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...

Rice ecosystem often involves a complex interaction of various pest species with rice. An example of such interaction is that between the invasive Pomacea spp. and Limnocharis flava. Both invasive pests have caused heavy loss to rice in Southeast Asia including Malaysia. However, information on the ...

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...

The last two years (2010 and 2011) tomato crops from west of Romania have been invaded a new pest species known as Nezara viridula (southern green stink bugs). This pest is dangerous both stage adult and larva, too. The fruits of tomato are quantitatively and qualitatively affected. First, on...

The study was carried out from May 2009 to April 2010 to investigate the stomach contents of Gudusia chapra from silinga beel situated in lakhimpur district (26.48′ and 27.53′ northern latitude and 93.42′ and 94.20′ east longitude) of Assam, N-E India. The main stomach content of the specimen fall...

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...