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mx id: 4359 | OBO id: HAO:0000946 | URI: http://purl.obolibrary.org/obo/HAO_0000946
spiculum synonyms: basal apodeme of ninth abdominal sternum, hypopygeal median stalk, median basal stalk, median hypopygeal stalk, median stalk, median stalk of hypopygium
Defined (both definition and relationships must be met)
Definition:
The apophysis that is located medially on the anterior margin of the abdominal sternum 9 and corresponds to the site of origin of the mediolateral S9-cupulal muscles.
written by: Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.

Relationships / properties:
The spiculum is a apophysis.
The spiculum is part of the abdominal sternum 9. The spiculum is part of the cuticle. The spiculum is part of the sclerite.

Label usage (sensu)
spiculum by Miko, I. 2009. -2019 Curator. Hymenoptera Anatomy Ontology.
spiculum by Schulmeister, S. 2001. Male genitalia and copulation in Hymenoptera. Acta Zoologica (Stockholm) 82:331-349.
basal apodeme of ninth abdominal sternum by Snodgrass, R. E. 1941. The male genitalia of Hymenoptera. Smithsonian Miscellaneous Collections 99:1-86.
median basal stalk by Evans, H. E. 1964. A synopsis of the American Bethylidae (Hymenoptera, Aculeata). Bulletin of the Museum of Comparative Zoology, Harvard 132:1-222.
median stalk by Evans, H. E. 1964. A synopsis of the American Bethylidae (Hymenoptera, Aculeata). Bulletin of the Museum of Comparative Zoology, Harvard 132:1-222.
median stalk of hypopygium by Azevedo, C. O. 2001. Systematics of the Neotropical Dissomphalus Ashmead (Hymenoptera, Bethylidae) of the bicavatus group. Revista Brasileira de Entomologia 45:173-205.
hypopygeal median stalk by Azevedo, C. O. 2014. Revision of Trichiscus Benoît, 1956 (Hymenoptera, Bethylidae). Zootaxa 3802:318-334.
median hypopygeal stalk by Azevedo, C. O. 2014. Revision of Trichiscus Benoît, 1956 (Hymenoptera, Bethylidae). Zootaxa 3802:318-334.
spiculum by Nichols, S. W. (eds.). 1989. The Torre-Bueno Glossary of Entomology. New York Entomological Society and the American Museum of Natural History, New York.

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