Silverleaf whitefly extends range

Also in this issue:

Response of soils to sodic and saline conditions

New facilities to foster solutions for exotic pests

Lizards slay Lyme disease spirochetes

Introduction: Exotic pests

Center for Exotic Pest Research tackles controversy

Scientists see spike in Africanized bee numbers

Blessing or curse? Varroa mite impacts Africanized bee spread and beekeeping

Invasion biology: Rethinking our response to alien species

IPM helps control elm leaf beetle

Invisible invaders: Insect-transmitted viruses threaten agriculture

Persistent silverleaf whitefly exploits desert crop systems

Ravenous Formosan subterranean termites persist in California

Cracks affect infiltration of furrow crop irrigation

A better tick-control trap: Modified bait tube controls disease-carrying ticks and fleas