Sugarcane Top Borer
(one synonym : Schoenobius celidias Meyrick, 1894)
SCHOENOBIINAE , CRAMBIDAE , PYRALOIDEA
(Photo: courtesy of Graeme Cocks, Townsville, Queensland)
The caterpillars of this species are off-white with a reddish dorsal line. The caterpillars bore into the stems and midrib veins of plants in POACEAE, and are a minor pest on
The caterpillars grow over a period of about 3 weeks. The metamorphosis takes about 2 weeks.
The adult moths are white with pale brown veins. The thorax loses scales easily, becoming black. The females have a reddish tuft on the tip of the tail. The moths have a wingspan of about 3 cms. The moths typically only live for up to 4 days. The pheromones of this species have been determned.
The species is found across south-east Asia, including
and also occurs in Australia in
Control of the pest has been investigated using:
Further reading :
Johan Christian Fabricius,
Entomologia Systematica Emendata et Aucta,
Volume 3, Part 2 (1794), p. 296, No. 39.
A Revision of the Old World Species of Scirophaga (Lepidoptera: Pyralidae),
Bulletin of the British Museum (Natural History),
Volume 42 (1982), p. 192.
(written 22 January 2013)