Tea tree tea plant coffee wood capsule moth

Scientific name Zeuzera coffeae Nietner lepidoptera, wood gnat moth family. Alias ​​coffee leopard moth, leopard moth moth, coffee black spot moth. Distribution Anhui, Jiangsu, Zhejiang, Fujian, Taiwan, Jiangxi, Henan, Hubei, Hunan, Guangdong, Sichuan, Guizhou, Yunnan.

Hosts tea, coffee, litchi, longan, citrus, pear, persimmon, alfalfa, peach, grape, jujube and so on.

Characteristics of the larvae The larvae feed on the xylem of the branches and bite out one row of fecal holes at a certain distance, and most of them peck up along the pith, resulting in branching or withering. The worms occur in the new tea area and are harmful to young tea plants. Adult eggs are laid on the shoots of young shoots. The larvae enter the shoots after hatching. When they descend, they can reach the base of the main stem, and often turn into the other shoots. When the branches are damaged, they are mostly from the diameter. About lcm trunk into. Each larvae can often harm 3-5 large tea branches.

Morphological characteristics, living habits, see cotton pests A cottonwood moth.

Prevention and control methods (1) Black light traps were set up during the adult stage. (2) Assassinate larvae, and use a thin wire to insert puncture repeatedly from the fistula hole or the defecation hole to puncture the larvae. (3) The victims should be cut off in time and burned or buried in a concentrated manner. They can be controlled within 1-2 years. (4) In combination with the control of other insect pests, 10% Bromma EC 1000 times, 20% chrysanthemum EC 1500 times, 20% Clama EC 2000 times, 2.5% Kungfu EC 3000 times, % killing and killing wolfberry oil 3000-4000 times, 30% peach Xiaoling EC 2500 times, 2.5% Uranus EC 1500 times. (5) When larvae first infiltrate into the phloem or sapwood surface, the wormhole is coated with 40% dimethoate diesel oil (1:9), and the effect is high.