The scientific name Monolepta signata Olivier is from the order of Coleoptera. Alias ​​cotton four-leaf leopard, four-spotted spider mite, four-spotted long 3K fireflies. Distributed in Fujian, Yunnan, Guangxi, Guangdong, Sichuan, Tibet and other places.
Host corn, soybeans, cotton, peanuts and so on.
The characteristics of pests harm the soybean leaves or the nicks and holes.
Morphological characteristics Adult body length 3 - 4.5mm, width 1.8 - 2.5mm. Head, chest, abdomen, leg section orange, upper lip, small scutellum, mid-thoracic, posterior-thoracic-shoulder, zygomatic and tarsal, tentacles ends red-brown to dark brown, sheathing wings brown to dark brown, each There are 2 light-colored spots on the wings, located at the base and proximal part. The spots are notched in front of the spots, the head is bright, the engraved dots are thin or not visible, the small scutellum triangles, and the width of the prosthodontic plate is 2 times longer. many. The abdomen is yellowish-brown in ventral veins, black in the chest and abdomen, and yellow in body hair.
Living habits in Sanming area of ​​Fujian Province. Adults still endangered soybeans in late September. They laid eggs and laid eggs for winter.
For control methods, see Double-spotted Leafhopper.
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