Anisoptera close dragon fly green helicopter insect macro Nyberg Odonata summer sun UP arthropod dragonfly gauzy Hula Valley Israel natural nature perch red rest sit veins wings animal copulation couple dragonflies eye hang invertebrate mate mating pair suspend two wing beast beautiful beauty blue close-up closeup creature detail entomology epiprocta fauna head leaf leg life outdoors slim sympetrum transparent wildlife alone big bright brown bug country eyes flight flying hot insects landed legs light rock sitting small twig wild winged