calypter

From New Latin calyptra, from Ancient Greek κᾰλύπτρα (kalúptra, “hood”), from κᾰλύπτω (kalúptō, “I cover”).

calypter (plural calypters)

1. (biology, entomology) Either of two posterior wing lobes that appear in dipteran flies of the subsection Calyptrata, and that cover the halteres.
   • 1947, Maurice T. James, Miscellaneous Publication 61: The Flies that Cause Myiasis in Man, U.S. Department of Agriculture, page 122:

     The acrosticals are irregularly paired, with numerous accessory setulae between the rows; the lower calypters protrude distinctly beyond the margin of the upper; […] .

   • 2002, Elen L. Aguiar-Menezes; Euripides B. Menezes; Paolo Cesar R. Cassino; Marco A. Soares, “12: Passion Fruit”, in Jorge E. Peña; Jennifer L. Sharp; M. Wysoki, editors, Tropical Fruit Pests and Pollinators, page 373:

     The wings are hyaline and slightly smoky yellowish, while the calypters and wing fringes are pale yellowish (Steyskal, 1980).

   • 2004, James B. Coupland; Gary B. Barker, “3: Diptera as Predators and Parasitoids of Terrestrial Molluscs, with Emphasis on Phoridae, Calliphoridae, Sarcophagidae, Muscidae and Fanniidae”, in G. M. Barker, editor, Natural Enemies of Terrestrial Molluscs, page 88:

     Traditionally this taxon^{[Schizophora]} is subdivided into Calyptratae and Acalyptratae, based respectively on the strong or reduced development of the lower calypter.

• distal calypter
• proximal calypter

• acalyptrate
• calyptra
• calyptrate

• Calyptrata