Fruit tree pest

Yellow peach moth adult
Yellow peach moth adult

Yellow Peach Moth
 Order: Lepidoptera
 Family: Crambidae

▶Scientific name: Conogethes punctiferalis (Guenée)
▶Size: Adult body length about 15 mm; larva about 25 mm
▶Host plants: Chestnut, apple, pear, peach, quince, pomegranate, and 
   many others
▶Distribution: Korea, Japan, China, Taiwan, India, etc.

Yellow peach moth pupa
Yellow peach moth pupa

The adult moth is about 15mm long, with a wingspan of 25-30mm. The thorax and abdomen have black spots, and there are about 20 black dots on the forewings and about 10 on the hindwings. Fully grown larvae are about 25 mm long, with black spots and long hairs on each body segment. The pupa is a slightly angular, elongated oval shaped enclosed in a loose grayish-white cocoon. 

Late yellow peach moth larva
Late yellow peach moth larva

There are two generations per year. After overwintering as mature larvae in cocoons, the first-generation adults emerge in June and lay eggs on fruits such as peaches. A single larva may bore into and feed on several fruits.

Damaged chestnut tree by yellow peach moths
Damaged chestnut tree by yellow peach moths

The larval stage lasts about 20 days, and the pupal stage about 10 days. The second-generation adults emerge from late July to early August and mainly attack chestnut trees but can also damage apple, pear, quince, and pomegranate trees.

[Text source: National Crop Pest Management System, Korea]
 

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