Albert Barnes Commentary Proverbs 30:28

"The lizard taketh hold with her hands, Yet is she in kings` palaces." — Proverbs 30:28 (ASV)

Spider - Rather, the Gecko (or Stellio), a genus of the lizard tribe, many species of which inhabit houses, make their way through crevices in the walls, and with feet that secrete a venomous exudation catch the spiders or the flies they find there.