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Cabbage aphidgreen vegetable pest
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Winged cabbage aphid adult
Cabbage aphid
Hemiptera aphid 

О Scientific name : Brevicoryne brassicae (Linnaeus)
О English name : Cabbage aphid
О Size : the body length of winged cabbage aphid adult is 2.2 mm, and non-winged one is   2.3 mm
О Host : radish, cabbage, canola, Chinese cabbage, salary and more.
О Distribution : South Korea, Japan, Taiwan, Europe, America and more. (You can find it all over the world).
 
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Non-winged cabbage aphid adult
  The head of cabbage aphid nymph is black and its compound eyes are dark red. Its feelers are black and its 3rd segment of its feeler is lighter. Its front chest is black and there is a green line on the front and back. Other then that it is black. Its wings are transparente colorthe pattern of wings is gray and its wing vein is dark color. Its belly is greenish gray, there is 6 black lines on the back and side skin flaps are black. Its Cornicle and edge is greenish black. There is a small bump on its head and it is smooth. Moreover, the length of stiff hair is regular size.  
 
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Cabbage aphid nymph
The head of non-winged cabbage aphid is black and its compound eyes are balck.  The color of its body is greenish gray, its upper part is smooth and its front head is little bit haggard. The length of its stiff hair is regular size. Its cornicle is short and smooth and its central part is little bit convex. There is several vertical lines and a border on the edge of its body. 
 
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early-instar cabbage aphid nymph
 It generally stays on crucifer like cabbage and Chinese cabbage which have wide leafs and canola, radish and more all through the year. It appears from spring. Damaged crops look like it is covered by flour.
 
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A group of cabbage aphid behind a canola leaf
 
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Canola got damaged by cabbage aphid
Photo by Teokgi Park
Translated by Sunyoung Cho
















 

Other articles by Teokgi ParkInterviewed on : 2018.10.29 07:10

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#Hemiptera#Aphid#Homoptera#Brevicoryne#green vegetable#cabbage#radish

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