Low-Level Fluvalinate Treatment in the Larval Stage Induces Impaired Olfactory Associative Behavior of Honey Bee Workers in the Field.

Fluvalinate is a widely used insecticide for varroa mite control in apiculture. While most beekeepers have ignored the effects of low levels of fluvalinate on bees, this study aims to demonstrate its effects at very low concentrations. We first used fluvalinate doses ranging from 0.

Genomic Sequencing and Comparison of Sacbrood Viruses from and in Taiwan.

Sacbrood virus (SBV) was the first identified bee virus and shown to cause serious epizootic infections in the population of in Taiwan in 2015. Herein, the whole genome sequences of SBVs in and were decoded and designated AcSBV-TW and AmSBV-TW, respectively. The whole genomes of AcSBV-TW and AmSBV-TW were 8776 and 8885 bp, respectively, and shared 90% identity.

Screening of Differentially Expressed Microsporidia Genes from Infected Honey Bees by Suppression Subtractive Hybridization.

The microsporidium is a high prevalent parasite of the European honey bee (). This parasite is spreading across the world into its novel host. The developmental process, and some mechanisms of -infected honey bees, has been studied thoroughly; however, few studies have been carried out in the mechanism of gene expression in during the infection process.

Dynamics of Apis cerana Sacbrood Virus (AcSBV) Prevalence in Apis cerana (Hymenoptera: Apidae) in Northern Taiwan and Demonstration of its Infection in Apis mellifera (Hymenoptera: Apidae).

Since 2016, Apis cerana sacbrood virus (AcSBV) has been recorded in Taiwan. It is epizootic in Apis cerana (Hymenoptera: Apidae) and causing serious loss of A. cerana.

Evaluating the Effect of Environmental Chemicals on Honey Bee Development from the Individual to Colony Level.

The presence of pesticides in the beekeeping environment is one of the most serious problems that impacts the life of a honey bee. Pesticides can be brought back to the beehive after the bees have foraged on flowers that have been sprayed with pesticides. Pesticide contaminated food can be exchanged between workers which then feed larvae and therefore can potentially affect the development of honey bees.

Phylogenetic analysis and survey of Apis cerana strain of Sacbrood virus (AcSBV) in Taiwan suggests a recent introduction.

The Sacbrood virus (SBV) is widely distributed in European honey bees, Apis mellifera. AcSBV, a distinct SBV strain in Asian honey bees (A. cerana) causes larva death before pupation and often depopulates colonies, leading to collapse.