What does an agricultural entomologist do?
An agricultural entomologist studies insects that affect crops and livestock. That includes pests that damage plants, pollinators that support yields and beneficial insects that feed on pests. The goal is to understand how insects behave so growers can make informed decisions. Many also help identify unknown insects sent in by growers or the public.
Work may involve monitoring insect populations, studying life cycles, testing control options, identifying unfamiliar insects and advising growers or agencies.
Some entomologists focus on a single group of insects, such as bees, beetles or flies, and become the people others call for identification. Others focus on a crop and learn the pests and beneficial insects connected to it.
- Identify insects and their life stages
- Monitor populations with traps and field checks
- Test management options
- Teach growers and the public
Where do entomologists work?
Universities, extension services, government agencies, crop protection companies, consulting firms and research stations all employ entomologists. The USDA Animal and Plant Health Inspection Service and the Agricultural Research Service are examples of agencies that work on insect issues.
Some entomologists work mostly in labs, others in fields, and some in outreach. Roles often blend these duties.
Government agencies may hire entomologists for inspection, survey and emergency response work involving invasive insects. Check official agency pages for how those roles are described and what training is expected.
What education do entomologists usually need?
A bachelor's degree in entomology, biology, agriculture or a related field is common for entry roles. Research and university positions often require a master's degree or doctorate. Requirements vary by employer.
The BLS Occupational Outlook Handbook groups related work under agricultural and food scientists and zoologists. Check it for current pay and outlook, and confirm education needs in real job postings.
Beyond degrees, hands-on skills matter. Practice with a hand lens, keep careful labels and learn to key out insects using a field guide. These abilities show employers you can work independently.
What skills and traits help?
Careful observation and curiosity are the main traits. Entomologists look at tiny details, such as wing veins or leg shapes, to tell species apart. Patience and good record keeping are used constantly.
Communication matters too. Entomologists often explain findings to growers who need practical answers, not long scientific explanations.
Entomologists also use photography, statistics and basic computer tools. A student comfortable with spreadsheets and image software will find many parts of the work easier.
What about pesticides and safety?
Some entomology jobs involve pesticides, and rules about using or recommending them vary by state. Licensing and certification requirements differ, so check your state department of agriculture or extension service for current rules.
Fieldwork can involve heat, insects, rough ground and treated fields. Training and supervision matter, and workers should never handle chemicals without proper authorization and instruction. OSHA, NIOSH and extension publish safety information.
For anyone with allergies or concerns about stings, talk to a doctor and your teacher before doing fieldwork, and ask employers how they handle such needs.
How can students start now?
Learn the insects around you. Take a basic biology class, keep a notebook of what you see and use extension identification guides. A small insect collection, made with guidance from a teacher, can teach classification and careful labeling.
Join FFA or 4-H and ask whether your area has entomology projects or insect identification contests. Visit a university entomology department open house if one is available.
A good starting task is simply counting and recording what visits a patch of plants over several weeks. You will notice patterns that spark questions, which is how research begins.
What are the pros and cons?
The job offers variety, outdoor time and a direct link to food production and environmental health. It can also involve seasonal peaks, grant-funded projects that change and long stretches of detailed lab work.
People who enjoy small details and enjoy teaching often thrive. Ask working entomologists what surprised them about the career. Always ask what a typical week looks like in a particular role.
Compare the field with related careers, such as pest management, plant health inspection and pollinator conservation. You may find a role that suits you better than a general entomology job.
Your next steps
- Agricultural entomologists study insects that harm, help or pollinate crops.
- A bachelor's degree is common for entry roles, and research roles often need graduate study.
- Pesticide rules vary by state, so check with your state department of agriculture or extension.
- Learn local insects, keep a notebook and join FFA or 4-H.
Sources and further reading
Last reviewed: November 12, 2026. Written by the Ag Jobs & Careers Editorial Team. See our editorial policy.