Possible migration of the Asian citrus psyllid, Diaphorina citri Kuwayama ( Homoptera : Psyllidae ) between and within islands

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  • カンキツグリーニング病を媒介するミカンキジラミ(半翅目、キジラミ科)の移動について

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Notorious Citrus greening disease vector, the Asian citrus psyllid seems to flight passively and its flight probably depends on wind, because it has very weak flight muscles, relatively big wings. Within a flat and small isolated island as Yoron Is., migration of the psyllid will be governed by seasonal winds. In June-July, September and late October, the population density of the psyllid per a fresh shoot of orange jessamine gets so higher, that the psyllid female must migrate to find a fresh shoot of citrus for oviposition. It is possible for the psyllid to migrate the main island of Kyushu over sea by riding lower jet airstream associated with summer monsoon.

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