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Butterflies of Mexico, USA & Canada
Cramer's Green Hairstreak
Chalybs janias  CRAMER, 1779
Family - LYCAENIDAE
subfamily - THECLINAE
Tribe - EUMAEINI
Chalybs janias Peter Bruce-Jones
Introduction
Almost all neotropical Theclinae species are placed in the Eumaeini. The tribe is not particularly well represented in collections, so until fairly recently a high percentage remained unstudied, and were inappropriately filed away in the 'convenience' genus Thecla. Many taxonomists have attempted to rationalise the systematics of the Eumaeini, the most recent being Robbins who published a revision in 2004, reclassifying the taxa into 83 genera. Currently there are 1058 known species. Taking into account their small size, secretive behaviour, and the great similarities between many species, it is estimated that about another 200 species probably remain to be discovered.
There are 4 known species of Chalybs, found variously from Mexico to Bolivia.
Chalybs janias is the commonest and most widely distributed member of the genus, occuring from Guatemala to Peru and Brazil.
Habitats
This species is found in mildly disturbed areas of tropical and subtropical rainforest at altitudes from about 400-1200m.
Lifecycle
To be completed.
Adult behaviour

Males probably spend most of their time perching on bushes, where their green colouration affords them excellent camouflage.

 

 

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