Genal ctenidium see ctenidium

genal groove (ARTHRO: Insecta) In Diptera, a depressed and groove-like area near the ventral limits of the ptilinal suture and the juncture of the gena and parafacial; cheek groove; transverse impression.

genal orbit (ARTHRO: Insecta) That area of an orbit adjacent to the ventral margin of a compound eye.

genaponta n. [L. gena, cheek; pons, bridge] (ARTHRO: In-secta) In specialized Hymenoptera, a bridge composed of the fused postgenae that closes the underside of the head behind the mouth.

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