are a group of insects which have the largest number of species. They are placed in the order Coleoptera, which means "sheathed wing" and contains more described species than in any other order in the animal kingdom, constituting about twenty-five percent of all known life-forms.
EDIT:
Hei,
Dette er ingen bille, men ser ut som nymfe av en sikade.
Preben 
is a family of planthoppers containing about 2000 species, distributed worldwide...