Journal of Taiwan Agricultural Research

Author:Feng-Chyi Lin*, Yi-Chung Chiu, Meng-Yu Hsu, and Chin-Ling Wang

Abstract:

    Morphological characteristics of second instar larvae of suborder Terebrantia were studied for species identification.  Twelve common agricultural thrips belonging to six genera which include Dicromothrips corbetti (Priesner), Frankliniella cephalica (Crawford), F. intonsa (Trybom), F. williamsi Hood, Megalurothrips usitatus Bagnall, Microcephalothrips abdominalis (D. L. Crawford), Ripiphorothrips cruntatus Hood, Scirtothrips dorsalis Hood, Thrips alliorum (Priesner), T. hawaiiensis (Morgan), T. palmi Karny, T. tabaci Lindeman and the quarantine thrips F. occidentalis (Pergande) were examined.  Larvae of these species can be separated by their body color, size and shape of setae, presence of microtrichia, structure of plaques on integument, marginal processes on abdominal segment IX, and shape of sclerotised areas.

Key words:Thysanoptera, Thrips, Larva, Morphology, Identification

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