Bumble bee pathogens and internal enemies

[11] BORCHERT A., 1966, KRANKHEITEN SCHADLIN, P428

[12] WORLD DISTRIBUTION OF MAJOR HONEYBEE DISEASES AND PESTS [J]. BEE WORLD, 1988, 69 (01) : 15 - 39

[13] CANTWELL GD, 1974, INSECT DISEASES, V1

[14] Chmielewski W., 1971, Ekologia Polska, V19, P57

[15] SPIROPLASMA-MELLIFERUM, A NEW SPECIES FROM THE HONEYBEE (APIS-MELLIFERA) [J]. INTERNATIONAL JOURNAL OF SYSTEMATIC BACTERIOLOGY, 1985, 35 (03): : 296 - 308

[16] ENTOMOPOXVIRUS-LIKE PARTICLES IN 3 SPECIES OF BUMBLEBEES [J]. JOURNAL OF INVERTEBRATE PATHOLOGY, 1982, 39 (01) : 119 - 122

[17] Crane E, 1990, BEES BEEKEEPING SCI

[18] CUMBER R. A., 1949, PROC ROY ENT SOC LONDON SER A, V24, P119

[19] de Jonghe R., 1986, Phegea, V14, P19

[20] DERUIJTER A, 1992, BUBLE BEE QUEST, V2, P1

[11] BORCHERT A., 1966, KRANKHEITEN SCHADLIN, P428

[12] WORLD DISTRIBUTION OF MAJOR HONEYBEE DISEASES AND PESTS [J]. BEE WORLD, 1988, 69 (01) : 15 - 39

[13] CANTWELL GD, 1974, INSECT DISEASES, V1

[14] Chmielewski W., 1971, Ekologia Polska, V19, P57

[15] SPIROPLASMA-MELLIFERUM, A NEW SPECIES FROM THE HONEYBEE (APIS-MELLIFERA) [J]. INTERNATIONAL JOURNAL OF SYSTEMATIC BACTERIOLOGY, 1985, 35 (03): : 296 - 308

[16] ENTOMOPOXVIRUS-LIKE PARTICLES IN 3 SPECIES OF BUMBLEBEES [J]. JOURNAL OF INVERTEBRATE PATHOLOGY, 1982, 39 (01) : 119 - 122

[17] Crane E, 1990, BEES BEEKEEPING SCI

[18] CUMBER R. A., 1949, PROC ROY ENT SOC LONDON SER A, V24, P119

[19] de Jonghe R., 1986, Phegea, V14, P19

[20] DERUIJTER A, 1992, BUBLE BEE QUEST, V2, P1