Abnormalities of the Antennae, Elytra, and Head Position in the Pales Weevil, Hylobius Pales (Coleoptera: Curculionidae)
Abstract
The following abnormal conditions were observed in the adult pales weevil, Hylobius pales (Herbst): branching antennae with multiple clavolae; twisted and shortened elytra; head recessed into prothorax. None of the matings between normal adults and those with twisted and shortened elytra or between normal adults and those with head recessed into prothorax were successful. Only normal offspring were produced in the F"1 and F"2 progenies from matings between adults with branched antennae and normal adults.Downloads
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