Connections between locusts and people date back millennia and locusts remain a major
food security challenge today throughout the world. Locust biology is often linked to abiotic …

Radar has been used to study insects in flight for over 40 years and has helped to establish
the ubiquity of several migration phenomena: dawn, morning, and dusk takeoffs; …

The importance of weather as an influence on insect migration has long been appreciated
(47). The relation of migration to meteorological factors has been the subject of three …

This review begins with an outline of remote sensing techniques used in entomology and
then describes how they have been applied in 3 distinct areas: observation of insects …

Ecologists have quantified Orthoptera (grasshoppers and crickets) density in a wide variety
of conservation studies. Objective determination of Orthoptera population size is possible …

1 A case study is presented of the autumn migration of the brown planthopper, Nilaparvata
lugens (Stål), in the area of Nanjing in the People's Republic of China. The study was made …

A review of radar cross-section measurements of birds and insects is presented. A brief
discussion of some possible theoretical models is also given and comparisons made with …

▪ Abstract Wind-borne migration, in which migrants ascend to altitudes at which they are
transported downwind, has evolved independently in several insect orders. The use of a …

The autumn return migration of the beet armyworm Spodoptera exigua Hübner and other
insects in northern China was observed with radar and with a simultaneously-operated …

Four species in the genus of noctuid moths, Heliothis, are major agricultural pests
throughout the world. We propose that their pest status is due, in part, to their capacity for …