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Cowpea aphidleguminous plant, outdoors crop, tree pest
 
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winged cowpea aphid  adult
Cowpea aphid
Hemiptera aphids (Homopause aphids)

О Scientific name : Aphis craccivora (Koch)
О English name : cowpea aphid
О Size : The body length of winged one is around 2.2mm and non-winged one's is around 2.3mm
О Host : bean, kidney bean, acacia, a kind of locust tree, and leguminois plant.
О Distribution : Korea, China, Japan, Southeast Asia, India and more.

 
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non-winged cowpea aphid adult
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cowpea aphid nymph
The body length of non-winged female adult is around 1.5mm or less. You can see glossy black on their body. The cowpea aphid nymph is reddish brown and covered white powder.

 
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cowpea aphid nymph
They live together on new branch and suck its juice. Therefore, the growth of damaged branch slows down. The non-winged females stay over the coldest season as an adult. The population of non-winged female and winged female are high. The adults and nymphs appear from spring to fall.
 
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Damaged acacia flower

 Translated by Sunyoung Cho

Other articles by Teokgi ParkInterviewed on : 2016.10.01 03:41

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#Hemiptera#aphid#psylla#leguminous plant#

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