(one synonym : Pseudaletia evansi)
HADENINAE, NOCTUIDAE, NOCTUOIDEA
(Photo: courtesy of the Macleay Museum, University of Sydney)
This Caterpillar is brown, with dashed black stripes along the back, and two wide pale stripes along the sides. The two dorsal stripes continue over the thorax and head. The head is also stippled in black and brown.
It is an agricultural pest, causing damage to http://agspsrv34.agric.wa.gov.au/ento/pestweb/Query1_1.idc?ID=550513406> pastures and crops. It hides by day, and feeds nocturnally on many plants, including :
They are called 'Army Worms' because of their habit of spreading out in a line across a lawn or pasture, and marching across it (somewhat slowly) consuming the foliage as they go.
The adult moth has forewings that are a speckled rusty brown, each with a white dot in the middle which is outlined in black.
The hind wings are buff with dark edges. It has a wingspan of about 4 cms.
The species is migratory, and occurs across most of Australia, including
Attempts to control the pest include :
Further reading :
Ian F.B. Common,
Moths of Australia, Melbourne University Press, 1990, fig. 50.2, pp. 45, 56, 59, 65, 466.
Catalogue of Lepidoptera Heterocera,
List of the Specimens of Lepidopterous Insects in the Collection of the British Museum,
Part 11 (1857), p. 711.
(updated 12 January 2013, 1 December 2014)