Insect populations including butterflies are declining worldwide, and they are becoming an
urgent conservation priority in many regions. Understanding which butterfly species migrate …

Aerial dispersal using silk ('ballooning') has evolved in spiders (Araneae), spider mites
(Acari) and in the larvae of moths (Lepidoptera). Since the 17th century, over 500 …

Insects are not dinosaurs–and they probably pose us more strange
ACKNOWLEDGEMENTS puzzles and unexpected questions. A million extant species, that …

Scientists rely on food webs—complex networks that trace the flow of nutrients and energy
between species and through ecosystems—to understand the infrastructure of ecological …

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; …

For organisms that fly or swim, movement results from the combined effects of the moving
medium—air or water—and the organism's own locomotion. For larger organisms …

Effects of daily changes in weather on numbers of birds taking off on migration have been
investigated for many decades. This field was especially active in the 1960s and 1970s …

The fall armyworm (FAW), native to the Americas, has rapidly invaded the whole of Southern
China since January 2019. In addition, it can survive and breed in the key maize-and rice …

Atmospheric conditions strongly influence ecological systems, and tools that simplify the
access and processing of atmospheric data can greatly facilitate ecological research. We …

Every year billions of butterflies, dragonflies, moths and other insects migrate across
continents, and considerable progress has been made in understanding population-level …