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mx id: 1193 | OBO id: HAO:0000562 | URI: http://purl.obolibrary.org/obo/HAO_0000562
mesopleural triangle synonyms: anterior upper area of mesopleuron, subalar triangle
Defined (both definition and relationships must be met)
Definition:
The area that is limited dorsally by the subalar ridge, posteroventrally by the speculum and ends posteriorly in the subalar pit.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The mesopleural triangle is a area.
The mesopleural triangle is part of the cuticle. The mesopleural triangle is part of the mesopleuron.

Label usage (sensu)
mesopleural triangle by Buffington, M. L. 2009. Description, circumscription and phylogenetics of the new tribe Zaeucoilini (Hymenoptera: Figitidae: Eucoilinae), including a description of a new genus . Systematic Entomology 34:162-187.
anterior upper area of mesopleuron by Hedicke, H., and G. J. Kerrich. 1940. A revision of the family Liopteridae (Hymenopt Cynipoidea). Transactions of the Royal Entomological Society of London 90:177-225.
subalar triangle by Ritchie, A. J., and T. M. Peters. 1981. The external morphology of Diplolepis rosae (Hymenoptera, Cynipidae, Cynipinae). Annals of the Entomological Society of America 74:191-199.
subalar triangle by Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
anterior upper area of mesopleuron by Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
mesopleural triangle by Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
mesopleural triangle by Deans, A. R. 2009. HAO curator..
Comments and tags
review definition added over 9 years ago by Istvan Miko
Need more specific definition based on Ronquist & Nordlander 1989 and Buffington 2009.
  Reference: None provided.
  Cross reference: None provided.

alternative definition added over 9 years ago by Istvan Miko
An impressed area more or less in the middle of the mesopleuron. The ‘base’ of the triangle is aligned with the pronotal-mesopleural suture line; the ‘hypotenuse’ of the triangle extends from the ventral margin of the subalar pit to the middle of the pronotal–mesopleural suture line (the ventral endpoint of the base of the traingle); the ‘axis’ of the triangle extends from the dorsal margin of the subalar pit and extends to the dorsal endpoint of the pronotal–mesopleural suture line (also the dorsal endpoint of the base of the triangle). The dorsal (‘axis’) and ventral (‘hypotenuse’) margins of the triangle range from distinctly impressed to rounded and only slightly impressed.
  Reference: Buffington, M. L. 2009. Description, circumscription and phylogenetics of the new tribe Zaeucoilini (Hymenoptera: Figitidae: Eucoilinae), including a description of a new genus . Systematic Entomology 34:162-187.
  Cross reference: None provided.

alternative definition added over 8 years ago by Istvan Miko
The area that is impressed and located dorsally on the mesopleuron.
  Reference: Deans, A. R. 2009. HAO curator..
  Cross reference: None provided.

alternative definition added about 10 years ago by Andy Deans
the upper, impressed area of the mesopleuron
  Reference: Ronquist, F., and G. Nordlander. 1989. Skeletal morphology of an archaic cynipoid, Ibalia rufipes (Hymenoptera: Ibaliidae). Entomologica Scandinavica, Supplement 33:1-60.
  Cross reference: None provided.


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