Recognize brown recluse spiders. Cope with needless worry about Loxoceles reclusa and related Sicaridae. If you know what to look for (three pairs of two eyes, violin pattern on the carapace of the spider, "crazy legs" or "haywire legs," etc., it is not too difficult to recognize a Brown Recluse spider. Here are some "lineups" to give you some experience in recognizing the spiders that have the potentiality to cause medical problems. If you are not familiar with spiders, any rather large, brown spider may make you want to find out how to deal with the creature.  

Lineup One.

Lineup Two.

Lineup Three.