John Losey
Professor, Department of Entomology
My research, teaching and outreach interests all revolve around the management of insect populations. My program has two complementary foci the management of pest insect populations and the management of endangered or declining insect populations. I am very interested in the processes that make some insect species so numerous that they become pests while others decline so quickly that they become rare or even extinct. My goal is to educate my peers, my students, and the general public on the importance of insect biodiversity and conservation.
Awards & Honors
- Champion of Change Award Nominee White House Office of Science and Technology Policy
Courses Taught
- BSOC 3441: Insect Conservation Biology
- ENTOM 3440: Insect Conservation Biology
- ENTOM 4990: Undergraduate Research in Entomology
John in the news

News
A survey has found that endangered and threatened insects and spiders, as well as common species that provide valuable ecological services, can be easily purchased – without adequate oversight – through basic internet searches, according to a new Cornell study.
- Ecology and Evolutionary Biology
- Department of Entomology
- Natural Resources and the Environment

News
That’s because a diet consisting solely of aphids lacks an essential nutrient –sterols, like cholesterol – which all male animals need to make sperm, hormones, and to maintain cell health. As a result, farm-friendly aphid-eating ladybugs...
- Food
- Plants
- Entomology