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October 2016 - August 2017
Royal Project Foundation, Chiang Mai, Thailand
- Research Assistant
A variety of beetle species can be associated with social bee colonies and may range from harmless associates to damaging parasites, thereby creating demand to better understand the nature of interactions between beetles and bees for each case (reviewed in Neumann et al. 2016). The black fungus beetle (=BFB; Alphitobius laevigatus (Fabricius, 1781)...
Reproductive strategies can act as strong selective forces on reproductive traits of male insects, resulting in species-specific variation in sperm quantity and viability. For solitary bees, basic measures of sperm quantity and viability are scarce. Here we evaluated for the first time quantity and viability of sperm in male Osmia cornuta solitary...
Stingless bee (Apidae, Meliponini) is a group of eusocial insects that widely distributed in the neotrophic regions of the globe. Similar to honeybees, stingless bees produce honey that is usually valued much higher, likely due to both its unique flavor and properties. In this study, honey samples produced by stingless bee Tetragonula laeviceps spe...
1. Agricultural chemicals such as neonicotinoid insecticides are believed to be one important factor responsible for the recent reduction in health of pollinating insects like the western honeybee (Apis mellifera). However, effects of neonicotinoids on male (drone) honeybee health remain severely understudied. 2. We examined for the first time the...
Bee venom (BV), or apitoxin, is a complex substance produced by a gland in the abdominal cavity of bees. The main component of BV is melittin, which is a largely studied substance due to its biological properties. To date, the most well-known bee venom and melittin are derived from domesticated honey bees, while venom and melittin derived from wild...
This study aimed to revealed anti-inflammatory and antimicrobial activities of fermented Ocimum sanctum Linn. (FE). The fermentation process with Lactobacillus plantarum was compared with the solvent extraction methods. Antimicrobial activity against the growth of Staphylococcus aureus , Staphylococcus epidermidis , Propionibacterium acnes , Candid...
The ubiquitous use of agrochemicals is one driver for the ongoing loss of insect biomass and diversity. Data show that field-realistic concentrations of neonicoti-noid insecticides can negatively affect both population density and the fitness of solitary bees. However, the underlying mechanisms for these effects remain poorly understood. Here, usin...