Apis cerana F., a native honey bee of India, is an important crop pollinator and also managed for honey production and other bee products. In present study, 13 population samples were collected from different agro climatic regions of South India, with varied elevation ranging from 1 to 2268 m Mean Sea Level (MSL). The research work was carried out at the Division of Entomology and Nematology, I...

Products made by bees are well-known for their beneficial properties and nutritional value. This association has been proven scientific studies that describe composition biological activities. The aim of this study is to portray the state art on research regarding stingless bee honey. search standards guide trade these products still portrayed as a future perspective, since there significant di...

Assembly line balancing is significant for efficient and cost effective production of the products and is therefore gaining popularity in recent years. However, several uncertain events in assembly lines might causes variation in the task time and due to these variations there always remains a possibility that completion time of tasks might exceed the predefined cycle time. To hedge against thi...

Flower pollen is collected by honeybee foragers, adhered on their rear legs and transported into the hives in the form of pellets. Once in the hives, bee pollen is moisturised with nectar and bee mouth secretions and due to enzymatically modifications it becomes the so-called bee-bread, the protein reservoir of young bees. Bee pollen can be artificially removed from bee legs and collected by us...

1. When the parasitic mite Varroa jumped species from the eastern to the western honey bee, millions of infested bee colonies died. Recent work has revealed that the probable cause of this collapse is that mites provide a new route of transmission, by acting as a vector, for certain bee viruses. 2. Using a mathematical model parameterized by recently collected data on bee viruses, we investigat...

Despite their importance as pollinators in crops and wild plants, solitary bees have not previously been included in non-target testing of insect-resistant transgenic crop plants. Larvae of many solitary bees feed almost exclusively on pollen and thus could be highly exposed to transgene products expressed in the pollen. The potential effects of pollen from oilseed rape expressing the cysteine ...

There is currently a great deal of concern about population declines in pollinating insects. Many potential threats have been identified which may adversely affect the behaviour and health of both honey bees and bumble bees: these include pesticide exposure, and parasites and pathogens. Whether biological pest control agents adversely affect bees has been much less well studied: it is generally...

Wild bee conservation is regarded as essential for sustainable production of pollinator-dependent crops, yet little is known about the effects on wild bee communities of typical insect pest management programs used postbloom. We developed an insecticide program risk (IPR) index to quantify the relative risk to wild bees of insecticide programs applied to blueberry fields. This was used to deter...

In the present study, the effects of low (10 ng/bee) and high (100 ng/bee) doses of acetamiprid and deltamethrin insecticides on multi-trial learning and retrieval were evaluated in the honey bee Apis mellifera. After oral application, acetamiprid and deltamethrin at the concentrations used were not able to impair learning sessions. When the retention tests were performed 1 h, 6 h, and 24 h aft...

Executive Summary 3 1: Introduction 9 2: Factors causing bee declines – implications for agriculture 15 3: Ecological farming versus industrial agriculture – impacts on bees 21 4: Ecological pest control to eliminate the use of synthetic chemical pesticides 39 Appendix 1 54 Appendix 2 56 3 The drastic decline of wild and managed bee populations recorded in recent years in Europe and North Ameri...