EM Rounds - August 29, 2016 - Author: McCormack N
..."Before we discuss the various venomous spiders, let’s define the terms. Many individuals use the terms “poisonous” and “venomous” interchangeably but they’re not exactly the same. Poisons are typically secreted by a plant/animal (think poison dart frogs of the tropics) and are introduced into the body by ingestion or absorption through the skin. Venom, by contrast, is a substance that is actively injected into the body by the animal in question.
There is controversy regarding the number of venomous spiders in the United States. Some sources list only the black widow and the brown recluse spiders; other sources will also include the hobo spider. The CDC, for example, only lists two species; however, we will discuss the three classically considered venomous spiders..."



- BLACK WIDOW
- BROWN RECLUSE
- HOBO SPIDER