Butterflies of the Amazon and Andes
Arene Sailor
Dynamine arene  HÜBNER, 1823 
subfamily - BIBLIDINAE
subtribe - EUBAGINA

Dynamine arene, Rio Madre de Dios, Peru © Adrian Hoskins
The Biblidinae are known for their diverse but simple and colourful patterns. In the neotropics their representatives include the subtribe Eubagina, within which are placed the 40 Dynamine species.
Most have bluish or greenish uppersides, and white undersides attractively marked with narrow brown bands, and in some species with conspicuous ocelli and small patches of metallic blue scales.
The greatest diversity of species is found in the Amazon basin, but the distribution of the genus ranges from Mexico to Bolivia.
Dynamine arene occurs in Ecuador, Brazil, Peru and Bolivia.

Dynamine arene, Rio Madre de Dios, Peru © Adrian Hoskins
This species is found in primary and disturbed rainforest at altitudes between about 200-1000m.
The eggs of most Dynamine species are white. They are laid singly on the leaf axils or flower buds of Euphorbiaceae genera such as Tragia and Dalechampia. The larvae are described by DeVries as being slug-like, with tiny rosettes of spines on the back. The pupae are greenish, elongate, with a slightly bifid head and a pronounced dorsal keel, and suspended by the cremaster from stems or leaves.
Adult behaviour

The butterflies are only active in hot sunny conditions, when they can be seen flying rapidly in zig-zag fashion along sunny tracks in the mornings. During the afternoon males visit dry river beds, well vegetated rocky river beaches and damp ground along sunlit forest tracks and roads to imbibe moisture.

Both sexes also bask on low foliage, with wings half open. They rarely spread the wings flat - the photographs depicting outspread wings on this page were taken as the butterfly constantly fanned its wings while walking about on a riverbed.



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