The face with silvery pile on each side of the clypeus, and sprinkled with erect black hairs.
"Journal of the Proceedings of the Linnean Society - Vol. 3" by Various
Chaperon: =clypeus or clypeus anterior.
"Explanation of Terms Used in Entomology" by John. B. Smith
The labrum, or upper lip, is separated by a deep suture from the clypeus, and is trapezoidal in form.
"Our Common Insects" by Alpheus Spring Packard
The head is extended from behind forwards, so that the crown (epicranium) is large, while the face (clypeus) is small.
"Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 6" by Various
The portion of the face bounded by this groove is called the clypeus.
"Through a Microscope" by Samuel Wells
The labrum and clypeus are developed as a single prolongation of the oral piece, not as a pair of appendages.
"Encyclopaedia Britannica, 11th Edition, Volume 13, Slice 4" by Various