gonarcus

Definitions

An arched structure that is a principal feature of the male genitalia of some insects.

Examples

“The gonarcus (fig. 5) is situated internally between the anal segment and the ninth sternite.”

“1988, Neuroptera International, Volume 5 - Volume 7, Issue⟳ 2, page 60, Its shape⟳ is related to the structure⟳ of the gonarcus-parameres complex and of the coaptation structures which exist⟳ between this complex and the subgenital plate.”

“Defining features of the Neuroptera include⟳ the association of the ninth gonocoxites with the gonarcus and the peculiar sucking-mandibulate mouthparts of the larvae (U. Aspock et al., 2001).”

CEFR level