One black spot on each side of the body (hence the "twospotted" part of the name). Nymphs are similar to adults, but smaller. Figure 1. Photo David Cappaert, Michigan State University, Bugwood.org.

The twospotted spider mite (TSSM) is a plant-feeding mite that is an extremely widespread pest affecting nearly all crop plants (over 1000 plant species). TSSM is very small in size and requires ...

The black widow spider is one of the few venomous spiders found in the United States (venom is a type of poison). It is part of the arachnid family, which includes not just spiders, but ticks, mites, ...

Spiders are arachnids (as are ticks, mites, and scorpions), not insects ... In the US, the spiders to watch out for are: If you think your child might have a brown recluse or black widow spider bite: ...