Best Spider Identification Guides to Buy in October 2025
Spiders of North America (Princeton Field Guides)
Common Spiders of North America
Spiders of the United States & Canada: Easily Identify 158 Common Species (Adventure Quick Guides)
National Geographic Pocket Guide to Insects of North America: From Your Favorite Field Guide Experts
- COMPACT DESIGN FOR EASY OUTDOOR REFERENCE AND INSECT IDENTIFICATION.
- STUNNING VISUALS AND DETAILED DESCRIPTIONS ENHANCE THE LEARNING EXPERIENCE.
- AUTHENTICATED BY NATIONAL GEOGRAPHIC FOR TRUST AND CREDIBILITY.
National Wildlife Federation Field Guide to Insects and Spiders & Related Species of North America
- AFFORDABLE SAVINGS ON QUALITY READS-GREAT VALUE FOR BOOK LOVERS!
- ECO-FRIENDLY CHOICE: GIVE PRE-LOVED BOOKS A SECOND LIFE TODAY!
- THOROUGHLY INSPECTED FOR QUALITY: TRUST IN EVERY TURN OF THE PAGE!
Spiders and Their Kin: A Fully Illustrated, Authoritative and Easy-to-Use Guide (A Golden Guide from St. Martin's Press)
All Things Spiders For Kids: Filled With Plenty of Facts, Photos, and Fun to Learn all About Spiders
Illinois is home to two species of poisonous spiders: the black widow and the brown recluse. The black widow is a shiny black spider with a red hourglass shape on its abdomen. Its venom is toxic to humans and can cause muscle cramps, spasms, and other symptoms. The brown recluse is light to dark brown in color with a violin-shaped marking on its back. Its venom can cause tissue necrosis and other serious health issues. While these spiders are present in Illinois, bites are rare and can usually be treated with prompt medical attention.
How many non-lethal spider bites occur in Illinois?
There is no specific data available on the exact number of non-lethal spider bites that occur in Illinois. However, most spider bites in Illinois are non-lethal and do not require medical attention.
How many different species of poisonous spiders are found in Illinois?
There are four different species of poisonous spiders found in Illinois: the black widow spider, brown recluse spider, woodlouse spider, and yellow sac spider.
What is the most dangerous species of poisonous spider in Illinois?
The most dangerous species of poisonous spider in Illinois is the brown recluse spider (Loxosceles reclusa). The bite of a brown recluse spider can cause severe damage to skin tissue and can lead to necrosis, a condition where the tissue dies. Though bites are rare and fatalities are extremely rare, it is important to seek medical attention if bitten by a brown recluse spider.