Plexippus petersi is a species of jumping spider native to Asia that has been introduced to Africa and Pacific islands.

[3] The cephalothorax is longer than it is wide and is brown with two darker reddish-brown bands on the dorsal surface.

The abdomen is twice as long as it is wide and is yellowish-brown dorsally with two longitudinal darker brown bands which are broken posteriorly to give a pair of orangish spots on either side; the ventral surface is yellowish-brown and the spinnerets are greyish-brown.

Its range includes Africa, China, Japan, Indonesia, New Guinea, the Philippines, Vietnam,[4] Laos,[5] Cambodia,[5] India, Sri Lanka, Malaysia and Australia.

[2] Plexippus petersi is a house spider, living indoors, and admired for the skilful way it hunts and catches mosquitoes, flies and other invertebrates.