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The wingspan is 1.6 - 2 cm. Adults are cinnamon brown with narrow white bands on the forewings. The hindwings with brownish or greyish-yellow wing bands in some individuals.

The wingspan is 120–145 mm. It can be distinguished from all other Sphingidae species by the combination of the labial palp structure, long thorax and wing pattern.

The wingspan is 1.7 - 2 cm. Adults are speckled grey or brown, with two broad ragged white lines across each wing.

The wingspan is about 30 mm. Adult males are blue with a large white patch on the hindwings. Females are black with a large white patch on the wings.

The species is found in tropical Africa.

Meadow argus has two brownish wings, each covered with two distinctive black and blue eyespots as well as white and orange marks that appear on the edge of the wings. The underside of the wings are mainly unmarked, except the lower part of the forewing has similar markings as the upperside.The wingspan measures 4 cm in males and 4.5 cm in females.

The wingspan is about 3 - 4.5 cm. Antennae of male ciliated. Mid and hind tibia hairy. Body pale ochreous brown, slightly suffused with fuscous or dark grey brown. Forewings with a large black white-edged triangular patch easily distinguished below the cell from near base to towards outer angle. A similar smaller patch found beyond the cell on vein 5, with some pale fulvous behind it. A slightly sinuous submarginal pale line with patches of black suffusion found inside it and a series of black specks beyond it. A dark marginal line can be seen as well. Hindwings with indistinct medial line and fuscous suffused outer area. Larva has yellow upper half and brown ventral part. The yellow part is broken by longitudinal brown bands, which faints towards posterior and becomes intensive again in prolegs. Eggs olive green and speckled rusty red. First few instars are green with three lateral purple brown lines. Late instars are yellowish. Pupa within a slight cocoon of white silk, which spun amongst leaves.

Male: Upperside: forewing rich orange yellow, hindwing paler yellow, with the following black markings: Forewing: cell with a basal short transverse streak, a medial broad oval loop, its outer margin sinuous; a broad transverse streak beyond cell not reaching the median nervure; a broad streak along the discocellulars; a zigzag discal series of large spots, angulated outwardly in interspace 4, inwardly in interspace 2, a minute spot at base of interspace 1; a somewhat diffuse large postdiscal spot below the costa in interspace 6; a postdiscal sinuous series of round spots, those in interspaces 1 and 4 very small; an inner complete subterminal sinuous series of round spots; an outer subterminal line, widening on the veins, and a terminal slender line. Hindwing: a basal, transverse, obscure narrow mark in cell, another above it in interspace 7, a transverse lunule across the middle of the cell; a small spot outwardly bordering the lower discocellular; a discal series of transverse spots from interspaces 1 to 7, sinuous posteriorly; a postdiscal series of five spots in interspaces 2 to 6; a subterminal series of somewhat lunular spots; finally, a narrow band on term en traversed posteriorly by a series of blue, anteriorly by a series of ochraceous lunules. Underside forewing pale terracotta red, shading into ochraceous towards the apex, the apex broadly suffused with that colour; markings as on the upperside, with the following exceptions: subcostal spot in interspace 6, upper two spots of postdiscal series, upper four spots of the inner subterminal series, and the anterior portions of the outer subterminal and of the terminal line olivaceous brown; the upper two postdiscal spots centred with white, with a white spot on each side; the upper four spots of the sub terminal series connate (united), forming a short curved band. Hindwing variegated with ochraceous, olivaceous-brown and silvery-white markings, the last for the most part narrowly margined on the outer side by short black lines; the veins prominently pale ochraceous; the medial silvery markings form a well-marked sinuous discal series, followed by a curved postdiscal series of five olivaceous round spots; each spot and the olivaceous-brown quadrate patch near base of cell with a minute white central spot; a slender black subterminal line widening at the veins, as on the forewing, followed by an ochraceous narrow lunular band and an outer slender black anteciliary line; the subterminal black line margined on the inner side by a series of: slender white lunules, bordered inwardly by a series of broad olivaceous-brown markings in the interspaces. Antennae brown above, ochraceous red beneath; head, thorax and abdomen olivascent tawny; beneath, palpi, thorax and abdomen pale ochraceous. Female similar. Differs from the male as follows: Upperside: apical half of forewing from about the middle of the costa obliquely to just above the tornus black, inwardly suffused with purple, crossed by a broad white band from costa to the subterminal series of black spots; four preapical white spots, the upper three bordering on each side and above a very obscure ocellus scarcely visible on the black background, an inner and an outer subterminal transverse series of slender white lunules. Underside: forewing markings similar to those on the upperside, but the apex of the wing beyond the white oblique band ochraceous green. Hindwing as in the male, but the markings slightly broader. Antennae, head, thorax and abdomen as in the male, the abdomen paler beneath. Wingspan: 80–98 mm (3.1–3.9 in). Var. taprobana, Moore, is a slightly darker race from Ceylon, with markings similar in both sexes to those of hyperbius. Moore, however, states that taprobana is an intermediate between the south Indian form (castetsi) and typical hyperbius specimens from Ceylon that do not differ from upper India, Assam, and Burmese specimens, except in the very slightly darker ground colour on the upperside. Race castetsi, Oberthur: The females of this remarkable form seem to be locally dimorphic. Male closely resembles the male of hyperbius but differs as follows: Upperside: ground colour a richer brighter shade of orange yellow; black markings similar but distinctly smaller, of a deeper black: subterminal transverse series of slender lunules traversing the terminal black margin on the hindwing of the same shade of orange yellow as the ground colour, not blue on the posterior half of the wing. Underside: the olivaceous brown at apex of forewing and variegating the hindwing more of a greenish golden tint. A sex-mark of specialized raised scales along middle of vein 1 on the upperside of the forewing very prominent. Female Nilgiri form: resembles the female of typical hyperbius differs as follows: Upperside: ground colour pale golden yellow; basal half of both forewings and hindwings shaded with metallic green in the forewing; in some specimens this tint is slightly olivaceous; black markings and the white oblique band on the apical area of the forewing as in hyperbius, but proportionately smaller, the purplish-blue shading along inner margin of the white band much less conspicuous, as is also the bluish tint; on the white preapical spots and subterminal markings on the forewing and on the posterior half of the subterminal line of limules on the hindwing. Underside as in hyperbius but the ground colour on the forewing a paler shade of terracotta red; the olivaceous brown variegating the hindwing of a distinctly greener tint. Female typical form as described from Trichinopoly. Similar to the male differs as follows: Upperside: ground colour pale golden yellow; basal half of the wings suffused with dark olivaceous green; black markings as in the male but larger; on the forewing the spots of the subterminal series very large, coalescent or nearly coalescent with one another and with the dentate spots on the veins in the inner terminal line; the upper two spots also of the postdiscal series very large and coalescent, the upper of the two joining on above and below to the inner postdiscal lunate spot in interspace 6, thus enclosing a prominent lunule of the ground colour. Underside as in the male but paler.

The species is on the IUCN Red List as not endangered, year of assessment 2009. The slender bank dragonfly occurs from Southeastern Europe and North Africa to Japan and Australia

The wingspan is about 60–76 mm. Body white. Palpi with a black line on the upperside. A black frontal line and spot found on vertex of head. Forewings with some black strigae from the costa. Six oblique fuscous bands, one sub-basal, another on discocellulars, the others medial, postmedial, sub-marginal and marginal. Some fuscous striae found on each side of the sub-marginal band. Hindwings with a fuscous band on inner margin joined at anal angle by a band from the upper angle of cell and almost met by one from the costa beyond the middle. Some submarginal striae can be seen. A black marginal line runs from the apex to the tail, and a very narrow line with three spots inside it from the tail to anal angle. Cilia black tipped. Larva pale reddish yellow, tinged green, with reddish transverse stripes dorsally. Three comma-like greenish markings found centrally on each segment. Last instars are more greenish with variable markings. Head and prothorax glossy greenish. Spiracles dark. The larvae feed on Endospermum species.