Soybean aphid - JADAM Organic Farming

Soybean aphidleguminous plant pest

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non-winged soybean adult

Soybean aphid
Hemiptera aphid

О Scientific name : Aphis glycines Matsumura
О English name : soybean aphid
О Size : The body length of winged soybean aphid is 1.6mm
О Host : bean, wild soybean, and leguminous plant
О Distribution : Korea, Japan, China, Taiwan and more

The body length of winged one is 1.6 mm that it is quite small. Its head is black and its eyes are red. The color of its body is yellow. The length of its cornicle is 0.24 mm that it is shorter than feelers' terminals. Its cornicle is cylindrical and black.

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Soybean aphid nymph

the predator of soybean aphid, drone fly nympth

Soybean aphids appear 10 to 15 times a year. They stay over summer on leguminous plants and stay over the coldest season on a root of oriental chaff flower. Their hybernating eggs hatch out and become stem mother. They start to appear in the patch of beans in late June. During the middle of July, you can find a lot of soybean aphid. After July, the population slowly decreases.

Varipes sp., is parasitic on soybean aphid

Soybean aphid is the representation aphid which mainly damages leguminous plants. The home of this aphid is Korea. It is everywhere in Korea but the damage is not serious.