The acrosticals are irregularly paired, with numerous accessory setulae between the rows; the lower calypters protrude distinctly beyond the margin of the upper;[…].
Source: wiktionary
Ranked by relevance and common usage.
Keep "calypter" when the sentence already sounds natural, when a synonym would add unintended emphasis, or when readers need the most familiar wording. A synonym should clarify or sharpen the message, not simply make the sentence look more varied.
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3 total sentences available.
The acrosticals are irregularly paired, with numerous accessory setulae between the rows; the lower calypters protrude distinctly beyond the margin of the upper;[…].
Source: wiktionary
The wings are hyaline and slightly smoky yellowish, while the calypters and wing fringes are pale yellowish (Steyskal, 1980).
Source: wiktionary
Traditionally this taxon^([Schizophora]) is subdivided into Calyptratae and Acalyptratae, based respectively on the strong or reduced development of the lower calypter.
Source: wiktionary
Closest matches include alula, calypter pair, calypters, protective flap, protective hood.
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