hypopygium

noun hy·po·pyg·i·um
variants: less commonly

hypopygidium

\"+pəˈjidēəm\

Definition of hypopygium

plural

hypopygia

also

hypopygidia

\-ēə\
  1. :  a modified 9th abdominal segment of many insects with which the copulatory apparatus is associated; especially :  such a modified segment together with the copulatory apparatus of a dipterous insect

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Origin and Etymology of hypopygium

New Latin, from hypo- + -pygium (from pyg- + -ium) or -pygidium (from Greek pygidion small rump) — more at pygidium


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