Wetland and Aquatic Research Center


WARC's insect research focuses on pollinator species, like butterflies and bees; their ecological role in critical ecosystems, like wetlands; and how these important organisms might be impacted by environmental contaminants, like pesticides.
Filter Total Items: 6
Date published: April 3, 2018
Status: Active

Effect of Chronic Neonicotinoid Insecticide Exposure upon Monarch Development

The long-term viability of monarch (Danaus plexippus) butterfly populations in North America is in doubt.

Date published: February 7, 2018
Status: Active

Relative Sensitivity of Adult Mosquitoes and Butterflies to Adult Mosquito Control Pesticides

Mosquito control on Department of the Interior (DOI) managed lands is a resource management challenge. The pesticides used to control mosquitoes may also affect nontarget organisms whose conservation is one of the primary responsibilities of resource managers.

Date published: April 26, 2016
Status: Active

Monarch Butterfly Utilization of Milkweed Plants Grown in Close Proximity to Corn Treated by a Neonicotinoid Insecticide (Seed Treatment)

Monarch butterfly populations have declined sufficiently to result in noticeably fewer overwintering at sites in central Mexico as in California.

Date published: March 18, 2016
Status: Active

An Inventory and Comparative Study of Bees, A Keystone Ecological Group in the Endangered Coastal Prairie of Louisiana

Much of Louisiana's coastal prairie has been converted to rice and sugarcane cultivation. USGS is inventorying bee populations in these areas to explore how effective restoration efforts have been.

Contacts: Larry Allain
Date published: March 18, 2016

Pollinator Germplasm as a Genetic Resource for Conservation

Honey bee colony failure is primarily due to the infestation of mites and agricultural pesticides, including neonicotinoids. USGS researches the impacts these have on honey bee reproductive capabilities.

Date published: February 25, 2016
Status: Completed

Mosquito Control Pesticide Impacts to Butterflies: Implications for Imperiled Butterfly Conservation on a National Wildlife Refuge

USGS researchers evaluate the impact of a pesticide on two imperiled butterfly species in the Florida Keys.