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Impact of invasive apple snails on the functioning and services of natural and managed wetlands
TLDR
Evidence for the impact of apple snails on natural and managed wetlands focusing on those studies that have elucidated impact mechanisms is reviewed, finding that greater attention to impact monitoring is required.
Pathogen prevalence in commercially reared bumble bees and evidence of spillover in conspecific populations
TLDR
Implementing measures that prevent the interaction of commercially reared and wild bumble bees by integrating the enforcement of national best management practices for users of commercial pollinators with international legislation that regulates the sanitation of commercial hives in production facilities are suggested.
Rice Resistance to Planthoppers and Leafhoppers
TLDR
The review calls for a greater diversity of phenotyping methods to enhance the durability of resistant varieties developed using marker-aided selection and emphasizes a need to anticipate the development of virulent hopper populations in response to the field deployment of genes.
Planthopper "adaptation" to resistant rice varieties: changes in amino acid composition over time.
TLDR
The change in amino acid composition of planthoppers suggests an underlying change in protein expression or amino acid metabolism over time.
Mechanisms of resistance : a major gap in understanding planthopper-rice interactions
Host-plant resistance (HPR) has been a valuable tool in the management of planthoppers. However, experience with the brown planthopper, Nilaparvata lugens (Stål), indicates that field resistance is
Effects of deforestation on diversity, biomass and function of dung beetles on the eastern slopes of the Peruvian Andes
TLDR
It is indicated that deforestation results in a reduced efficiency in decomposition by dung beetles that can be attributed mainly to reduced assemblage biomass at individual dung pats.
Population genetic structure of Bombus terrestris in Europe: Isolation and genetic differentiation of Irish and British populations
TLDR
The data suggest that the Irish Sea and prevailing south westerly winds act as a considerable geographical barrier to gene flow between populations in Ireland and Britain; however, some immigration from the Isle of Man to Ireland was detected.
A review of principles for sustainable pest management in rice
TLDR
This review addresses four principles on which sustainable pest management in rice is to be grounded, and shows that the considered framework – Human - Pest - Environment - Crop – applies, with each of its summits having a different bearing depending on the pest considered.
Aggregated distribution of resources creates competition refuges for rainforest dung beetles
TLDR
Results indicate that an aggregated distribution of dung and natural variability in patch size contribute to species coexistence by creating low-density refuges for weaker competitors.
RECORDS OF AN INVASIVE DUNG BEETLE SPECIES, DIGITONTHOPHAGUS GAZELLA (FABRICIUS, 1787) (COLEOPTERA: SCARABAEIDAE), IN PERU
TLDR
The first reports of D. gazella in Peru indicate that the species is now, perhaps, the most widespread dungbeetle in tropical and subtropical pastures and continues to expand range as it invades new regions following the anthropogenic clearing of forests.
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