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Antennae: these are segmented and vary in the number of segments according to the species. Apex: the outer-most part of the leading edge of the forewing. Cilia: the long, narrow modified scales on the edge of the wing (especially the outer edge). Compound eyes: lepidoptera have two large multi-faceted eyes, placed on each side of the head. Costa: the anterior or leading vein/ edge of the forewing. Coxa: the first segment (from the body) of the leg. Dorsum: the posterior or trailing edge of the forewing/ upper surface of body. Fascia: lines or bars across the forewing (see diagram) Femur: the third section (from the body) of the leg. Instar: the larval stage between two successive skin moults. There are several instars and the larva may have an entirely different pattern or colour during each instar. Legs: consisting of fore-legs, mid-legs and hind-legs. Each of these is divided into the coxa, trochanter, femur, tibia and tarsus. Ocelli: simple eyes on the head of a larva. Palps: the two pairs of segmented appendages to the mouthparts. Pectinate: one of many forms of antennae. Has many hair-like, adapted scale tufts on opposite sides. Proboscis: a long modified tongue used to suck nectar from flowers. Rolls under head when not in use. Stigma: round or kidney shaped markings on the forewing (see diagram) Tarsus or foot: fifth and final part of the leg (which is further segmented). Tegula (plural -tegulae): area on thorax near the base of the forewing (equivalent of shoulders). Termen: the outer edge of the forewing. Tibia: the fourth section (from the body) of the leg. Thorax: the section of the body between the head and abdomen. Tornus: the outer-most part of the trailing edge of the forewing. Trailing edge: the posterior edge of the forewing. Trochanter: the second segment (from the body) of the leg. Ventral: the under surface of the insect. |
