The US Forest Service has made available these informative leaflets on forest insects and diseases. Users may browse the Master Directory by species common name or select the Western or Eastern directories. More than 170 leaflets are listed, from Mountain Pine Beetle to Two-lined Chestnut Borer; note that a few leaflets are available only in [.pdf] format, and not all are available online. Online...

Lately, a few insects not native to the North American continent have made headlines while making themselves at home. According to a recent study from the journal Science, a European fruit fly species, Drosophila subobscura, has replaced close to 95 percent of native North and South American fruit flies in the 20 years it has been in these climes. Even more striking is the fact that the non-native...