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Adult Lepidoptera have two pairs of membranous wings covered, usually completely, by minute scales. A wing consists of an upper and lower membrane which are connected by minute fibres and strengthened by a system of thickened hollow ribs, popularly but incorrectly referred to as "veins", as they may also contain tracheae, nerve fibres, and ...
Insect wings are adult outgrowths of the insect exoskeleton that enable insects to fly. They are found on the second and third thoracic segments (the mesothorax and metathorax ), and the two pairs are often referred to as the forewings and hindwings , respectively, though a few insects lack hindwings, even rudiments.
Wings white. Cell-spots of forewing elongate-rotundate, deep black; beyond the cell an abbreviated curved macular band and near the vitreous distal edge a similar, but nearly complete and more strongly marked band. Hindwing with two distinct red or yellow ocelli, and two anal spots, bearing sometimes red pupils; abdominal margin black grey.
Besides providing insulation, dark patterns on wings provided by dark colour scales would allow sunlight to be absorbed and thus probably have a role to play in thermoregulation. Bright and distinctive colour patterns in butterflies which are distasteful to predators help communicate their aposematism (toxicity or inedibility) thus preventing a ...
They have four wings, usually similar in size and shape, and a generalised pattern of veins. [4] Some neuropterans have specialised sense organs in their wings, or have bristles or other structures to link their wings together during flight. [5] The larvae are specialised predators, with elongated mandibles adapted for piercing and sucking.
The Morpho Menelaus' characteristic iridescent wings has a unique wing structure. The ground scales are covered by a set of longitudinal ridges, and within the ridges are layers of lamella. [12] Because the size of the microstructure is the same as the wavelength of light, the layers in the wings react strongly with visible light. [2]
M. elegans has silvery-white wings which are shaded with brown in some areas. Adults rest with their wings tightly folded, forming a tube-like shape. From a top-down perspective, they have a "Halloween-mask" like pattern, with two triangular "eyes" and a frowning down-curved "mouth".
The body is small compared to the wings. The upper side of the wings is reddish brown with a pattern of black, white, pink, and purple lines. There are triangular, scale-less windows bordered in black on each of the four wings. The undersides of the wings are paler. The tips of both forewings have prominent extensions that resemble the head of ...