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...

Aim: The solenopsis mealybug, Phenacoccus solenopsis Tinsley (Hemiptera: Pseudococcidae), is an important alien invasive pest recorded in China in the past several years and has a potential threat to cotton. In this study, the effects of constant and fluctuating temperatures on the growth and...

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 ...

Paysandisia archon is a Neotropical moth belonging to the family Castniidae (Lepidoptera), introduced into Europe with imported palms from Argentina, first reported in 2001 from Catalonia (Spain), which has spread to most European countries in the Mediterranean basin. This paper summarizes the...

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 box tree moth, Cydalima perspectalis (Walker, 1859), is one of the numerous exotic invasive species recently introduced in Europe. Since its introduction in France in 2008, its has rapidly spread and nowadays is present in more than 33 départements and 13 regions. Its spreading was due to its...

Each species requires certain amount of suitable habitat to fulfill its life needs. There are natural barriers for spreading the animals populations. For last 200 years anthropogenic changes of environment create another serious barriers. The main results of man activities can be degradation and...

Many tropical oceanic islands host unique taxa that have evolved in isolation from non-indigenous influences. Some of these endemic taxa are now threatened by man-induced changes that include the introduction of predators, competitors, vegetation and seed dispersers. While considerable progress has ...

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...