Cotton Web Sphinner
(formerly known as Isocentris unicolor)
PYRAUSTINI, PYRAUSTINAE, CRAMBIDAE, PYRALOIDEA
(Photo: Don Herbison-Evans)
The Caterpillar is brown with a pair of warts on the back of each segment. It has a brown head with rusty markings. It lives gregariously between leaves of its food plant joined together with silk.
It grows to a length of about 2 cms, and pupates in its leafy shelter.
The adult of this species is a pale brown colour with faint dark zig-zag lines across the wings, and a narrow black line along each wing margin. It also has a small transparent window at the base of each hindwing, which is characteristic of all species in the genus Hyalobathra. The moth has a wingspan of about 2 cms.
It has been found in
In the past: specimens of this species have been confused with Hyalobathra illectalis, which does not occur in Australia.
Further reading :
Hari Sutrisno and Marianne Horak,
Revision of the Australian species of Hyalobathra Meyrick (Lepidoptera: Pyraloidea: Crambidae: Pyraustinae) based on adult morphology and with description of a new species,
Australian Journal of Entomology,
Volume 42, Number 3 (August 2003), pp. 233–248.
New Genera and Species of Pyralidae, Thyrididae, and Epiplemidae,
Annals and Magazine of Natural History,
Series 6, Part 16 (1895), p. 472.
(updated 24 February 2004, 8 August 2020)