All insects have three pairs of legs.
A bug with six legs has six legs.
The roly-poly bug (aka pill bug, BB bug, and Armadillo bug) has seven pairs of legs for a total of 14 legs. It is classified as an isopod, a different type of arthropod than insects, which have six legs, or arachnids (e.g., spiders) that have 8 legs. The roly poly can roll up into a tight ball with its exoskeleton providing armor to protect it from predation.The related link below shows a diagram of the anatomy of the pill bug/roly poly.
A bug typically has six legs and two antennae.
A bug with 6 legs typically has 6 legs and 2 antennae.
exactly 6 legs
A bug with 6 legs and 2 antenna would have 6 legs and 2 antenna.
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A black bug with 6 legs and antenna is likely an insect. Insects are characterized by having three body segments (head, thorax, and abdomen), six legs, and usually one or two pairs of antenna. The color black is a common coloration for many insect species.
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six
Like all insects a water bug has six legs.
A ladybug is classed as an insect and therefore has six legs.