southern black widow spider - latrodectus mactans

american animal apalachicola arachnid biology bite black bug close coloration control dangerous deadly ecology eerie eggs entomology female florida garden hourglass insect integrated latrodectus latrotoxin legs mactans management markings metal natural neurotoxin nuisance pest poison poisonous popular research sac science silk southern species spider spring steel strength strong summer venom venomous web widow wild wildlife