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In moths, males frequently have more feathery antennae than females, for detecting the female pheromones at a distance. There are two pairs of membranous wings which arise from the mesothoracic (middle) and metathoracic (third) segments; they are usually completely covered by minute scales.
The scales are modified, flattened "hairs", and give butterflies and moths their wide variety of colors and patterns. Almost all species have some form of membranous wings, except for a few that have reduced wings or are wingless. Mating and the laying of eggs is normally performed near or on host plants for the larvae.
Moths in the family Alucitidae have characteristic, deeply divided wing membranes -- the fore wing has six narrow, scale-edged feather-like lobes and the hind wings may be six- or seven-plumed. A few tropical species have the wings only partly or hardly divided.
Media (M) – fourth longitudinal vein, one to four branches reach the wing margin. Cubitus (Cu) – fifth longitudinal vein, one to three branches reach the wing margin. Anal veins (A1, A2, A3) – unbranched veins behind the cubitus. The costa (C) is the leading marginal vein on most insects.
25 wrz 2023 · Adults (imagos) have four membranous wings (rarely wingless); hindwings are usually smaller than forewings, both largely or entirely covered with scales. Adult mouthparts adapted for sucking, the proboscis is usually in the form of a coiled tube (adults of some species lack mouthparts and do not feed as adults).
Below are the main characteristics of butterflies and moths. Junonia villida calybe (meadow argus butterfly) 2 pairs of membranous wings that are covered in tiny scales which overlap like shingles on a roof. A few moths are wingless. Large compound eyes. One ocelli present above each eye.
Lepidoptera (moths and butterflies) is the second largest order in the class Insecta. Nearly all lepidopteran larvae are called caterpillars. They have a well-developed head with chewing mouthparts.
