Abstract
Feeding preference of melon thrips, Thrips palmi Karny (Thysanoptera: Thripidae) was evaluated on 21 Dendrobium cultivars and the bamboo orchid Arundina graminifolia (D. Don) Hochr. Pigmented flowers resembling the morphotype phalaenopsis from Phalaenanthe sections were preferred over nonpigmented phalaenopsis, Phalaenanthe × Ceratobium hybrids, and bamboo orchids. This study suggests the separation of susceptible cultivars from preferred cultivars as a pest management strategy for melon thrips control.
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