Definition:
Relationships / properties:
The postgenal ridge is a ridge.
The postgenal ridge is part of the cuticle. The postgenal ridge is part of the postgena. The postgenal ridge is part of the sclerite.
postgenal ridge by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
gular ridge by Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
postgenal ridge by Zimmermann, D., and L. Vilhelmsen. 2016. The sister group of Aculeata (Hymenoptera) – evidence from internal head anatomy, with emphasis on the tentorium. Arthropod Systematics & Phylogeny 74:195-218.
alternative definition added over 14 years ago by Istvan Miko
The ridge that extends between the posterior tentorial arm and the maxillary process of the hypostoma.
Reference: Ronquist, F. 1994. Evolution of parasitism among closely related species: phylogenetic relationships and the origin of inquilinism in gall wasps (Hymenoptera, Cynipidae) . Evolution 48241-266.
Cross reference:
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