Friday 2 May 2008

Horsfield's Baron (Tanaecia iapis)

OTHER NAMES: N/A
Latin Etymology: Tanaecia ("praise worthy"?) iapis ("healer"?)
Adult female Horsfield's Baron (subspecies T. a. pusedaat Lower Pierce Reservoir, Singapore - February 2019

Featured Subspecies: Tanaecia iapis puseda
Weight: ?  /  Length: ?  /  Wingspan: 6.5cm
NO UK STATUS IUCN Red List: Not Yet Evaluated 

A very highly sexually dimorphic species - the male is broadly two single blocks of colour - black and pale blue, while the female as seen in the picutre above is a subdued mottled arrangement of browns, oranged and creams somewhat resembling the colours of dead leaves.  The species is named for Thomas Horsfield, an American Naturalist who was friends with Sir Thomas Stamford Raffles, noted founder of colonial Singapore.

Related Species:
Order: Lepidoptera
Family: Nymphalidae 
Genus: Tanaecia
SUBSPECIES: T. i. puseda, presumably more? 

 - Sighting Locations -
SINGAPORE - A fairly common resident
 - CAMBODIA/SINGAPORE 2019 TRIP: One seen around Lower Pierce Reservoir 

Further Notes: BirdForum Opus, IUCN Red List, RSPB, Wikipedia, Xeno-canto

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