adj. 幼的, 浅嫩的(刚羽化的成虫)

Teneral \Ten"er*al\, a. [L. tener, -eris, tender, delicate.]
(Zo["o]l.)
Of, pertaining to, or designating, a condition assumed by the
imago of certain Neuroptera, after exclusion from the pupa.
In this state the insect is soft, and has not fully attained
its mature coloring.