N A T U R K U N D L I C H E S   I N F O R M A T I O N S S Y S T E M

Papilio (Achillides) arcturus Westwood, 1842

(zoological nomenclature: valid name, available)

General information:

Papilio arcturus Westwood, 1842: 37.

Habit:

   
: Thailand, Chiangmai, Fang, coll. Michael Kurz underside: Thailand, Chiangmai, Fang, coll. Michael Kurz    
Picture from: Kurz Michael
Detailed view
Picture from: Kurz Michael
Detailed view
   

Description of adults: . Upperside brownish black, somewhat paler on the fore than on the hind wing. Fore wing irrorated with brilliant golden-green scales that on the posterior half of the wing form a broad, not well-defined subterminal band; the veins and elongate streaks between them on the outer half of the wing velvety black. Hind wing: posterior three-fourths irrorated with brilliant golden-green scales as on the fore wing but towards the base anteriorly these turn to blue; a conspicuous brilliant blue patch somewhat irregular in shape occupies the apex of the cell and the bases of interspaces 5 and 6, prolonged as a broad streak in the latter interspace up to the terminal margin; below this a more or less triangular patch on the disc and above it the whole of the costal margin broadly are devoid of the irroration of green scales; a subterminal generally incomplete series of large claret-red lunules terminates at the tornal angle in a large conspicuous black-centred red ocellus; the latter is encircled above and anteriorly by a narrow band formed by a conflux of the green irrorated scales; the lunules are bordered outwardly by spots of the ground-colour that are devoid of the green scales; finally both the lunules and the tornal ocellus are tinged more or less with bluish-purple on their inner margins. Underside dull black, with a somewhat sparse irroration of yellowish-white scales confined on the fore wing to the base and apex, and on the hind wing to the posterior two-thirds, not extended to the termen except along the tail. Fore wing: a broad ill-defined subterminal pale transverse area, crossed by the black veins and internervular streaks, and elongated pale cellular streaks. Hind wing: a large somewhat quadrate terminal black-centred claret-red patch in interspaces 1 and 2, and a subterminal series of broad claret-red lunules that extends from interspaces 3 to 7, followed by ill-defined anteciliary red spots in each interspace. Cilia of both fore and hind wings white, alternated with black. Antennae, head, thorax and abdomen brownish black; the head, thorax and abdomen at base on the upperside sprinkled with golden-green scales. similar, the markings more prominent. Upperside: on the fore wing the subterminal golden-green band broader, on the hind wing the subterminal series of claret-red lunules more complete." (Bingham 1907).

Distribution:

The species is found in the Himalayas (Bhutan, India, Nepal, Myanmar), but also in China, Laos, Thailand and Vietnam (Häuser et al. 2005). Bingham (1907) records a vertical distribution up to apr. 4000 ft (apr. 1300 m a.s.l.).

Worth knowing:

Sources:

Bingham, C. T. 1907. Fauna of British India, including Ceylon and Burma. Butterflies - Vol. II. Taylor & Francis, London, 480 pp., 20 pl.
Häuser, C. L., J. Holstein & A. Steiner 2005. The Global Butterfly Information System. http://www.globis.insects-online.de. Last updated 14.04.2011 [online 18 March 2014].

Publication data:

history:
Kurz Michael: 2014.02.08
Kurz Michael: 2014.03.18
not reviewed

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