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Your Position :Home->Past Journals Catalog->2008年45 No.1

Bionomics of the sphingid Gurelca hyas
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Key Words:Gurelca hyas, bionomics, damage, control
Abstract:Gurelca hyas (Walker) injures the garden plant, Serissa foetida cv. ‘Aureovaiegata'. The larva eats the leaves and tender tops of its host. It has three generations per year in Hengyang area, Hunan Province. The old larva digs into the soil nearby the host plant and forms a soil-chamber to pupate. Thepupa overwinters in the chamber. The adult of over-wintering generation emerges in the first ten days of August. The larvae undergo 5 instars and most larvae can change their body color during the development. The larva of the first, second and third generations hatches in the mid-August, mid-September and midOctober respectively, all of which can cause serious damage to the host.
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