Hoplia coerulea male resting on a blade of grass in a wet meadow.
Hoplia coerula placed placed high in the vegetation at the edge of a stream in a wet meadow.
The males of this species of the Rutelidae family gather in large numbers on the bank of streams and place themselves as high as possible on ferns, flowers and small shrubs at the beginning of summer. After choosing the best spot, they cling to the plant and lift their hind legs releasing pheromones to attract females.
Females with duller color are rarely seen and their behavior is so discreet that it remains a mystery.
''Hoplia coerulea'' is a species of scarabaeid beetle belonging to the subfamily Melolonthinae.
This beetle can be found in Southwest Europe, including France, Spain and Switzerland. Males are bright blue, females are brownish.