Bombus haemorrhoidalis Smith is a native bumble bee pollinator exhibits an annual life cycle but for commercial rearing, year round rearing is intended. Colonies of B. haemorrhoidalis first reared under laboratory conditions and then shifted in the field for further development. Sexual forms were isolated and mating was done artificially in the laboratory. Laboratory mated queens were allowed to start the progeny under controlled conditions. Out of total experimental queens, 83.33 per cent queens started rearing brood and raised the population upto 150-180 workers and thus for the first time in the country successfully reared the bumble bees for more than fifteen months without undergoing hibernation. Different pests were also recorded.
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