What defining anatomical feature is present on the head of a male Green June beetle?
Answer
A small horn on the lower portion of the face (clypeus)
Male Green June beetles possess a defining feature separating the *Cotinis* genus: a small horn on the lower portion of the face, known as the clypeus.

Related Questions
Where is the Green June beetle (*Cotinis nitida*) natively found?What characteristic coloration can the adult beetle's wings sometimes exhibit besides uniform velvety green?What visual feature distinguishes the Green June beetle from the Japanese beetle?What defining anatomical feature is present on the head of a male Green June beetle?How does the body shape of the Green June beetle compare to the common brown May/June beetle?What characteristic of adult *C. nitida* flight might lead to them being mistaken for bumble bees?What is the approximate maximum length of a fully mature Green June beetle grub?What is the most reliable field identifier for the *Cotinis nitida* grub's movement above ground?What color is the head capsule of the mature Green June beetle larva?What substance are adult Green June beetles often documented sipping from wounded trees?