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mx id: 618 | OBO id: HAO:0000148 | URI: http://purl.obolibrary.org/obo/HAO_0000148
arolium synonyms: central pad, empodium
Defined (both definition and relationships must be met)
Definition:
The lobe that is connected proximodorsally with the manubrium and proximoventrally with the planta.
written by: Miko, I. 2009. -2014 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The arolium is a lobe.
The arolium is part of the cuticle. The arolium is part of the pretarsus.

Figures
Macroxyela ferruginea Say, 1824

Label usage (sensu)
arolium by Deans, A. R. 2009. HAO curator..
arolium by Leponce, M., T. Delsinne , Y. Laurent, J. Cillis, I. Bachy, A. Heughebaert, P. Desmet, and N. Youdjou. 2010. RBINS Ant eMuseum Paraguay Collection Glossary. Availble at http://projects.biodiversity.be/ants/.
empodium by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
arolium by Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
central pad by Leponce, M., T. Delsinne , Y. Laurent, J. Cillis, I. Bachy, A. Heughebaert, P. Desmet, and N. Youdjou. 2010. RBINS Ant eMuseum Paraguay Collection Glossary. Availble at http://projects.biodiversity.be/ants/.
arolium by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
arolium by Karlsson, D., and F. Ronquist. 2012. Skeletal Morphology of Opius dissitus and Biosteres carbonarius (Hymenoptera: Braconidae), with a Discussion of Terminology. PLoS ONE 7:e32573.
Comments and tags
comment added about 4 years ago by Istvan Miko
The arolium sensu Snodgrass is the distalmost part of the pretarsus and exclude the planta and manubrium. Tese structures are definitely parts of the "lobe" within pretarsal claws. Therefore the arolium sensu Snodgrass 1942 is not homolgous wit arolium of other references.
  Reference: None provided.
  Cross reference: None provided.

alternative definition added about 4 years ago by Istvan Miko
  Reference: Deans, A. R. 2009. HAO curator..
  Cross reference: None provided.

alternative definition added almost 5 years ago by Istvan Miko
The median pad-like lobe that lies between the tarsal claws of a pretarsus.
  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 5 years ago by Andy Deans
arolium !
  Reference: Gladun, D. V. 2008. Morphology of the pretarsus of the sawflies and horntails (Hymenoptera: 'Symphyta'). Arthropod Structure & Development 37:13-28.
  Cross reference: None provided.

alternative definition added about 3 years ago by Kelly Dew
The pretarsal lobe that is connected proximodorsally with the manubrium and proximoventrally with the planta.
  Reference: Karlsson, D., and F. Ronquist. 2012. Skeletal Morphology of Opius dissitus and Biosteres carbonarius (Hymenoptera: Braconidae), with a Discussion of Terminology. PLoS ONE 7:e32573.
  Cross reference: None provided.

alternative definition added almost 5 years ago by Katja Seltmann
A pad-like median structure between the pretarsal claws.
  Reference: Leponce, M., T. Delsinne , Y. Laurent, J. Cillis, I. Bachy, A. Heughebaert, P. Desmet, and N. Youdjou. 2010. RBINS Ant eMuseum Paraguay Collection Glossary. Availble at http://projects.biodiversity.be/ants/.
  Cross reference: false

alternative definition added over 5 years ago by Andy Deans
The usual median lobe of the pretarsus, arising between the bases of the claws
  Reference: Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
  Cross reference: None provided.

comment added over 4 years ago by Matt Yoder
probably a remnant of the dactylopodite
  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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