Graphium doson
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| Common Jay | ||||||||||||||
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Secure
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| Graphium doson C&R Felder, 1864 |
The Common Jay (Graphium doson) is a black, tropical papilionid butterfly with pale blue semi-transparent central wing bands that are formed by large spots. There is a marginal series of smaller spots. The underside of wings is brown with markings similar to upperside but whitish in color. The sexes look alike.
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[edit] Range
It is widespread and common throughout Southeast Asia, including lower elevations in Sri Lanka and Southern India, Eastern Ghats, Satpuras, Bengal and Assam, and the Himalayan foothills. The species is however scarce in southern Honshū, Japan.
[edit] Habitat
Common in thick, riparian, moist, deciduous, semi-evergreen and evergreen forests.
[edit] Habits
The Common Jay is active throughout the day and constantly on the move; it rarely settles down. Its flight is swift and straight.
[edit] Life cycle
[edit] Eggs
The spherical and pale yellow eggs are laid singly on the underside of leaves.
[edit] Larva
The caterpillar is somewhat spindle-shaped. The grown caterpillars have two forms, dark brown or grassy green. There are spines on the 4th segment which are short, conicle and blue-centered surrounded by lemmon yellow and then black rings. The osmeterium is pale bluish green. It is extruded only reluctantly.
[edit] Pupa
The pupa is pale green with a dark purplish median line from the head to the thoracic horn and a yellow line from the tip of the horn to the cremaster.
[edit] Foodplants
The caterpillars feed on plants of the families Annonaceae, Lauraceae, Magnoliaceae such as Annona lawii, Cinnamomum macrocarpum, Magnolia grandiflora, Michelia champaca, Milliusa tomentosum and Polyalthia longifolia.
 Egg |
 Caterpillar |
 Caterpillar |
 Pupa |
 adult |
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 At Kolkata, India |
 at Hyderabad, India |
 Photo of dead Common Jay with upper forewing visible |
 Underside of wing from Seitz Macrolepidoptera |
[edit] References
- Evans, W.H. (1932) The Identification of Indian Butterflies. (2nd Ed), Bombay Natural History Society, Mumbai, India
- Kunte,Krushnamegh (2005) Butterflies of Peninsular India. Universities Press.
- Wynter-Blyth, M.A. (1957) Butterflies of the Indian Region, Bombay Natural History Society, Mumbai, India.
