Johnson Jumper, female (Phidippus johnsoni) — This beautiful species of jumping spider is one of the largest jumping spiders in North America. Adults tend to be about a centimeter in length. Both sexes have a bright red abdomen — the male’s is entirely red and the female’s has a black mark down the center. Their chelicerae (mouth parts) are a beautiful teal color. Photo by Olivia Gordon on 6/12/17 in Missoula, MT.