temperature

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Journal of Ecology and Environment