9. Giant or Hedge grasshopper: Valanga irregularis (nymph)
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This pictorial guide is designed to assist with the identification of Australian locusts and grasshoppers of economic importance.
The three main pest species of locusts in Australia are the Australian plague locust (Chortoicetes terminifera), the spur-throated locust (Austracris guttulosa) and the migratory locust (Locusta migratoria).
The Australian plague locust, Chortoicetes terminifera, is the most important pest species of locust in Australia due to the large areas infested, the frequency of outbreaks and its ability to produce several generations in a year.
This section contains information on the history of locust plagues in Australia and the biology and ecology of the three main pest species of locusts.