Jatropha gossypiifolia L. (bellyache bush) is a deciduous shrub from tropical America that was introduced into Australia as an ornamental and has since become a serious weed of rangelands and riparian zones in northern Australia. It forms dense thickets that degrade habitat, including suppressing...

Native from Eurasia, Vincetoxicum rossicum (Kleopow) Barbar Moench and V. nigrum (L.) Moench (Apocynaceae) invade forested landscapes of eastern North America where they prevent regeneration of native species. A third species, Vincetoxicum hirundinaria Medik., was also introduced but never reached ...

Diglyphus wasps are important bio-control agents for agromyzid leafminer, and have been studied and applied widely all over the world. In view that the agromyzid leafminers on vegetables, especially the invasive species, have rapidly spread and caused serious damage in China, the knowledge on the...

The invasive plant species, Spotted knapweed (Centaurea maculosa Lam.) and common tansy (Tanacetum vulgare L.), are altering native rangeland communities in western North America (Tyser and Key, 1988; Jacobs, 2008). To increase our understanding of why sheep consume these species to a certain...