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article/chapitre/communication
C. Muller ; I. Williams ; J. Hardie | 20011. Winged morph production in aphids is a phenotypic trait that has traditionally been seen as a response to unfavourable environmental conditions. The evidence to support this theory is reviewed and the ecological and evolutionary significance [...]article/chapitre/communication
W. Weisser ; C. Braendle | 2001Aphids (Homoptera: Aphidoidea) produce a number of different phenotypes in their life-cycle, among which are winged (alate) and wingless (apterous) morphs. Lowe & Taylor (1964) and Sutherland (1969 a, b) were the first to suggest that aphid clon[...]article/chapitre/communication
article/chapitre/communication
Winged and wingless individuals of a pink clone of the pea aphid, Acyrthosiphon pisum (Harris), showed differences in the response curves for photoperiodic induction of both males and sexual females (oviparae). The critical night length (CNL) fo[...]article/chapitre/communication