Maize dress is special attract language of these aphid reporter Liu to photograph (picture origin: Northward news network) Jiang Lanjing of reporter of exercitation of full winged insect climbs to photograph on maize satchel (picture origin: Northward news network) Huhhot of xinhua net on September 27 report (reporter Deng Hua) come day after day, many small winged insect appeared inside urban district of Huhhot of metropolis of Nei Monggol Autonomous Region, group of bug are everywhere in ave lane, park and village the form of random in sky dance. The pedestrian on the road waves often driving winged insect, the life of citizens got be affected certainly. The reporter observes discovery, darkly of small winged insect is lubricious, body length about 3 millimeter, wing is the body about one times long. Winged insect mostly the occurrence of group, and like to adhere to go up in the clothings with the bright color such as yellow, orange. Station of check of establish of plant protection of Nei Monggol Autonomous Region is advanced Xiang of agronomist Home Liu tells a reporter, these winged insect belong to a kind of aphid. Before period of time because climate of this locality periphery is relatively wet, fit the unripe long requirement of aphid, caused a large number of breed. And climate becomes dry again now, aphid cannot be in this hibernate, migrate with respect to Xiangna. "The flight that should be such climate change and aphid appears what character caused the closest aphid in great quantities. " he says. According to Introduction Liu Jiaxiang, the circumstance that a large number of aphid appear should not last very long, aphid is met as air current slowly Xiang Na is mobile. And as future a few days drop in temperature the arrival of weather, once the air temperature requirement that fits them to live is changed, aphid nature disappeared. Liu Jiaxiang says, aphid is to cultivate feeding habits insect, rely on to absorb floral juice to make a living, it is pest of a kind of crop. Autumn harvest has begun now, the crop such as the corn that has not reaped in cropland matures basically already also. A large number of aphid that appear at this moment won't have too big effect to agricultural production. But aphid is in suit temperature to leave can fast many breed, the big canopy of establishment agriculture needs to adopt insect-resistant a few measure such as the net, had done close method, avoid aphid to invade. Relevant expert introduces, to human body health character, aphid is basic and harmless. But aphid because type of build or figure is too small, can enter nasal cavity and ear antrum carelessly a bit. Expert proposal, appear in aphid more season, everybody goes out guaze mask should be worn when travel, dress of move long sleeve, avoid direct contact can.