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    Exploitation of a woody host plant and cerambycidassociated volatiles as hostfinding cues by the larger grain borer (Coleoptera: Bostrichidae)

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    Date
    1998
    Author
    Borgemeister, C.
    Goergen, Georg E.
    Tchabi, A.
    Awande, S.
    Markham, R.
    Scholz, D.
    Type
    Journal Article
    Metadata
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    Abstract/Description
    We collected twigs of Lannea nigritiana (Sc. Elliot) Keay attacked by the girdling cerambycid Analeptes trifasciata F. in the Lama forest of central Benin, West Africa. Emergence data from A. trifasciata wood samples revealed a diverse insect fauna, which consisted of 27 primarily coleopteran species of 8 different families. More than 70% of the identified insects were bostrichids. We report an association of the exotic larger grain borer, Pmstephanits tnmcatiis (Horn), and its introduced natural enemy, the histerid predator Teretriosoma nigrescens Lewis, with twigs girdled by an indigenous cerambycid. We found more P. truncatus directly above the girdling site than elsewhere. P. truncatus is not attracted to volatiles emitted by adults or larvae of A. trifasciata but is significantly attracted to odors of cerambycid frass, as well as to girdled and mechanically damaged L. nigritiana twigs. We discuss these results with regard to the host-finding behavior of P. truncatus.
    https://doi.org/10.1093/aesa/91.5.741
    Multi standard citation
    Permanent link to this item
    https://hdl.handle.net/20.500.12478/4063
    Digital Object Identifier (DOI)
    https://doi.org/10.1093/aesa/91.5.741
    IITA Subjects
    Maize; Cassava; Pests Of Plants; Climate Change
    Agrovoc Terms
    Prostephanus Truncates; Teretriosoma Nigrescens; Cerambycidae; Twig Girdling; Host-Finding Behavior; Olfactometer
    Regions
    Africa; West Africa
    Countries
    Benin
    Collections
    • Journal and Journal Articles4835
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