Background: The invasive aquatic fern Azolla filiculoides has been present in Great Britain (GB) since the end of the nineteenth century, while its specialist natural enemy, the weevil Stenopelmus rufinasus was first recorded nearly four decades later, in 1921. The purpose of this study was to...

The objective of this study was to understand the status of the invasive species system in Bangladesh, including its responsiveness. A methodology was developed for identifying areas where the system can be strengthened, as well as for establishing a baseline against which changes in the...

The study seeks to understand the current status of the invasive species system in Zambia, including its responsiveness. A methodology was developed for identifying areas where the system can be strengthened, as well as establishing a baseline against which changes in system responsiveness can be...

Background: Invasive species affect the social, economic and health aspects of many farmers and are known to cause major losses with considerable costs spent on management. Several international agreements recognise the threat caused by invasive species which signatories have an obligation to...

Huanglongbing (HLB), also known as citrus greening disease, is one of the most devastating pathogens of citrus worldwide and is caused by closely-related species of systemic Candidatus bacteria. Vectored by the Asian citrus psyllid (ACP), Diaphorina citri, the heat-tolerant, Asian form of the...

Background: Invasive alien species (IAS) cause significant economic losses in all parts of the world. Although IAS are widespread in Africa and cause serious negative impacts on livelihoods as a result of yield losses and increased labour costs associated with IAS management, few data on the...

Crop pests (weeds, insect pests and pathogens) are recognised worldwide as a serious challenge to agricultural production and threat to food security. Potential losses due to weeds, animal pests and pathogens have been reported at 34%, 18% and 16%, respectively. In monetary terms losses can be...

Background: Although Kenya has a relatively high number of registered biopesticide products, little is known about biopesticide use by smallholders. This paper documents farmers' current use and perception of chemical pesticides and biopesticides, their willingness to pay for biopesticides, and the ...

In developing countries, invasive alien species (IAS) threaten smallholder farmer production and the food security of subsistence growers, but economic impacts are widely under-reported. Here, the economic impacts of IAS that threaten smallholder mixed maize farming in eastern Africa are presented. ...