Recent News The future of monarch butterflies 3 Sep 2025September 3, 2025 Written by Michael Adu-Brew, Jillian Stewart, Michael Zhao, and Niranjana Krishnan. My students/staff and I co-wrote this piece back in January 2025, soon after the U.S. Fish and Wildlife Service…
Special Topics What to Know Before Applying Pesticides in Your Garden 11 Aug 2023 Featured image: Before using a pesticide, read the label. Image source: Oregon Department of Agriculture, CC. This post was originally published in Maryland Grows Blog. You have a pest problem in your garden…
Recent News Maryland Pesticide Newsletter 20 Mar 2023September 3, 2025 I recently started as an assistant professor in the Department of Entomology at the University of Maryland, College Park. As part of my extension duties, I am serving as Maryland's…
Recent News Pesticide updates from the EPA 27 Nov 2022February 3, 2023 The EPA Office of Pesticide Programs (OPP) regularly shares updates via this link (you can also sign up for updates). Over the last three months, the OPP tackled multiple issues,…
Recent News EPA’s plan to keep up with ESA 22 Apr 2022April 30, 2022 Workplan reference: https://www.epa.gov/endangered-species/epas-workplan-and-progress-toward-better-protections-endangered-species#workplan Feature image: https://www.epa.gov/endangered-species The EPA recently announced that it will evaluate the potential effects of all new pesticide active ingredients on federally endangered or threatened (i.e., listed)…
Basics of Toxicology Designing good ecotoxicology studies 17 Nov 2021November 17, 2021 Featured image: A conceptual model to explain how monarch butterflies could be exposed to insecticides used in Midwest agriculture. Figure obtained from Krishnan et al. (2021). As an insect toxicologist,…
Special Topics Can exposure to insecticides impact monarch butterfly conservation? 24 Jun 2021December 29, 2021 Featured image: Monarch caterpillar photo was taken by Aaron Eckley at Iowa State University. This was originally published by Iowa Monarch Conservation Consortium: https://monarch.ent.iastate.edu/can-exposure-insecticides-impact-monarch-butterfly-conservation. The question posed in the title…
Special Topics Discovery of a novel neonicotinoid insecticide effect 30 Jan 2021December 29, 2021 Featured image was taken from Wikimedia commons: https://commons.wikimedia.org/wiki/File:Lepidoptera_Diversity.jpg This article (slightly edited below) was published in Department of Entomology newsletter at Iowa State University: https://www.ent.iastate.edu/department-entomology-alumni-news-2021 Niranjana Krishnan writes: I started…
NAS reports Assessing risk to endangered species 5 Jan 2020February 24, 2022 Featured image: The Golden Toad was last recorded in 1989. Source: U.S. Fish and Wildlife Service (obtained from Wikimedia Commons) The “Assessing Risk to Endangered and Threatened Species from Pesticides”…
Recent News Can your pet’s pest control product harm you? 2 Dec 2018December 29, 2021 Featured image: A dog is being treated with a flea and tick powder (CDC Public Health Image Library) This post was originally published in Envirobites If you have put a…
Special Topics Precision Pesticides 13 Nov 2018November 3, 2019 This post was originally published in ICM Blog Pesticides are substances that are designed to control pests. Every year, nearly six billion pounds of pesticides are applied worldwide. In agricultural…
Recent News At risk from atrazine? 2 Oct 2018December 29, 2021 Featured image: Atrazine use in the United States in 2016. Photo taken from U.S. Geological Survey website This post was originally published in Envirobites Atrazine is one of the most…
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