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Plant Pathology, Entomology and Microbiology

Find Your Program

Explore options for studying plant diseases, insects, microorganisms, and global diseases.

plant disease

Plant and Insect Diagnostic Clinic

Have a plant disease or pest problem?

The Plant and Insect Diagnostic Clinic (PIDC) is here to look at your specimen and provide you with a diagnostic report of plant problems and the identification of insects from the field, garden, and home.

kids studying insects

Insect Zoo

Spread Bug Love

A traveling outreach program interested in teaching kids (and adults) the importance of arthropods with a hands-on approach.

Fly - Copestylum anna
Placed by Eric Shultz 33 minutes ago in
Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Eristalinae » Volucellini » Copestylum » Anna's Bromeliad Fly (Copestylum anna)
Pachybrachis Sp.
Placed by Bruce Tilden 1 hour ago in
Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera)
2mm beetle
Placed by Bruce Tilden 1 hour ago in
Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera)
Tenebrionidae
Placed by Bruce Tilden 1 hour ago in
Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Beetles (Coleoptera)
Bug nymph
Placed by KenW 1 hour ago in
Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » True Bugs, Cicadas, Hoppers, Aphids and Allies (Hemiptera) » True Bugs (Heteroptera) » Unidentified Heteroptera nymphs and eggs
Small Syrphids - Paragus haemorrhous - male - female
Placed by KenW 1 hour ago in
Arthropods (Arthropoda) » Hexapods (Hexapoda) » Insects (Insecta) » Flies (Diptera) » "Aschiza" » Hover Flies (Syrphidae) » Syrphinae » Syrphini » Paragus » subgenus Pandasyopthalmus (Paragus subgenus Pandasyopthalmus) » Paragus haemorrhous

BugGuide

Images and information for insects, spiders & their kin

An online community of naturalists who enjoy learning about and sharing observations of insects, spiders, and other related creatures, BugGuide creates a knowledge base to help the online community. 

photo with flowers and an ISU building in the background

The PPEM Spring 2025 Newsletter is here!

Our students, staff, and faculty have been busy -- be sure to check out the full newsletter for more details! 

field

North Central IPM Center

Where science, programming, and education unite to protect the Midwest from harmful pests

A science-based approach to integrated pest management (IPM) in order to reduce risks to people, food supply and the environment. By using pest biology, environmental information and all other available technologies, we strive to reduce pest damage to tolerable levels, through the most economical means. 

Learn more