thyridiumn.

/θʌɪˈrɪdɪəm/

Forms: Plural thyridia.

Etymology: < Greek type *θυρίδιον, diminutive of θŭρίς, θυριδ- window, opening.

Entomology.

A whitish spot on the fore-wing of Trichoptera, marking a break in the cubital vein; also applied to similar spots occurring on the wing veins of some other insects.

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the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > wings(s) > stigma > whitish

thyridium1861

1861 H. Hagen Synopsis Neuroptera N. Amer. 259 Thyridium and first subapical areole with a whitish spot.

This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2018).

单词	thyridium
释义	thyridiumn. /θʌɪˈrɪdɪəm/ Forms: Plural thyridia. Etymology: < Greek type θυρίδιον, diminutive of θŭρίς, θυριδ-* window, opening. Entomology. A whitish spot on the fore-wing of Trichoptera, marking a break in the cubital vein; also applied to similar spots occurring on the wing veins of some other insects. ΘΚΠ the world > animals > invertebrates > phylum Arthropoda > class Insecta > parts of insects > [noun] > wings(s) > stigma > whitish thyridium1861 1861 H. Hagen Synopsis Neuroptera N. Amer. 259 Thyridium and first subapical areole with a whitish spot. This entry has not yet been fully updated (first published 1912; most recently modified version published online June 2018). < n.1861
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