Cereal aphids continue to be an important agricultural pest, with complex lifecycle and
dispersal behaviours. Spatially-explicit models that are able to simulate flight initiation …

Publisher Summary This chapter summarizes the conceptual framework that distinguishes
migration from other types of movement, and briefly outlines some of the methodologies …

Many migratory species have experienced substantial declines that resulted from rapid and
massive expansions of human structures and activities, habitat alterations and climate …

Migratory animals provide a multitude of services and disservices—with benefits or costs in
the order of billions of dollars annually. Monitoring, quantifying, and forecasting migrations …

An outbreak of the mountain pine beetle (Dendroctonus ponderosae Hopk.) in central British
Columbia, Canada, has reached an unprecedented size and intensity and has been …

Billions of organisms travel through the air, influencing population dynamics, community
interactions, ecosystem services and our lives in many different ways. Yet monitoring these …

Radar is at the forefront for the study of broad‐scale aerial movements of birds, bats and
insects and related issues in biological conservation. Radar techniques are especially …

In an experimental set‐up in and around Helsinki, Finland (60° N, 25° E), we have detected
pest insect immigration using weather radars and insect traps in the field. This study was …

The likely spread of the current spruce budworm (SBW; Choristoneura fumiferana [Clem.])
outbreak from high to low density areas brings to the forefront a pressing need to understand …

Knowledge of flight movement is crucial to an understanding of the ecology, behaviour,
genetics and evolutionary success of most insect species. However, all but the shortest …