Three pairs of ischnura heterosticta, males damselfly clasping the females while laying eggs under the leaf on water surface, wildlife low angle macro shot

damselfly insect blue tail dragonfly female common algae water ecology close up wild wildlife season mating green pond swamp pose reproduction nature natural habitat sperm heart wheel fly male attract mate wing entomology lake fertilisation insemination biodiversity leaf marsh platycnemididae azure lakeside summer ischnura heterosticta courtship couple lying eggs clasps breeding coenagrion puella