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Données sur l'Écologie d'Un Hétéroptère Lygaeidae d'Une Lande Littorale Armoricaine Xérophile

Données sur l'Écologie d'Un Hétéroptère Lygaeidae d'Une Lande Littorale... Summary Ten species of Heteroptera Lygaeidae were recorded in the xerophilous dwarf heathland of Cap Frehel (in the West of France). One of them: Kleidocerys truncatulus ericae (Horvath) 1909 is related to Ericaceae. The different stages of its biological cycle are described. The relation insect host-plant is shown during the reproduction (the females lay their eggs on the inflorescences of Erica cinerea L., and during the development of the larvae, the latter pierce the ovaries of the flowers of this species. It is also demonstrated that the repartition of K. truncatulus ericae in the biotope depends on: — the phenological heterogeneity of the vegetation; — the climatic conditions of the region: the role of the temperature on the fluctuations of the size of the adults' and larves' population allows us to specify the thermophil caracter of the species; — the intrinsic factors of the population (physiological state). The cycle of the diurnal migratory activity of the species is examined. We think that the maximum activity of the deplacement takes place in the middle of the afternoon during spring time, and it is probably related to trophic needs. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Annales de la Société entomologique de France (N S ) Taylor & Francis

Données sur l'Écologie d'Un Hétéroptère Lygaeidae d'Une Lande Littorale Armoricaine Xérophile

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Publisher
Taylor & Francis
Copyright
© 1979 Société entomologique de France
ISSN
2168-6351
eISSN
0037-9271
DOI
10.1080/21686351.1979.12278215
Publisher site
See Article on Publisher Site

Abstract

Summary Ten species of Heteroptera Lygaeidae were recorded in the xerophilous dwarf heathland of Cap Frehel (in the West of France). One of them: Kleidocerys truncatulus ericae (Horvath) 1909 is related to Ericaceae. The different stages of its biological cycle are described. The relation insect host-plant is shown during the reproduction (the females lay their eggs on the inflorescences of Erica cinerea L., and during the development of the larvae, the latter pierce the ovaries of the flowers of this species. It is also demonstrated that the repartition of K. truncatulus ericae in the biotope depends on: — the phenological heterogeneity of the vegetation; — the climatic conditions of the region: the role of the temperature on the fluctuations of the size of the adults' and larves' population allows us to specify the thermophil caracter of the species; — the intrinsic factors of the population (physiological state). The cycle of the diurnal migratory activity of the species is examined. We think that the maximum activity of the deplacement takes place in the middle of the afternoon during spring time, and it is probably related to trophic needs.

Journal

Annales de la Société entomologique de France (N S ) – Taylor & Francis

Published: Apr 30, 1979

Keywords: Hemiptera; Lygaeidae; Kleidocerys truncatulus ericae; phénologie; biologie; écologie; Ericacées; landes; Bretagne

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