close up of a male black pseudeuophrys erratica jumping spider.

acuity agile ambush america animal arachnid arthropod bark black body bug chelicerae chelicerata close closeup crawling creepy curious eight erratica eyes fangs flying hairy hunter hunting insect invertebrate island jointed jumping legs limbs long macro male mouthparts nature north predator predatory prey pseudeuophrys salticidae segmented spider states tree united visual white wildlife york