4Allen GR, Seeman OD, Schmid- Hempel P, Buttermore RE, 2007. Low parasite loads accompany the invading population of the bumblebee, 8ombus terrestris in Tasmania. Insect Soc. ,54: 56- 63,.
5Baer B, Schmid - Hempel P, 2001. Unexpected consequences of polyandry for parasitism and fitness in the bumblebee B. terrestris. Evolution, 55 : 1639 - 1643.
6Buttermore RE, 1997. Observations of successful Bombus terrestris ( L. ) ( Hymenoptera: Apidae) colonies in southern Tasmania. Aust. J. Entomol. , 36 : 251 - 254.
7Dafni A, Shmida A, 1996. The possible ecological implications of the invasion of Bombus terrestris (L.) (Apidae) at Mt Carmel, Israel. In: The Conservation of Bees. Matheson, A et al, eds. 183 -200. IBRA and Academic Press, London, UK.
8Donovan BJ, 1980. Interactions between native and introduced bees in New Zealand. N. Z. J. Ecol. , 3: 104-116.
9Estoup A, Solignac JM, Cornuet J, Goudet, Scholl A, 1996. Genetic differentiation of continental and island populations of Bombus terrestris (Hymenoptera: Apidae) in Europe. Mol. Ecol. , 5:19 -31.
10Goka K, Okabe K, Niwa S, Yoneda M, 2000. Parasitic mite infection in introduced colonies of European bumblebees, Bombus terrestris. Jap. J. Appl. Entonwl. Zool., 44:47-50. (In Japanese).