REFERENCES
- Bilinski , M. 1977 . Method of rearing bumblebees in cages. . Pszczelnicze Zeszyty Naukowe , 21 : 237 – 240 .
- Bornus , L. 1975 . “ Hummelzuchtversuche haben eine reiche Tradition ” . In Compte-Rendu du III Symposium International sur la Pollinisation, Prague 15–18 mai 1974 279 – 290 . Bures-sur-Yvette , , France : O.P.I.D.A. .
- Crane , E. 1991 . Apis species of tropical Asia as pollinators, and some rearing methods for them. . Acta Horticulturae , 288 : 29 – 48 .
- Crane , E. 1992 . The past and present status of beekeeping with stingless bees. . Bee World , 73 : 29 – 42 .
- Duchateau , M. J. 1991 . Regulation of colony development in bumblebees. . Acta Horticulturae , 288 : 139 – 143 .
- Van Den Eijnde , J. , De Ruijter , A. and Van Der Steen , J. 1991 . Method for rearing Bombus terrestris continuously and the production of bumblebee colonies for pollination purposes. . Acta Horticulturae , 288 : 154 – 158 .
- Griffin , R. P. , Macfarlane , R. P. and Van Den Hende , H. J. 1991 . Rearing and domestication of long tongued bumble bees in New Zealand. . Acta Horticulturae , 288 : 149 – 153 .
- Manino , A. 1990 . 11 Sesto Simposio Internazionale sull'Impollinazione. . L'Apicoltore Moderno , 81 : 237 – 248 .
- Marletto , F. , Manino , A. and Negri , J. M. 1988 . Allevamento di Bombus spp. in cattività. . LApicoltore Moderno , 79 : 179 – 188 .
- Marletto , F. and Porporato , M. 1991 . Allevamento di Bombi per il servizio di impollinazione. . L'Apicoltore Moderno , 82 : 225 – 228 .
- Ptacek , V. 1991 . Trials to rear bumblebees. . Acta Horticulturae , 288 : 144 – 148 .
- Röseler , P. F. 1985 . A technique for year-round rearing of Bombus terrestris (Apidae, Bombini) colonies in captivity. . Apidologie , 16 : 165 – 170 .