Mosquito larvae are seen in a puddle of water next to a creek on June 29, 2012 in Pleasant Hill, California. As reports of mosquitoes with West Nile...
Contra Costa County Mosquito and Vector Control District technician David Wexler inspects a carbon dioxide trap for mosquitos on June 29, 2012 in...
Contra Costa County Mosquito and Vector Control District technician David Wexler sprays BVA Larvacide Oil on standing water in a catch basin on June...
Contra Costa County Mosquito and Vector Control District technician David Wexler looks for mosquito larvae in a water sample from a creek on June 29,...
Mosquito larvae collected from a creek sit in a container on June 29, 2012 in Pleasant Hill, California. As reports of mosquitoes with West Nile...
Contra Costa County Mosquito and Vector Control District technician David Wexler carries a container of BVA Larvacide Oil before spraying a catch...
Contra Costa County Mosquito and Vector Control District technician David Wexler puts his boots in his truck before inspecting a creek on June 29,...
Contra Costa County Mosquito and Vector Control District technician David Wexler sprays BVA Larvacide Oil on standing water in a catch basin on June...
Contra Costa County Mosquito and Vector Control District technician David Wexler releases Gambusia affinis, more commonly known as mosquito fish,...
Mosquitos are seen inside a trap on June 29, 2012 in Pleasant Hill, California. As reports of mosquitoes with West Nile virus are increasing across...
Gambusia affinis, more commonly known as mosquito fish, are seen swimming after being released in a neglected pool infested with mosquitos at a...
Contra Costa County Mosquito and Vector Control District technician David Wexler inspects a neglected pool for mosquito larvae at a foreclosed home...
Contra Costa County Mosquito and Vector Control District technician David Wexler looks for mosquito larvae in a water sample from a creek on June 29,...
Gambusia affinis, more commonly known as mosquito fish, are seen swimming in a bag before being released in a neglected pool infested with mosquitos...
Contra Costa County Mosquito and Vector Control District technician David Wexler looks for mosquito larvae in a water sample from a creek on June 29,...
Contra Costa County Mosquito and Vector Control District technician David Wexler releases Gambusia affinis, more commonly known as mosquito fish,...
Contra Costa County Mosquito and Vector Control District technician David Wexler prepares to release Gambusia affinis, more commonly known as...
