calypter

{{Short description|Lobes on the forewing of flies}}

File:Fly June 2009-1.jpg sp. fly showing white calypters at the base of the wings]]

File:Calipter g1.jpg]]

A calypter is either of two posterior lobes of the posterior margin of the forewing of flies between the extreme posterior wing base and the alula, which covers the halteres.{{Cite book |last=McAlpine |first=J. F. |title=Manual of Nearctic Diptera. Volume 1: Monograph: 27 / Agriculture Canada |date=1981 |publisher=Canadian Government Publishing Centre |isbn=978-0-660-10731-8 |series=Monograph |location=Ottawa}}

The lower calypter is the proximal calypter (synonyms: squama (of some authors), tegula) and the upper calypter is the distal calypter (synonym: squamula).{{Cite book |title=Contributions to a manual of Palaearctic Diptera. 1: General and applied dipterology |date=2000 |publisher=Science Herald |isbn=978-963-04-8839-6 |location=Budapest}}

Species of the subsection Acalyptratae are noted for lacking calypters.{{Cite journal |date=2008-04-16 |title=Volume Contents 127 |url=http://dx.doi.org/10.1111/j.1570-7458.2008.volcontents_1.x |journal=Entomologia Experimentalis et Applicata |volume=127 |issue=3 |doi=10.1111/j.1570-7458.2008.volcontents_1.x |issn=0013-8703|url-access=subscription }}