The scientific name is Lema (Microlema) decempunctata Gebler is a Coleoptera, leaf armor family. Alias ​​ten point leaf A, dilute honey. Distributed in Inner Mongolia, Ningxia, Gansu, Qinghai, Xinjiang, Beijing, Hebei, Shanxi, Shaanxi, Shandong, Jiangsu, Zhejiang, Jiangxi, Hunan, Fujian, Sichuan, and Tibet.

Host 枸杞.

Injury is characterized by larvae and larvae that damage the leaves into irregular nicks or holes, leaving the veins behind. Lightly damaged leaves are contaminated with excrement, affecting growth and results; severe leaf, young shoots are damaged, affecting yield and quality.

Morphological characteristics Adult body length 4.5-5.8mm, width 2.2-2.8mm, all head and chest long and narrow, wide sheath wings. Head, antennae, pronotum, body ventral surface (except for both sides of the abdomen and the end of the red and brown), small scutellum, black and blue, coleopteran yellow-brown to red-brown, with 5 round spots of dark spots on each elytra. One shoulder was swollen, two in the middle and two in the middle, and the spots were often mutated, and some of them disappeared. Feet brown to reddish brown or black. The head has rough engraved points, the top of the head is flat, and there is 1 longitudinal groove in the center. The tentacles are stout black. The compound eyes are prominent on both sides. The front thoracodorsal plate is nearly square, and the two sides are slightly constricted. The surface is flat and there is no transverse groove. Small scutellation tongue, engraved line about 4-6 minutes. Eggs are oval and orange. Larvae body length 7mm, grayish yellow, black head, reflective, pronotum back black, separated in the middle, the back of each section with fine hair 2 rows, 3 pairs of chest feet, abdomen sections of the abdominal mask l sucker, so that Keep up with the foliage. The dragonfly is 5mm long, light yellow, with 2 bristles on the ventral side.

Life habits are 5th generation. Between April and September, various insect forms can be seen on the pupa. Adult worms inhabit the branches and leaves, laying eggs on the back of leaves or leaves, arranged in adult form. Both adults and larvae damage the leaves, and the larvae carry their own excrement, so they are called negative worms. After the larvae matured, they spewed white silk sticky and soil particles to form soil maggots, and phlegm in them.

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