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Identification Basics

The foundational concepts behind any bug ID — entomology and arachnology, metamorphosis and molting, the exoskeleton, and the kinds of eyes arthropods actually have.

Entomology

Entomology

Arachnology

Arachnology

Metamorphosis

Metamorphosis

Instar

Instar

Molting

Molting

Larva

Larva

Pupa

Pupa

Exoskeleton

Exoskeleton

Compound eye

Compound eye

Simple eye in invertebrates

Simple eye in invertebrates

Arthropod

Arthropod