orb weaver spiders

arachnid predation predator silk glands arthropod cocoon entanglement entomology hunting technique insect capture entrapment natural nature orb weaver orbweaver ecology species orbweaving spider predatorprey interaction predatory behavior prey production threads silkspinning adaptations anatomy properties web strength 039 diet venom spiderling development spiderweb structure trap architecture construction design webbuilding webmaking process wrapping spiders macro close-up it's