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mx id: 1258 | OBO id: HAO:0000928 | URI: http://purl.obolibrary.org/obo/HAO_0000928
second valvula synonyms: acus, back piece, branche et tige, corps tige et deux branches, eileiter, gorgeret, gouttiere lamellaire, internal sheaths, mittlere gonapophysen, ovipositor stylet, rinne, schienenrinne, second gonapophysis, sheath, stachelrinne, stachelschiene, stylet, support
Defined (both definition and relationships must be met)
Definition:
The area of the second valvifer-second valvula-third valvula complex that is distal to the basal articulation and to the processus musculares and is limited medially by the median body axis.
written by: Ernst, A., I. Mikó, and A. R. Deans. 2013. Morphology and function of the ovipositor mechanism in Ceraphronoidea (Hymenoptera: Apocrita). Journal of Hymenoptera Research.

Relationships / properties:
The second valvula is a area.
The second valvula is part of the cuticle. The second valvula is part of the second valvifer-second valvula-third valvula complex.

Figures
Ceraphronidae
Macroxyela ferruginea Say, 1824
Ceraphronidae
Megaspilidae
Ceraphronidae
Ceraphronidae
Ceraphronidae
Ceraphronidae
Megaspilidae
Aphanogmus Thomson, 1858
Ceraphronidae
Ceraphronidae
Ceraphronidae
Conostigmus Dahlbom, 1858
Conostigmus Dahlbom, 1858
Conostigmus Dahlbom, 1858
Megaspilidae
Megaspilidae
Opius dissitus Muesebeck

Label usage (sensu)
second valvula by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
second valvula by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
ovipositor stylet by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
eileiter by Hartig, T. 1860. Die Familien der Blattwespen und Holzwespen nebst einer allgemeinen Einleitung zur Naturgeschichte der Hymenopteren. Neue Ausgabe, Berlin.
stylet by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
schienenrinne by Fenger, H. 1863. Anatomie und Physiologie des Giftapparates bei den Hymenopteren. Archiv für Naturgeschichte 29:139-178.
internal sheaths by Westwood, J. O. 1840. An Introduction to the Modern Classification of Insects.London..
stachelrinne by Sollmann, A. 1863. Der Bienenstachel. Z. wiss. Zool. 13:528-540.
internal sheaths by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
gorgeret by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
eileiter by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
stachelrinne by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
second valvula by Vilhelmsen, L. B. 2000. The ovipositor apparatus of basal Hymenoptera (Insecta): phylogenetic implications and functional morphology. Zoologica Scripta 29:319-345.
schienenrinne by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
acus by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
rinne by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
support by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
back piece by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
branche et tige by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
corps tige et deux branches by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
gouttiere lamellaire by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
stachelschiene by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
sheath by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
mittlere gonapophysen by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
stylet by Oeser, R. 1961. Vergleichend-morphologische Untersuchungen über den Ovipositor der Hymenopteren. Mitteilungen aus dem Zoologischen Museum in Berlin 37:3-119.
second gonapophysis by Gibson , G. A. P., J. D. Read , and R. Fairchild. 1998. Chalcid wasps (Chalcidoidea): illustrated glossary of positional and morphological terms ..
second valvula 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.
second valvula by hao@lists.hymenopterists.org. 2013. [Hao] What's the preferred term?..
Comments and tags
comment added almost 8 years ago by Istvan Miko
"and is delimited posteromedially by the median longitudinal line of the ovipositor." The reason of this statement is to differentiate the left and right second valvulae from each other, since they are fused in many groups proximally.
  Reference: None provided.
  Cross reference: None provided.

alternative definition added almost 10 years ago by Istvan Miko
Gonapophysis of the ninth abdominal segment, sometimes called the stylet sheath, which forms the dorsal part of the ovipositor stylets; in Chalcidoidea the second valvulae are separate basally for a short distance, where they are connected by the laminated bridge, but distally are fused; the fused portions consist of two asymmetric dorsolateral portions that overlap to a greater or lesser extent and that are connected by notal membrane; the second valvulae interlock ventrally with the cutting first valvulae through the olistheter and articulate basally with the inner surface of each semicircular sheet of the second valvifer.
  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 almost 10 years ago by Istvan Miko
Gonapophysis of the ninth abdominal segment, sometimes called the stylet sheath, which forms the dorsal part of the ovipositor stylets; in Chalcidoidea the second valvulae are separate basally for a short distance, where they are connected by the laminated bridge, but distally are fused; the fused portions consist of two asymmetric dorsolateral portions that overlap to a greater or lesser extent and that are connected by notal membrane; the second valvulae interlock ventrally with the cutting first valvulae through the olistheter and articulate basally with the inner surface of each semicircular sheet of the second valvifer.
  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 almost 9 years ago by Kelly Dew
Gonapophysis of the ninth abdominal segment, which forms the dorsal part of the terebra (or ovipositor stylets); the area that is continuous proximally with the second valvifer via the ventral ramus of the second valvula, articulates with the second valvifer via the basal articulation and with the first valvula via the olistheters.
  Reference: 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.
  Cross reference: None provided.

alternative definition added over 10 years ago by Istvan Miko
Gonapophysis of the gonopod.
  Reference: Snodgrass, R. E. 1935. Principles of insect morphology. McGraw-Hill Book Co., Inc., New York & London 667 pp.
  Cross reference: None provided.

alternative definition added almost 7 years ago by Istvan Miko
The area that is continuous proximally with the second valvifer via the ventral ramus of the second valvula, articulates with the second valvifer via the basal articulation and with the first valvula via the olistheters and is delimited posteromedially by the median longitudinal line of the ovipositor.
  Reference: Vilhelmsen, L. B., and I. Miko. 2010. HAO/ovipositor..
  Cross reference: None provided.


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