There are about 36 spider species in New Hampshire belonging to famous families like the cobweb, cellar, orb-weaver, and huntsman. The potentially harmful spiders found in New Hampshire include the brown recluse, broad-faced sac, and the black widow.
Common spiders: American House (Parasteatoda tepidariorum), Goldenrod Crab (Misumena vatia), Parson (Herpyllus ecclesiasticus), Banded Garden (Argiope trifasciata), Labyrinthine Orb Weaver (Metepeira labyrinthia), Woodlouse (Dysdera crocata), Bold Jumper (Phidippus audax), Carolina Wolf (Hogna carolinensis)
Largest spider: Carolina Wolf (Hogna carolinensis)