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THIS CLASS IS OBSOLETE

mx id: 497 | OBO id: HAO:0000534 | URI: http://purl.obolibrary.org/obo/HAO_0000534
mentum
Defined (both definition and relationships must be met)
Definition:
The sclerite that articulates basally with the submentum and apically with the prementum.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The mentum is a sclerite.
The mentum is part of the cuticle. The mentum is part of the labium. The mentum is part of the postmentum.

Label usage (sensu)
mentum 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.
mentum by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
mentum by Vilhelmsen, L. 1996. The preoral cavity of lower Hymenoptera (Insecta): comparative morphology and phylogenetic significance. Zoologica Scripta 25:143-170.
Comments and tags
alternative definition added over 14 years ago by Istvan Miko
A labial sclerite articulating basally with the submentum and apically with the prementum; often fused with the latter and indistinguishable as separate sclerite.
  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.

comment added about 14 years ago by Matt Yoder
Often fused with the prementum and indistinguishable as separate sclerite
  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 about 15 years ago by Andy Deans
The sclerite basal to the prementum that tapers basally and is thus more or less triangular.
  Reference: Michener, C. D. 2000. The Bees of the World. Johns Hopkins University Press, Baltimore, MD, USA 913 pp.
  Cross reference: None provided.

comment added almost 14 years ago by Istvan Miko
The mentum is not distinguishable from the prementum in Hymenoptera.
  Reference: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
  Cross reference: None provided.

alternative definition added over 17 years ago by Andy Deans
the distal plate of the postlabium between the prementum and the submentum
  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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