female adult brown widow spider preying on an adult metallic tiger beetle

adephaga animal arachnid arachnida arachnids arthropod arthropoda attack beetle beetles brown black widow spider carabidae caraboidea cicindela cicindelinae coleoptera common tiger dangerous detail entomology fauna female ground insect invertebrate latrodectus geometricus macro megacephalina megacephalini metallic predation predator prey preying scarab spiders spiderweb tetracha theridiidae web wild wildlife adult species genus