Cotton jacket

Scientific name Chondracris rosea rosea (De Geer) Orthoptera, Acridoidea. Distribution from the north of Liaoning, Inner Mongolia, Shanxi, Shaanxi, south to Taiwan, Hainan, Guangdong, Guangxi, Yunnan, from the east coast, west of Sichuan, Yunnan, Tibet.

Host cotton, bamboo, sugar cane, eucalyptus, coconut, casuarina, etc. In addition, rice, corn, sorghum, soybeans, millet, mung beans, cowpeas, sweet potatoes, potatoes, ramie, and vegetables are also harmed.

Injury features eaten leaves into nicks or holes.

The morphological characteristics of the male body length 45-5lmm, female 60-80mm, male forearm length 12-13mm, female 16-2lmm, body yellow-green, the base of the hind wings rose. The middle of the head, the pronotum along the middle ridge line and the ventral area of ​​the forewings are yellow stripes. The inside of the hindquarters is yellow, red, and red. Big head, slightly shorter than the length of the front thoracodorsal plate. The tentacles are filiform, reaching rearwardly at the base of the posterior femoral segment, and the midsection is 3.3-4 times as wide. The pronotum has a rough knob, the mid-long line arches, and there are 3 obvious transverse grooves to cut the mid-long line. The front edge of the prosthodontic plate protrudes angularly, and the posterior edge protrudes in a right angle. The middle and posterior thoracic plate produces rough tumors. The promontory has a long, conical, bulging bulge, which is curved posteriorly, reaching the mid-thorax and web at the top. The forewings are well developed and are long in the middle of the hind foot, and the hind wings are almost as long as the forewings. The upper ridge line on the upper part of the hind leg gut has fine teeth but no external thorns. The middle segment of the abdomen of the male abdomen is longitudinally split in the middle of the abdomen, with an anal triangle on the anal plate and a longitudinal groove in the middle of the base. The female anal plate is also triangular, with a central groove in the center. The central triangle of the posterior edge of the lower reproductive plate protrudes and the spawning flap is thick and short.

Living habits Henan generation l generation, wintering with eggs in the soil. The overwintering eggs of the following year are hatched in late May and enter into the prosperous period in early June. In mid-July, the emergence period of adult eclosion occurs. After September, the adults begin to lay their eggs for winter.

For prevention and control methods, see Sesame Pests for a short period of time.