Arrhenes martha

 

MORPHOLOGY

The descriptions below are on the genus level. For difference between the species we recommend to look at the pictures or look up the original species description.

 

External characteristics

Forewing length (mm): 13-16.

General morphology:
Antennae longer than half of length of forewing, apiculus obtuse and longer than width of club, nudum 13-17 segments. Forewing rounded-triangular, costa almost straight, termen evenly curved, hind margin slightly longer than termen. Hindwing termen rounded, inner margin as long as costa.

Wing coloration:

Upper side: Upper side forewing dark brown with more or less complete series of yellow/orange discal spots separated by blackish veins, also yellow/orange area in cell which may extend to costa. Upper side hindwing dark brown with continuous series of yellow/orange discal spots, vague spot near base in cell

Underside: Underside similar to upper side, but with weaker or stronger yellow/orange super-scaling.

Secondary sexual characters:

 
On the upper side of the forewing there is generally a discal stigma in the male.  

Species

 
Seven species, extending from Lesser Sunda Islands and Moluccas to New Guinea and Australia.

Similar genera

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