european black widow (latrodectus tredecimguttatus), a spider sits in the grass in its nest with killed insects

nest killed insects arthropoda chelicerata arachnida araneae araneomorphae theridiidae mediterranean black widow european latrodectus tredecimguttatus wildlife mactans spider spiders arachnid nature poisonous danger dangerous egg sacks arachnophobia bite caution animal toxic hunter killer deadly poisonousness karakurt steppe venomous neurotoxic