Bernard Castelein / Small copper butterfly {Lycaena phlaeas} on flower. Kalmthoutse Heide, Belgium

Bernard Castelein / Common Hawker (Aeshna juncea) close up of eyes and wings, Wuustwezel, Belgium

Tim Laman / Hercules /Australian atlas moth (Coscinocera hercules) in the wild in Southern Highlands Province, Papua New Guinea.

Tim Laman / Dragonfly perched on a stem in the Karawari River vicinity, East Sepik Province, Papua New Guinea.

Shattil & Rozinski / Close of pattern on wing of Papilionidae butterfly, Sri Lanka

Shattil & Rozinski / Close of pattern on wing of Papilionidae butterfly, Sri Lanka

Bernard Castelein / Green hairstreak butterfly {Callophrys rubi} on sand. Kalmthoutse Heide, Belgium

Bernard Castelein / Four-spotted libellula {Libellula quadrimaculata} with dew, Kalmthoutse Heide, Belgium

Bernard Castelein / Yellow winged darter (Sympetrum flaveolum) covered in water droplets, Belgium