Superfamily - BOMBYCOIDEA
Family - SATURNIIDAE
subfamily Brahmaeinae is elevated in rank to a full family by some
authorities. It comprises of 7 genera and about 40 species. It has
representatives in South America, Europe, the Oriental region and
Brahmaea is the most well known genus,
and comprises of 8 species - ardjoeno,
Brahmaea japonica is found only in
species is found in humid deciduous forest.
eggs are pale brown, smooth and dome-shaped. They are laid in
clusters of between 3-10 on the leaves of the foodplants which
Fraxinus ( Oleaceae ). During
the early instars the caterpillar is white, marked with black and
yellow. It has 4 very long wiry black filaments arising from the
thoracic segments, and 3 more at the tail. In the final instar the
filaments are lost and are replaced by short tubercles. The pupa is
blackish. It is formed on the ground under stones or logs.
The adults are
nocturnal, and rest during the daytime on tree trunks.
Fukuoka, Kyushu Japan