Benchmark studies of insect populations are increasingly relevant and needed amid
accelerating concern about insect trends in the Anthropocene. The growing recognition that …

Many insect species are under threat from the anthropogenic drivers of global change.
There have been numerous well‐documented examples of insect population declines and …

Recent reports of dramatic declines in insect abundance suggest grave consequences for
global ecosystems and human society. Most evidence comes from Europe, however, leaving …

Insect declines are being reported worldwide for flying, ground, and aquatic lineages. Most
reports come from western and northern Europe, where the insect fauna is well-studied and …

Nature is under siege. In the last 10,000 y the human population has grown from 1 million to
7.8 billion. Much of Earth's arable lands are already in agriculture (1), millions of acres of …

In recent decades, entomologists have documented alarming declines in occurrence,
taxonomic richness, and geographic range of insects around the world. Additionally, some …

Sparked by reports of insect declines of unexpected extent, there has been a surge in the
compilation and analysis of insect time series data. While this effort has led to valuable …

There is mounting concern over the conservation status and long‐term trends in insect
populations. Many insect populations have been reported to be falling and many species …

Ecologists and conservationists have long studied global declines in biodiversity, but insects—
despite their abundance and diversity—are underrepresented in such assessments …

Recent regional reports and trends in biomonitoring suggest that insects are experiencing a
multicontinental crisis that is apparent as reductions in abundance, diversity, and biomass …