circumfilum

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noun

A thread-like sensory organ found on nodes of the antennae of some midges in family Cecidomyiidae.

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Meanings

nouncircumfilum (plural circumfila)

plural circumfila

  1. biologyA thread-like sensory organ found on nodes of the antennae of some midges in family Cecidomyiidae.

    That circumfilum is bandlike on the first five flagellomeres but absent beyond.

    1993 June, Raymond J. Gagné, Fred D. Bennett, “Two New Species of Lestodiplosini (Diptera: Cecidomyiidae) Preying on Homoptera and Thysanoptera in Southern Florida”, in The Florida Entomologist, volume 76, number 2, →JSTOR, pages 341–348

Origin

Equivalent to circum- + filum.

Full word history & related roots →
Cite this entry
APA

circumfilum. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/circumfilum

MLA

“circumfilum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/circumfilum. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “circumfilum,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/circumfilum.

Source: circumfilum on Wiktionary, CC BY-SA 4.0.