an assassin among predators the relationship between plant-ants, their host myrmecophytes and the reduviidae zelus annulosus刺客在掠食者plant-ants之间的关系,他们的主机蚁植物和reduviidae zelus annulosus.pdfVIP

an assassin among predators the relationship between plant-ants, their host myrmecophytes and the reduviidae zelus annulosus刺客在掠食者plant-ants之间的关系,他们的主机蚁植物和reduviidae zelus annulosus.pdf

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an assassin among predators the relationship between plant-ants, their host myrmecophytes and the reduviidae zelus annulosus刺客在掠食者plant-ants之间的关系,他们的主机蚁植物和reduviidae zelus annulosus

An Assassin among Predators: The Relationship between Plant-Ants, Their Host Myrmecophytes and the Reduviidae Zelus annulosus 1 1 ´ ´ ´ 2,3 1 Messika Revel , Alain Dejean , Regis Cereghino , Olivier Roux * ´ ˆ ´ 1 CNRS, UMR 8172, Ecofog (Ecologie des Forets de Guyane), Campus agronomique, BP 709, Kourou, France, 2 Universite de Toulouse, UPS, INPT, EcoLab, Toulouse, France, 3 CNRS, UMR 5245, EcoLab (Laboratoire d’Ecologie Fonctionnelle), Toulouse, France Abstract Tropical plants frequently live in association with ants that protect their foliage from defoliators. Among them, myrmecophytes have evolved mutualisms with a limited number of plant-ants that they shelter and feed, and, in return, benefit from some protection. Hirtella physophora (Chrysobalanaceae), for example, houses Allomerus decemarticulatus (Myrmicinae) that build gallery-shaped traps to catch large prey. In French Guiana, we frequently observed the assassin bug Zelus annulosus (Reduviidae, Harpactorinae) on the leaves of H. physophora. Here, we studied the distribution of Zelus annulosus among understory plants in the Guianese rainforest and found it only on pubescent plants, including H. Physophora, whether or not it was sheltering an A. decemarticulatus colony, but only rarely on other myrmecophytes. The relationship between Z. annulosus and its host plants is, then, also mutualistic, as the plant trichomes act as an enemy-free space protecting the nymphs from large predatory ants, while the nymphs protect their host-plants fr

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