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Etanna
brunnea
Hampson comb. n.
Nanaguna brunnea Hampson, 1905, Ann. Mag. nat. Hist. (7), 16: 583.
Nanaguna
praedulcis
Turner, 1920, Proc. R. Soc. S. Aust., 44: 177,
syn. n.
Diagnosis. This is a larger, more uniform (the greatest variegation is at
the forewing tornus) pale fawn-brown species resembling breviuscula but
lacking the hindwing modification in the male. In some specimens the medial zone
is darker brown at the costa, and in others this continues in a diffuse,
elliptical course to meet the costa again subbasally. The modification of the
male eighth segment and genitalia to face dorsally has been mentioned in the
generic account. The tegumen is produced into socii as in the previous two
species, but these are much shorter.
Taxonomic note. Specimens from Queensland attributable to praedulcis
do not differ from brunnea in facies or genitalia.
Geographical range. Indo-Australian tropics to Queensland and the Solomons
Habitat preference.
Two specimens were taken during the Mulu survey:
from alluvial forest at 70m and from hill dipterocarp forest at 500m on G. Mulu.
There is also an older specimen from Pulo Laut, a low-lying island at the
south-east of Borneo.
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