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n. pl. he·mel·y·tra (-trə)
One of the forewings of a heteropteran insect, having a thick leathery base and a membranous apex.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(hɛˈmɛlɪˌtrɒn) or


n, pl -tra (-trə)
(Zoology) the forewing of plant bugs and related insects, having a thickened base and a membranous apex
[C19: from New Latin hemielytron, from hemi- + Greek elutron a covering]
hemˈelytral, ˌhemiˈelytral adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(hɛˈmɛl ɪˌtrɒn)

n., pl. -tra (-trə).
one of the forewings of a hemipterous insect, having a hard, thick basal portion and a thinner membranous apex.
[1820–30; hem (i)- + elytron]
hem•el′y•tral, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
The unique reddish coloration of the head, thorax and abdomen in combination with the yellow coloration of the femora and patterning of the transverse fascia on the hemelytron indicate that this specimen represents a separate species from other described taxa of Ausejanus.
Hemelytron dark brown, with fine pale lines creating a network of quadrate dark blotches; lateral margins on distal third with 3 or 4 larger white patches, inner margin with 6 or 7 slightly smaller white patches.
Hemelytron: macropterous, elongate, exochorium narrow and elongate, extending to sixth abdominal segment; membrane translucent, finely spotted.
Hemelytron: complete, clavus reaching to tip of scutellum, corium developed, membrane large, without veins (Fig.
Hemelytron: Yellow or reddish, cuneus with yellow outer margin, membrane transparent with greyish tinge, cell yellow or reddish.
Hemelytron: Semitransparent, distinctly concave at middle, with finely upturned lateral margin; medial fracture and R + M vein well developed, reaching apex of corium; cuneus not delimited by costal fracture; membrane with two cells apically reaching, but not surpassing apex of cuneus.
Hemelytron: Pale yellowish green, with clavus, baso-medial region of corium, large cell, and hemelytral membrane variably and diffusely dusky.
Hemelytron moderately deflected at cuneal fracture; cuneus narrow.
Hemelytron: Corium with veins raised, surface with dense, very shallow, darkened pits where setae are inserted, apex surpassing middle of membrane; membrane about as long as corium.