PURDUE EXTENSION ENTOMOLOGY · DIAGNOSTICS LIBRARY
Insect diagnostics
A growing collection of visual identification guides curated by the Insect Diversity and Diagnostics Lab. Choose a project below to browse its groups and species.
3Projects
1Live
Focus
Projects
Each project covers a distinct slice of Indiana’s insect fauna. Active projects open into a full diagnostic hierarchy; planned projects show a placeholder while content is being prepared.
Indoor Insects
Pests of homes and structures
Insects, arachnids, and small invertebrates that turn up indoors. Identification, habitat, and management for the species most frequently encountered.
8 groups→
In preparation
Lawn & Garden Insects
Pests and beneficials of turf and ornamentals
Beetles, caterpillars, true bugs, and pollinators across residential lawns, vegetable plots, and ornamental beds.
Coming soon→
In preparation
Beetles of Indiana
Coleoptera
Field reference to the beetle families and conspicuous species recorded across Indiana, with emphasis on diagnostic external characters.
Coming soon→