Bug Identifier

Bug Encyclopedia

Search and identify bugs & insects — beetles, butterflies, moths, ants, bees, spiders and more — with size, habitat, danger, behavior, and how to tell them apart.

American Dog Tick

American Dog Tick

A stout, mottled brown-and-silver tick that waits on grass blades with its front legs outstretched, ready to latch onto a passing host.

arachnid
Dog Tick

Dog Tick

A flattened, oval arachnid with mottled silvery markings that waits on grass tips and low brush for a passing host to climb aboard and attach.

arachnid
Brown Dog Tick

Brown Dog Tick

A uniformly reddish-brown tick with an elongated body, the brown dog tick is unusual among ticks for being able to complete its entire life cycle indoors around wherever dogs rest. It has spread to warm regions worldwide largely by traveling with its preferred host.

arachnid
Tick

Tick

A small, flattened, oval arachnid with a hard shield-like plate on its back that waits on vegetation and attaches to passing hosts to feed on blood, swelling considerably once fed.

arachnid
Wood Tick

Wood Tick

A flattened, ornately patterned tick that waits on low brush in the Rocky Mountain foothills, ready to grab onto large mammals passing within reach. Its mottled, shield-marked back makes it one of the more distinctive North American ticks to identify.

arachnid
Lone Star Tick

Lone Star Tick

Named for the single silvery-white spot on the back of the adult female, the lone star tick is unusually active for a tick, moving toward hosts rather than simply waiting for them to pass. Its reddish-brown, ornamented body makes it one of the easier North American ticks to identify at a glance.

arachnid
Giant Swallowtail

Giant Swallowtail

The largest butterfly in North America, a dark brown giant marked with a bold diagonal yellow band and yellow spotting that forms an X-like pattern when the wings are spread.

butterfly
Giant Leopard Moth

Giant Leopard Moth

A striking white moth patterned with bold, hollow black rings and dots resembling leopard spots, revealing an iridescent blue-black abdomen marked with orange when its wings part, making it one of the most eye-catching tiger moths in North America.

moth