Definition:
The
area that is located on the
occiput ventrally of the
occipital foramen.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
Relationships / properties:
The postgena is part of the cuticle. The postgena is part of the occiput.
postgena by Goulet, H., and J. T. Huber. 1993. Hymenoptera of the World: An Identification Guide to Families. Research Branch, Agriculture Canada Publication 1894/E., Ottawa, ON 668 pp.
postgena by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
postgena by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
occiput by Yoder, M. J. 2004. Revision of the North American species of the genus Entomacis (Hymenoptera: Diapriidae). Canadian Entomologist 136:323-405.
postgena by Karlsson, D., and F. Ronquist. 2012. Skeletal Morphology of Opius dissitus and Biosteres carbonarius, with a Discussion of Terminology and Morphological Variation in Opiinae (Hymenoptera: Braconidae). PLoS ONE 7:1-38.
alternative definition added over 14 years ago by Istvan Miko
Posterolateral region of the posterior surface of the head below the
occipital foramen.
Reference: Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
Cross reference:
None provided.
alternative definition added over 14 years ago by Andy Deans
The lower part of the occiput; when the occipital carina is absent, the gena and postgena are continuous, and the entire lower area constitutes the gena (see also occiput).
Reference: Goulet, H., and J. T. Huber. 1993. Hymenoptera of the World: An Identification Guide to Families. Research Branch, Agriculture Canada Publication 1894/E., Ottawa, ON 668 pp.
Cross reference:
None provided.
alternative definition added over 17 years ago by Andy Deans
the lateral and ventral parts of the occipital arch, or areas of the cranium posterior to the genae
Reference: Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
Cross reference:
None provided.
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