female adult brown widow preying on a adult caterpillar hunter beetle

alternans animal arachnid arachnida arachnids arthropod beetle biodiversity black brown button calosoma carabidae caterpillar cobweb danger dangerous eggs female geometric geometricus grey ground hunter insect juvenile latrodectus macro nature orange orb orbweaver pest poison predator prey preying scary spider spiders spiderweb theridiidae venomous weaver web widow wildlife