Abstract

In order to test the hypothesis that parents influence offspring body size, crosses between male and female Schistocerca americana of various sizes were made in the laboratory. Measurements of the offsprings' body characteristics were made after every instar. No correlation was found between the mother's characteristics and that of her offspring; however, paternal size was positively correlated with adult offspring body size. Other studies have shown that variation in the size of both males and females significantly affects reproductive success. Thus, the current study is significant in that a father can influence his offsprings' adult size.

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