Agatasa calydonia

 

<> Agatasa calydonia  Hewitson, 1855 <>

the Glorious Begum    ผีเสื้อเจ้าหญิงคาลิโดเนีย

 
 
 

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Agatasa calydonia
Photo taken at Khao Phanom Bencha National Park, Krabi, Thailand. 100m a.s.l.

Agatasa calydonia is a rare and colourful species that, like many species in this subfamily, is usually seen individually and not in groups. It is found mostly in the more southerly parts of the region although it does appear less frequently as far north as southern China. Both sexes are similar in appearance but the female is slightly larger and less often seen. Adult feeding habits are slightly different. Whilst both sexes are fond of animal dung, males are attracted to carrion and females prefer rotting fruit. Both sexes mud puddle but females do so less often than males. More detailed studies of this species are needed.

Synonyms and previously used names:    Prothoe calydonia, Nymphalis calydonia, Prothoe belisama, Agatasa belisama


Taxonomy:  Animalia - Arthropoda - Insecta - Lepidoptera - Nymphalidae - Charaxinae - Agatasa - calydonia

Regional subspecies:   Agatasa calydonia auricinia (Sumatra-Indonesia), A.calydonia belisama (Myanmar, Thailand, Laos, Yunnan-China), A.calydonia calydonia (S.Thailand, W.Malaysia),  A.calydonia chrysodonia (Philippines), A.calydonia mahasthama (E.Malaysia, Kalimantan-Indonesia)

Regional Distribution:  Myanmar, Thailand, Laos, China, Malaysia, Indonesia, Philippines

Habitat:  Agatasa calydonia is found in lowland and low elevation primary forest and has been recorded up to around 900m a.s.l.

Flight time:  most of the year except maybe the coldest months        Wingspan:  70-85mm

Life History:   not known

Larval Hosts:  Artabotrys sp., Desmos chinensis (Annonaceae). There may be others that are yet to be recorded.

Adult Food Sources:  Nectar - not known to visit flowers. Other - mud puddling, animal dung, carrion, rotting fruit

Agatasa calydonia
Dawei, Myanmar

Dorsal view (no photo of live specimen available)

Desmos chinensis
Desmos chinensis, a larval host


Butterflies of Thailand and SE Asia  -  BugsAlive Species Information Sheet
© All images are the copyright of Tim Stratford

 

                     Links to other pages in this series for species in the same subfamily

  
 
               This page updated 18th June 2026