''Prosotas nora'', the common lineblue, is a species of
lycaenid
Lycaenidae is the second-largest family of butterflies (behind Nymphalidae, brush-footed butterflies), with over 6,000 species worldwide, whose members are also called gossamer-winged butterflies. They constitute about 30% of the known butterfl ...
butterfly found in
Asia
Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...
to
Australia
Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...
Rudolf Felder
Rudolf Felder (2 May 1842 in Vienna – 29 March 1871 in Vienna) was an Austrian jurist and entomologist. He was mainly interested in Lepidoptera
Lepidoptera ( ) or lepidopterans is an order (biology), order of winged insects which includes ...
in 1860.
Description
Male upperside: purplish brown or purplish with a dark tint, some specimens brown with a very slight purplish sheen seen only in certain lights. Forewings and hindwings: nearly uniform, both with slender black anteciliary lines, the hindwing in addition with the costal and dorsal margins paler; in most specimens with a subterminal black spot in interspace 2, sometimes seen only by transparency from the underside; tail black tipped with white. Underside: brown, hoary, brownish or pale dull brown. Forewing: a subbasal pair of transverse white strigae, a shorter pair along the discocellulars and a discal pair; these strigae all narrowly edged on the inner sides of each pair with