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Each of the wings consists of a thin membrane supported by a system of veins. The membrane is formed by two layers of integument closely apposed, while the veins are formed where the two layers remain separate; sometimes the lower cuticle is thicker and more heavily sclerotized under a vein.
19 sty 2022 · Ptiliids have feather-like bristled wings—a condition known as ptiloptery (Fig. 1b)—instead of the membranous wings possessed by most insects. This visually striking modification of the...
20 paź 2021 · Our data support the assumption that efficiency might have shaped the evolution of wing design suggesting membranous wings in insects larger than several millimetres, while wing design in miniature insects is shaped by aerodynamics and factors other than flight efficiency.
The mesothoracic wing is entirely membranous, completely transparent and colourless, or bearing zonal pigmentation useful for recognition. Its surface is divided into three regions: the most developed is the alar (main flight) region, supported by robust wing veins; posteriorly is the anal region; and, finally, in the rear section-proximal ...
Wings are the membranous outgrowths of insect exoskeleton that allow insects to fly. They are found on the meso-thorax and meta-thorax (second and third thoracic segments). These two pairs of wings are often referred to as the fore and hindwings, respectively.
Membranous wings are characterized by having thin, unscleritized (meaning not leathery or hard) membranes between the veins of the wings. For the purposes of this question on the key, the insects FRONT WINGS must be membranous.
31 lip 2024 · In particular, beetles (Coleoptera) possess one of the most complex mechanisms among the various insect species 5, 8, having two distinct pairs of wings—one a pair of membranous and fragile...
