Tanaecia jahnu

 

<> Tanaecia jahnu  (Moore,1857) <>

the Plain Earl     ผีเสื้อบารอนม่วงดำ

 
 
 

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Tanaecia jahnu
Photo taken at Doi Suthep-Pui National Park, Chiang Mai, Thailand. ♂ 460m a.s.l.

Tanaecia jahnu is distributed across a large part of the region but is uncommon. The species is sexually dimorphic with some differences in appearance and the female being a little larger in size. Generally the male is darker and the white markings on the female are quite variable and fade quickly. Essentially a forest species that prefers shade. Multivoltine with several broods per annum but not much is known about this species and more research needs to be done.

Synonyms and previously used names:   Adolias sananda, Euthalia jahnu


Taxonomy:  Animalia - Arthropoda - Insecta - Lepidoptera - Nymphalidae - Limenitidinae - Tanaecia - jahnu

Regional Distribution:  India, Bhutan, Bangladesh, Myanmar, Thailand, Laos, Cambodia, Vietnam, China

Habitat:   Tanaecia jahnu is found in montane forest and has been recorded at elevations up to 1200m a.s.l.

Flight time:  most of the year, depending on location                        Wingspan:  60-75mm

Larval Hosts:  not known

Adult Food Sources:  Nectar - not known if this species visits flowers.  Other - mud puddling (occasional), over-ripe fruit

Tanaecia jahnu
Lamnamkok N.P., Chiang Rai, Thailand ♂

Tanaecia jahnu
Lamnamkok N.P., Chiang Rai, Thailand ♀

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

 

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               This page updated 13th May 2026