The Serrodes Guenée group
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Anereuthina renosa Hübner
Anereuthina renosa
Hübner, 1823, Zuträge Samml. exot. Schmett., 2: 23.
Hypaetra lilach Guenée, 1852, Hist. nat. Insectes, Spec. gén. Lépid. 7: 260, syn. n.
Hypaetra occularia Swinhoe, 1890, Trans. ent. Soc. London, 1890: 246, syn. n.

Anereuthina renosa

. The forewings are approximately triangular, but with a rounded dorsum, a rich caramel brown that is variably and lightly traversed by pale mauve fasciation (sometimes barely evident). In the centre of the forewing at about two thirds there is usually a marking that may consist of two small black or fawn ellipses or a larger disc, emarginate anterobasally, again either black or fawn. The hindwings are duller brown, with a doubly shallowly excavate zone of the margin near the tornus where the fringes are paler.

Taxonomic note. No significant differences in the male genitalia were noted in the joint range of the taxa brought into synonymy, though the species is variable, particularly in the extent of the black marking in the centre of the forewing. The type of lilach is in BMNH according to Poole (1989) but has not been located. 

Geographical range. Sundaland, Philippines, Burma. 

Habitat preference. During the Mulu survey three specimens were taken in hill dipterocarp forest at the foot (150m) of G. Mulu, but four were recorded in lower montane forest at 900m on the limestone G. Api. Records from Brunei are all from lowland forest except for one specimen from 1618m on Bukit Retak. 

Biology. There are two paintings of larvae attributed to Anereuthina in BMNH, together with one of a pupa and a pupal specimen in a cocoon.

Both larvae shown are semi-loopers with the proleg on A3 considerably reduced, but that on A4 only slightly so. The head and body have a reticulate pattern of variably sized black rectangles in a pale grey matrix; the thickness of the pale grey relative to the rectangles differs in the two illustrations. The pale grey is marked orange in places, and there is more extensive orange in a saddle across A1, on the sides of the prolegs, and in further saddles across A8, which is strongly humped, and A9.

Pupation is in a silken cocoon within a leaf. The pupa lacks any powdery bloom.

The host plant is
Elaeis (Palmae) (Yunus & Ho, 1980; Robinson et al. 2001).

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