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Israel Journal of Entomology
Maladera matrida Argaman was first reported from Israel in the late 1970's and was subsequently described as a new species. Shortly thereafter, this species has become a serious pest of ornamental plants and agricultural crops. In this study we identified external anatomical features for distinguishing between the three larval instars and between the two sexes of pupae and adults collected in the field. Larval instars may be divided as follows: first instar, head width less than 1.8 mm; secondfatcat:x32ys32nmvfg3ckrm4g6btreka