Scientific name Linoc10stis gonatias Meyrick Lepidoptera, wood moth family. Alias ​​tea heap sand cake, tea tree wood moth, tea eat worm. The distribution is basically the same as that of the tea tree distribution areas, with occurrences in Anhui, Hunan, Jiangsu, Zhejiang, Sichuan, Guangdong, Guangxi, Yunnan, Guizhou, and Taiwan.
Host tea tree, Camellia, Acacia and so on.
The larvae of the newly hatched larvae spit with 2 leaves inhabiting the epidermis and the leaves. After the third instar, they began to infest the shoots and spit silk to bind the wood chips and insects, forming a yellow-brown sand mesh bag. Some break into the stem division and destroy the transmitting organization.
Morphological characteristics Adult body length 8-10mm, wingspan 19mm, head and facial brown, silvery white shiny scales on the wings, no pattern, fore wings, hind wings edge hair silvery white. Ovoid, creamy yellow. The last-instar larvae are 15 mm in length and have a reddish-brown head with a dark brown, hard palate. The chest is red-brown. The abdomen had 6 pairs of black dots, 4 pairs in the front row and 2 pairs in the back row. One fine hair was placed on the black spots. It is 8mm long, cylindrical, red-brown or tan, and has a pair of triangular spikes at the end of the abdomen. (Figure left)
Life habits 1 generation, only 2 generations old in Taiwan, with mature larvae in the affected branches overwintering. In May of the following year, the larvae were bred and emerged in June. The eggs were laid on the back of young leaves. In early July, they entered the period of eclosion. In mid-July, the eggs hatched as larvae, and the generations overlapped. Adult life of 3-5 days, phototaxis. The larvae are afraid of the light. They live in the insects' path, and some move the old leaves into their nests for feeding. Larvae more than 300 days, after the old cooked in the insects in the road to do phlegm.
See mulberry sand pots for control methods.
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