The Ecology and Biogeography of Australian Grasshoppers and Locusts

Abstract

C.t. number of generations per year depends on the length of the favourable period. Structure of vegetation is more important than composition. soil: direct (on eggs) and indirect effects (through vegetation) hummock (Triodia) grasslands conversion of the originally very widespread tall, dense Themeda-Poa grassland into a shorter and sparser Stipa-Danthonia community. This caused replacement of Gastrimargus musicus by Austroicetes spp., and Phaulacridium vittatum. More open communities are more arid. Acridinae are grass favouring species, they like it. grassland and other herbaceous communities (medium to tall grasses): L. migratoria, A. guttulosa, C.t., G. musicus chief vertebrate predators are birds, especially straw-necked ibis