Tea tree white tussock moth

Scientific name Noto10phus australis posticus Walker is a lepidopteran, poisonous moth family. Alias ​​caterpillars, caterpillars, ancient cotton moth and so on. Distribution of Guangdong, Yunnan, Taiwan and other places.

Host tea, cotton, strawberry, gourd, asparagus, radish, peach, grape, citrus, pear, mango and more than 70 kinds of crops.

Injury features Newly hatched larvae colonize the leaves and then gradually disperse, feeding on the stamens and leaves. Leaves are eaten as nicks or holes.

Morphological characteristics Adult males are about 24mm long, yellow-brown, with dark stripes on the front wings; female wings are degraded, all yellow-white, long oval, body length of about 14mm. Egg white, smooth. Larvae are 22-30mm long. The head is reddish-brown with light reddish-brown body, and the body is covered with hairy masses, and each side of the head has long hair l bundles. Each side of the chest has a pair of yellow and white hairs, and the back of the tail also grows hairs. bundle. The abdomen has an aversion gland. After the larvae have matured, the silkworms can be spun between the leaves or branches, and the larvae can be turned into pods. Carcass tan.

Life habits Taiwan's 8-9 year old generation, from March to May occurred more. After adult emergence due to poor flight, after mating eggs in the cocoon, female moths often cling to cockroaches, waiting for the male moths come together, egg mass, often covered with egg moth body hair. The newly hatched larvae have colony characteristics. The worms begin to disperse after they grow older. Occasionally, more than 10 larvae can be seen together. The old mature larvae spin on the leaves or branches to make pupa. The larvae are often covered with larvae. Insect mites are often smaller than females.

Control methods (1) Before the third instar spray 10% imidacloprid wettable powder 2500 times or 50% enemy music mixture l000 times, 20% methomyl EC 2000 times, 50% phoxim EC 1000 to 1500 times.

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