The East Asian Insect Flyway: Geographical and Climatic Factors Driving Migration Among Diverse Crop Pests

The East Asian Insect Flyway is a globally important migration route stretching from the Indochina Peninsula and the Philippines through East China to Northeast China and northern Japan, although most migrants utilize only part of the flyway. In this review, we focus on long-range windborne migratio...

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Published inAnnual review of entomology Vol. 70; no. 1; pp. 1 - 22
Main Authors Hu, Gao, Feng, Hongqiang, Otuka, Akira, Reynolds, Don R, Drake, V. Alistair, Chapman, Jason W
Format Journal Article
LanguageEnglish
Published United States Annual Reviews 28.01.2025
Subjects
Animal Migration
Animals
Asia, Eastern
atmospheric circulation
Climate
Crops, Agricultural
Flight, Animal
Hemiptera - physiology
insect migration circuits
Insecta - physiology
moths
Moths - physiology
pest management
planthoppers
population pathways
Seasons
Wind
Asia, Eastern
insect migration circuits
moths
population pathways
pest management
atmospheric circulation
planthoppers
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Summary:The East Asian Insect Flyway is a globally important migration route stretching from the Indochina Peninsula and the Philippines through East China to Northeast China and northern Japan, although most migrants utilize only part of the flyway. In this review, we focus on long-range windborne migrations of lepidopteran and planthopper pests. We outline the environment in which migrations occur, with emphasis on the seasonal atmospheric circulations that influence the transporting wind systems. Northward movement in spring is facilitated by favorable prevailing winds, allowing migrants to colonize vast areas of East Asia. Migrants may be subject to contemporary natural selection for long flights as succeeding generations progressively advance northward. Overshooting into far northern areas from which there is little chance of return seems common in planthoppers. Moths are less profligate and have evolved complex flight behaviors that can facilitate southward transport in autumn, although timely spells of favorable winds may not occur in some years.
ISSN:0066-4170
1545-4487
DOI:10.1146/annurev-ento-012524-124018