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.

German Cockroach
A small, fast-moving light brown to tan roach marked with two dark parallel stripes running down its pronotum, most often seen scurrying for cover in warm, moist indoor areas.
other
Cockroach Egg Case
A small, purse-shaped, ridged capsule that houses dozens of developing cockroach eggs, its size, color, and shape offering telltale clues to which species produced it.
other
Brown-banded Cockroach
A small, glossy tan-brown cockroach marked with two light bands across its wings, often found tucked into furniture and warm upper rooms rather than kitchens and bathrooms.
other
Oriental Cockroach
A dark, matte blackish-brown cockroach with short wings that do not cover the abdomen, especially in females, and a preference for cooler, damper hiding spots than most other common cockroaches.
other
Pearl Crescent
A small, orange-and-black checkered butterfly that is one of the most abundant and widespread species in open fields across the continent, easily recognized by its crescent-shaped pale marking on the hindwing underside.
butterfly
Deer Tick
A small, dark-legged tick with a reddish-brown, teardrop-shaped body, noticeably smaller than many other common tick species and often found questing in wooded or grassy edge habitats.
arachnid
Green Peach Aphid
A small, pale yellow-green aphid with an exceptionally broad host range, recognized as one of the most widespread and adaptable aphid species found on garden vegetables, ornamentals, and stone fruit trees.
true-bug
Viceroy Butterfly
An orange-and-black butterfly closely resembling the monarch, distinguished by a smaller size and a distinctive black line crossing the veins of the hindwing, and long cited as a classic example of mimicry between two unrelated species.
butterfly
Picture-Winged Fly
A small fly whose clear wings are decorated with bold bands, spots, or intricate patterns, often waved and flicked in slow, deliberate displays that give the impression of a tiny fan being opened and closed. Some species even raise their patterned wings above the body and walk sideways in courtship displays reminiscent of a strutting peacock.
fly