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mx id: 869 | OBO id: HAO:0000355 | URI: http://purl.obolibrary.org/obo/HAO_0000355
frenum synonyms: frenal area
Defined (both definition and relationships must be met)
Definition:
The area that is located posteriorly on the mesoscutellum and is delimited anteriorly by the frenal line.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The frenum is a area.
The frenum is part of the cuticle. The frenum is part of the mesoscutellum.

Figures
Asaphes Walker, 1834

Label usage (sensu)
frenum by Graham, M. W. R. 1969. The Pteromalidae of northwestern Europe (Hym, Chalcidoidea). Bulletin of the British Museum of Natural History, Entomology Supplement 16:1-908.
frenal area by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
frenum by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
Comments and tags
alternative definition added almost 10 years ago by Istvan Miko
Posteriorly differentiated region of the scutellum anterior to any marginal rim that is delineated by a transverse carina, groove, row of foveae, or other change of sculpture; sometimes called the frenal area.
  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 10 years ago by Istvan Miko
In Chalcidoidea the transverse line on the scutellum that delineates a posterior portion of the scutellum, the frenal area.
  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.


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