Bibliography of Refereed Research Publications by Tibor I. Szabo

1. Szabo, T.I. and M.V. Smith. 1972. The influence of light intensity and temperature on the activity of the alfalfa leaf-cutter bee Megachile rotundata under field conditions. Journal of Apicultural Research 11(3): 157-165.
   
   

2. Szabo, T.I. and D.H. Pengelly. 1973. The over-wintering and emergence of Bombus (Pyrobombus) impatiens Cress., (Hymenoptera: Apidae) in southern Ontario. Insectes Sociaux, Paris 20(2): 125-132.
   
   

3. Szabo, T.I. and M.V. Smith. 1973. Behavioural studies on queen introduction in honey bees (Apis mellifera L.) V. Behavioural relationship between pairs of queens without worker attendants. Proceedings Entomological Society of Ontario 103: 87-96.
   
   

4. Szabo, T.I. and G.F. Townsend. 1974. Behavioural studies on queen introduction in the honey bee. 1. Effect of the age of workers (from a colony with a laying queen) on their behaviour towards an introduced virgin queen. Journal of Apicultural Research 13(1): 19-25.
   
   

5. Szabo, T.I. 1974. Behavioural studies on queen introduction in the honey bee. 2. Effect of age and storage conditions of virgin queens on their attractiveness to workers. Journal of Apicultural Research 13(2): 127-135.
   
   

6. Szabo, T.I. 1974. Behavioural studies on queen introduction in the honey bee. 3. Relationship between queen attractiveness to workers and worker aggressiveness towards a queen. Journal of Apicultural Research 13(3): 161-171.
   
   

7. Szabo, T.I. 1975. Effect of confinement on the weight of honey bee queens. Journal of Apicultural Research 14(1): 9-14.
   
   

8. Szabo, T.I. 1975. Overwintering of honey bee queens. 1. Maintenance of honey bee queens in solitary confinement. Journal of Apicultural Research 14(2): 69-74.
   
   

9. Szabo, T.I. 1977. Overwintering of honey bee queens. 2. Maintenance of caged queens in queenless colonies. Journal of Apicultural Research 16(1): 41-46.
   
   

10. Szabo, T.I. 1977. Behavioural studies on queen introduction in the honey bee. 6. Multiple queen introduction. Journal of Apicultural Research 16(2): 65-83.
    
    

11. Szabo, T.I. 1977. Effect of colony size and ambient temperature on comb building and sugar consumption by honeybees. Journal of Apicultural Research 16(4): 174-183.
    
    

12. Szabo, T.I. 1978. Queen introduction in push-in cages and mailing cages. Journal of Apicultural Research 17(1): 41-43.
    
    

13. Szabo, T.I. 1980. Outdoor wintering of Italian and Caucasian-Italian hybrid honey bees. American Bee Journal 120(7): 513, 514 & 517.
    
    

14. Szabo, T.I. 1980. Effect of weather factors on honeybee flight activity and colony weight gain. Journal of Apicultural Research 19(3): 164-171.
    
    

15. Salmon, R.E. and Szabo, T.I. 1981. Dried bee meal as a feedstuff for growing turkeys. Canadian Journal of Animal Science 61: 965-968.
    
    

16. Murrell, D.C. and Szabo, T.I. 1981. Pollen collection by honey bees at Beaverlodge, Alberta. American Bee Journal 121 ( 12); 885-888.
    
    

17. Fingler, B.G., Nash, W.T. and Szabo, T.I. 1982. A comparison of two techniques for the measurement of nosema disease in honey bee colonies wintered in Alberta, Canada. American Bee Journal 122(5): 369-371.
    
    

18. Szabo, T.I. 1982. Nectar secretion by 28 varieties and breeder's lines of two species of rapeseed (Brassica napus and B. campestris). American Bee Journal 122(9): 645-647.
    
    

19. Szabo, T.I. 1982. Phenotypic correlations between colony traits in the honey bee. American Bee Journal 122(10): 711-716.
    
    

20. Szabo, T.I. 1982. Requeening honeybee colonies with queen cells. Journal of Apicultural Research 21(4): 208-211.
    
    

21. Szabo, T.I. 1983. Effects of various entrances and hive direction on outdoor wintering of honey bee colonies. American Bee Journal 123(1): 47-49.
    
    

22. Szabo, T.I. 1983. The Alberta nucleus hive. American Bee Journal 123(3): 207-209.
    
    

23. Szabo, T.I. 1983. Effect of various combs on the development and weight gain of honeybee colonies. Journal of Apicultural Research 22(1): 45-48.
    
    

24. Barbo, J.R. and Szabo, T.I. 1984. A comparison of instrumentally inseminated and naturally mated queens. Journal of Apicultural Research 23(1): 31-36.
    
    

25. Szabo, T.I. 1984. Nectar secretion of dandelion. Journal of Apicultural Research 23(4): 204-208.
    
    

26. Szabo, T.I. 1985. The thermology of wintering honey bee colonies in 4-colony packs as affected by various hive entrances. Journal of Apicultural Research 24(1): 27-37.
    
    

27. Szabo, T.I. 1985. Variability of flower, nectar, pollen and seed production in some Canadian canola (rapeseed) varieties. American Bee Journal 125(5): 351-354.
    
    

28. Szabo, T.I. and Najda, H.G. 1985. Flowering, nectar secretion and pollen production of some legumes in the Peace River region of Alberta, Canada. Journal of Apicultural Research 24(2): 102-106.
    
    

29. Szabo, T.I. and Heikel, D.T. 1986. Solar pollen substitute feeder. Bee World 67: 45-49.
    
    

30. Szabo, T.I. 1986. The modified Alberta nucleus hive. American Bee Journal 126(8): 552-554.
    
    

31. Szabo, T.I. and Heikel, D.T. 1987. Effect of dry Fumagillin feeding on spring Nosema spore counts in overwintered colonies. American Bee Journal 127(3): 210-211.
    
    

32. Szabo, T.I. and Hiekel, D.T. 1987. Fumigation with S02 to control dried fruit moth in honeybee combs. Bee World 68(1): 37-38.
    
    

33. Szabo, T.I. 1986. Mating distance of the honeybee in north-western Alberta, Canada. Journal of Apicultural Research 25(4): 227-233.
    
    

34. Szabo, T.I. and Heikel, D.T. 1987. Patterns of honeybee colony gain in Alberta, Canada. Journal of Apicultural Research 26(1): 47-52.
    
    

35. Szabo, T.I., Mills, P.F. and Heikel, D.T. 1987. Effect of honeybee queen weight and air temperature on initiation of oviposition. Journal of Apicultural Research 26(2): 73-78.
    
    

36. Szabo, T.I. and Heikel, D.T. 1987. Numbers of spermatozoa in spermathecae of queens aged 0 to 3 years reared in Beaverlodge, Alberta. Journal of Apicultural Research 26(2): 79-82.
    
    

37. Szabo, T.I. and Lefkovitch, L.P. 1987. Fourth generation of closed-population honeybee breeding. 1. Comparison of selected and control strains. Journal of Apicultural Research 26 (3) : 170-180.
    
    

38. Szabo, T.I. and Heikel, D.T. 1987. Effect of fumagillin treatment on Nosema infection, survival and populations of overwintering honeybee colonies. Journal of Apicultural Research 26(3): 186-190.
    
    

39. Szabo, T.I. 1989. Determining foraging populations of individual honey bee colonies. American Bee Journal 129(1): 43-46.
    
    

40. Szabo, T.I. 1987 (printed in 1989). Outdoor wintering of honeybees in multiple-nucleus and four-colony packs of honeybees. Journal of Apicultural Research 26(4): 238-239.
    
    

41. Szabo, T.I. and Lefkovitch, L.P. 1988. Fourth generation of closed population honeybee breeding. 2. Relationship between morphological and colony traits. Apidologie 19(3): 259-274.
    
    

42. Szabo, T.I. 1989. Thermology of wintering honey-bee colonies in 4-colony packs. 1. The direct effects of hive insulation on colony temperatures. American Bee Journal 129(5): 338-339.
    
    

43. Szabo, T.I. 1989. Thermology of wintering honey-bee colonies in 4-colony packs. 2. Effects of the removal of insulation on colony temperatures. American Bee Journal 129(6): 405-406.
    
    

44. Szabo, T.I. 1989. Thermology of wintering honey-bee colonies in 4-colony packs. 3. Cluster positions. American Bee Journal 129(7): 472-473.
    
    

45. Szabo, T.I. 1989. Thermology of wintering honey-bee colonies in 4-colony packs. 4. Colony population and honey production. American Bee Journal 129(8): 554-555.
    
    

46. Szabo, T.I. and Lefkovitch, L.P. 1989. Effect of brood production and population size on honey production of honeybee colonies in Alberta, Canada. Apidologie 20(2): 157-163.
    
    

47. Szabo, T.I. 1988. (Printed in 1989). Honeybee induced hive entrance defrosting. Journal of Apicultural Research 27(2): 115-121.
    
    

48. Szabo, T.I. and Heikel, D.T. 1989. Solar pollen substitute feeder. (In Spanish). Vida Apicola 28(Nov.-Dec.): 14-18.
    
    

49. Szabo, T.I. and L.P. Lefkovitch. 1989. Effect of brood production and population size on honey production of honey bee colonies. XXXII Int. Apic. Congr. of APIMONDIA, Rio de Janeiro, Brazil. October 22-28, 1989 (Program and Abstrast of Reports) p. 237.
    
    

50. Szabo, T.I. 1990 Morphometric characteristics of Apis cerana from Sri Lanka. Apidologie 21(6): 505-509. [abstract]
    
    

51. Szabo, T.I. and L.P. Lefkovitch. 1991. Effects of honey removal and supering on honey bee colony gain. American Bee Journal 131: 120-122.
    
    

52. Szabo, T.I. and L.P. Lefkovitch. 1991. Development of overwintered honey bee colonies with one- and two-year-old queens. Bee Science 1(3): 144-150.
    
    

53. Szabo, T.I., L.P. Lefkovitch and K.J. Clark. 1991. Comparative resistance of honey bees from a closed population to infestation by tracheal mites. American Bee Journal 131: 643-645.
    
    

54. Szabo, T.I. and L.P. Lefkovitch. 1992. Heritability of colour patterns in a closed population of honey bees. Apidologie 23: 151-159. [abstract]
    
    

55. Szabo, T.I., P. Sporns and L.P. Lefkovitch. 1992. Effects of frequency of honey removal and empty comb space on honey quantity and quality. Bee Science 2(4): 187-192.
    
    

56. Szabo, T.I. 1993. Brood rearing in outdoor wintered honey bee colonies. American Bee Journal 133(8): 579-580.
    
    

57. Szabo, T.I. 1993. Length of life of queens in honey bee colonies. American Bee Journal 133(10): 723-724.
    
    

58. Szabo, T.I. and P. Sporns. 1994. A comparison of top and bottom supering on honey quantity and quality. American Bee Journal 134(10): 695-696.
    
    

59. Szabo, T.I. and C.R.T. Walker. 1995. Damages to dead Varroa iacobsoni caused by the larvae of Galleria mellonella. American Bee Journal 135(6): 421-422.
    
    

60. Szabo, T.I. 1995. The production of drone comb and drone brood in honey bee colonies. American Bee Journal 135(9): 642~643.
    
    

61. Szabo, T.I. 1996. Heritability of color patterns of honey bees with selected queens and random drones. American Bee Journal 136(4): 283-284.
    
    

62. Szabo, T.I. and C.R.T. Walker. 1996. Rate of infestation of honey bee colonies by Varroa iacobsoni. American Bee Journal 136(6): 447-448.
    
    

63. Szabo., T.I., C.R.T. Walker and A.E. Mueller. 1996. Grooming behavior as a Varroa resistance characteristic in honey bee colonies. American Bee Journal 136(7): 515-517.
    
    

64. Szabo., T.I. 1996. Scale colony records as indicators for nectar-producing plants in southern Ontario. American Bee Journal 136(10): 733-736.

Bibliography of Miscellaneous Publications by Tibor I. Szabo

1. Szabo, T.I. and M.V. Smith. 1970. The use of Megachile rotundata for the pollination of greenhouse cucumbers. Ninth Pollination Conference. Hot Springs, Arkansas. MP 127: 95-103.
   
   

2. Szabo, T.I. [Bee Research Association (General Editor E.E. Crane)]. 1972. Dictionary of beekeeping terms with allied scientific terms: Supplement I to Volumes I-IV, giving translations from and into English-Hungarian. London, U.K., Bee Research Association. 45 pp.
   
   

3. Szabo, T.I. 1973. Over-wintering large numbers of honey bee queens, Apis mellifera L., under field and laboratory conditions. Paper presented on the 110th Annual Meeting of the Entomological Society of Ontario (31 October - 2 November): 78.
   
   

4. Szabo, T.I. 1973. Comparison of the behavioural response of queenless caged workers and nuclei of Apis mellifera L. towards introduced queens. American Bee Journal 113(4): 136 and 138.
   
   

5. Szabo, T.I. 1973. Relationship between weight of honey bee queens (Apis mellifera L.) at emergence and at the cessation of egg laying. American Bee Journal 113(7): 250-251.
   
   

6. Szabo, T.I. 1974. Behavioural studies on queen introduction in the honey bee. 4. Introduction of queen models into honey bee colonies. American Bee Journal 114(5): 174-176.
   
   

7. Szabo, T.I. 1974. Outdoor wintering of honey bee colonies in the Nipawin area of Saskatchewan. Canadian Beekeeping 4(12): 89-91.
   
   

8. Szabo, T.I. 1975. Comb building after the honeyflow. American Bee Journal 115(8): 306-307 and 322. Canadian Beekeeping 5(8): 57.
   
   

9. Szabo, T.I. 1976. Comb building for colony increase. Canadex, June. Bees Apiculture 616.
   
   

10. Szabo, T.I. 1977. Sulfur as a substitute for calcium cyanide. Canadian Beekeeping 6(11): 141.
    
    

11. Szabo, T.I. 1978. Requeening honey bee colonies. Northern Research Group Publication No. 78-5.
    
    

12. Szabo, T.I. (Co-Author). 1978. Dictionary of beekeeping terms, Vol. 6, English-Finnish-Hungarian. Apimondia and International Bee Research Association. Apimondia Publishing House, Bucharest, Romania. 104 pp.
    
    

13. Szabo, T.I. 1978. The 25th Beaverlodge Beekeepers' Field Day. Canadian Beekeeping 7(8): 113, 116 & 117.
    
    

14. Szabo, T.I. 1979. Queen introduction. Canadex November, Bees 616.
    
    

15. Szabo, T.I. 1979. Alberta bee breeding program. Canadian Beekeeping 8(2): 22-23.
    
    

16. Szabo, T.I. 1979. Breeding, disease, management and wintering program on the Beaverlodge Field Day. Canadian Beekeeping 8(3): 33, 36-37.
    
    

17. Szabo, T.I. 1980. Apicultural Research at Beaverlodge. American Bee Journal 120(3): 186-191 and 200-201.
    
    

18. Szabo, T.I. 1980. Seasonal management of honey bee colonies. Canadian Beekeeping 8(7): 97-100; (8): 113; (8): 129; (8): 187-188.
    
    

19. Szabo, T.I. 1980. Alberta bee breeding program. Canadian Beekeeping 8(7): 108.
    
    

20. Szabo, T.I. 1980. Requeening. Gleanings in Bee Culture Feb: 73.
    
    

21. Szabo, T.I. 1980. Meet the beekeepers at Beaverlodge. Canadian Beekeeping 8(12): 177 and 180.
    
    

22. Szabo, T.I. and Nelson, D.L. 1981. Beekeeping in Western Canada. Agriculture Canada Publication No. 1542.
    
    

23. Szabo, T.I. 1981. Queen rearing. Northern Research Group Publication No. 81-4.
    
    

24. Szabo, T.I. 1981. Wintering honey bee colonies. Northern Research Group Publication No. 81-5.
    
    

25. Szabo, T.I. 1981. Phenotypic correlations between colony traits in the honey bee. Paper presented at the Symposium of the Entomological Society of Canada, Banff October 9, 1981.
    
    

26. Fingler, B.G., Nash, W.T. and Szabo, T.I. 1981. A comparison of two techniques involved in the measurement of nosema disease in honey bee colonies wintered in Alberta, Canada. Paper presented at the Symposium of the Entomological Society of Canada, Banff October 9, 1981.
    
    

27. Szabo, T.I. 1982. Phacelia tanacetifolia as a honey plant. Canadian Beekeeping 9(9): 151; Skeptic 1(3): 7.
    
    

28. Szabo, T.I. and Neilson, S.D. 1982. A modified hive top feeder. American Bee Journal 122(7): 488-489.
    
    

29. Fingler, B.G., Nash, W.T. and Szabo, T.I. 1982. A comparison of two techniques for the measurement of nosema disease in honey bee colonies wintered in Alberta, Canada. Skeptic 1(2): 16-17 and 2(1): 13-14.
    
    

30. Szabo, T.I. 1982. Annual report 1982. Skeptic 2(2): 19-21.
    
    

31. Szabo, T.I. and Neilson, S.D. 1983. A modified hive top feeder. Skeptic 2(3): 14.
    
    

32. Szabo, T.I. 1983. Annual report 1983. Canadian Beekeeping 11(2): 39.
    
    

33. Szabo, T.I. 1984. Alberta Bee Breeding Program (Final Report) 243 pp.
    
    

34. Szabo, T.I. 1984. Sugar:wax ratio in comb building. Gleanings in Bee Culture 112(11): 610.
    
    

35. Szabo, T.I. 1985. Bee Calm - more tests needed. American Bee Journal 125(2): 79.
    
    

36. Szabo, T.I. 1985. Acarine Disease in New York State. Skeptic 4 (3/4): 19.
    
    

37. Szabo, T.I. 1986. Bee breeding research results in 1985. Canadian Beekeeping 12(7): 149. Skeptic Febr.-March: 14
    
    

38. Szabo, T.I. and Heikel, D.T. 1986. Insulated hive cover and bottom board for beekeeping in cold climates. American Bee Journal 126(7): 481-483.
    
    

39. Szabo, T.I. 1986. An apiculturist's visit to Chile. American Bee Journal 126(7): 478-480.
    
    

40. Szabo, T.I. 1987. Highlights of the honey bee breeding program in 1986. Skeptic March-May: 17. Canadian Beekeeping 13(5): 108-109.
    
    

41. Szabo, T.I. 1987. Queen introduction. Canadian Beekeeping 13(6): 131.
    
    

42. Szabo, T.I. 1987. Queen rearing in northern California. American Bee Journal 127(6): 444-448.
    
    

43. Szabo, T.I. 1987. Queen rearing in Chile. American Bee Journal 127(8): 568-571.
    
    

44. Szabo, T.I. 1988. Sri Lanka: the bee paradise. American Bee Journal 128(6): 405,406,408,409.
    
    

45. Szabo, T.I. 1988. 1987-1988 research results of the honey bee breeding program at Beaverlodge. Canadian Beekeeping 14(7): 162-163.
    
    

46. Szabo, T.I. 1989. The capping scratcher: A tool for detection and control of Varroa jacobsoni. American Bee Journal 129(6): 402-403.
    
    

47. Szabo, T.I. 1990. Report on the 10th and final year of the bee breeding program. Canadian Beekeeping 15(6): 134-137.
    
    

48. Szabo, T.I. 1990. Morphometric characteristics of Apis cerana from Sri Lanka. American Bee Journal 130(12): 815.
    
    

49. Szabo, T.I. and L.P. Lefkovitch. 1990. Effects of honey removal and supering on honey bee colony gain. American Bee Journal 130 (12): 815-816.
    
    

50. Szabo, T.I. and L.P. Lefkovitch. 1990. Development of overwintered honey bee colonies with one- and two-year-old queens. Am. Bee Res. Conf., October 1 and 2. American Bee Journal 130(12): 815.
    
    

51. Clark, K.J., E. Huxter, N.J. Gates and T.I. Szabo. 1990. Screening breeder stock in British Columbia for resistance to tracheal mites. Am. Bee Res. Conf., October 1 and 2. American Bee Journal 130(12): 800.
    
    

52. Szabo, T.I. and L.P. Lefkovitch. 1991. Effect of brood production and population size on honey production of honey bee colonies in Alberta, Canada. Research Highlights 1990: 3.
    
    

53. Szabo, T.I. L.P. Lefkovitch and K.J. Clark. 1991. Comparative resistance of honey bees from a closed population to infestation by tracheal mites. Research Highlights 1990: 3; 1992. The Sting 10(1): 27.
    
    

54. Szabo, T.I. and L.P. Lefkovitch. 1991. Effects of honey removal and supering on honey bee colony gain. Research Highlights 1990: 4.
    
    

55. Szabo, T.I. and L.P. Lefkovitch. 1991. Development of overwintered honey bee colonies with one- and two-year-old queens. Research Highlights 1990: 4.
    
    

56. Szabo, T.I. and L.P. Lefkovitch. 1992. Heritability of colour patterns in a closed population of honey bees. Research Highlights 1991: 3-4; 1992. The Sting 10(1): 27-28.
    
    

57. Szabo, T.I. and L.P. Lefkovitch. 1992. Effects of frequency of honey removal and empty comb space on honey quantity and quality. Research Highlights 1991: 5-6.
    
    

58. Szabo, T.I., P. Sporns and L.P. Lefkovitch. 1992. Effects of frequency of honey removal and empty comb space on honey quantity and quality. American Bee Journal 132: 815-816.
    
    

59. Szabo, T.I. 1993. Selective breeding of honey bees for resistance to Varroa jacobsoni. American Bee Journal 133: 868. Canadian Beekeeping (1994) 17(10): 222.
    
    

60. Szabo, T.I. 1994. Rate of infestation of Varroa lacobsoni in honey bee colonies in southern Ontario. American Bee Journal 134: 837-878; The Sting 12(4): 27-28; Canadian Beekeeping (1995) 18: 106.
    
    

61. Szabo, T.I. 1994. Observation of queen parasitism in honey bees in Ontario. American Bee Journal 134: 837; The Sting 12(4): 38-39; Canadian Beekeeping (1995) 18: 116.
    
    

62. Szabo, T.I. 1995. Selective breeding of honey bees for resistance to Varroa jacobsoni in Ontario. American Bee Journal 135: 831; Canadian Beekeeping Vol 19 No.1, Winter '95: 10-11; The Sting 13(4): 26-27.
    
    

63. Szabo, T.I. and A.E. Mueller. 1996. Factors affecting the weight changes of honey bee colonies. American Bee Journal 136(6): 417-419.
    
    

64. Szabo, T. I. 1997. Impressions of Africanized honey bees in Costa Rica. American Bee Journal 137(7): 515-518.
    
    

65. Szabo, T. I. 1998. Progress report on selective breeding of honey bees for resistance to parasitic mites. American Bee Journal 138(6): 464-466. Canadian Beekeeping 20(5): 103-104.
    
    

66. Szabo, T.I. 1999. Selective breeding of honey bee colonies for resistance to Varroa jacobsoni and the effects of management techniques on Varroa infestation levels. American Bee Journal 139(7): 537-540.
    
    

67. Szabo, T.I. and Szabo, D.C. 2000. The relocation of a feral honey bee colony during winter. American Bee Journal 140(1): 57-59.
    
    

68. Szabo, T. I. and Szabo, D.C. 2000. Attempts to reduce the Varroa jacobsoni population in honey bee colonies: Research report for 1999. American Bee Journal 140(8): 654-658.
    
    

69. Szabo, T.I. and Szabo, T.P. 2001. Nectar plants suitable for country and city gardens. American Bee Journal 141(5): 351-353.
    
    

70. Szabo, T.I. and Szabo, D.C. 2001. Varroa jacobsoni infestation levels of honey bee colonies in the fourth year of a breeding program: Report for 2000. American Bee Journal 141(6): 437-440.
    
    

71. Szabo, T.I. and Szabo, D.C. 2002. Varroa infestation levels of honey bee colonies in the fifth year of a breeding program: Report for 2001. American Bee Journal 142(6): 423-427. Canadian Beekeeping 2002, Vol. 22(6): 8-13.
    
    

72. Szabo, T.I. and Szabo, D.C. 2003. Varroa infestation levels and honey bee colony characteristics in the final year of a breeding program. American Bee Journal 143(10): 798-802. The Sting 203, Vol. 21(5): 19-20.
    
    

73. Szabo, T.I. and Szabo, D.C. 2003. The principles of successfully overwintering honey bees: An examination of colony weight losses during ten winters in Southern Ontario. American Bee Journal 143(11): 876-880.
    
    

74. Szabo, T.I. 2004. Impressions of beekeeping in Cuba. American Bee Journal 144(7): 555-556.
    
    

75. Szabo, T.I. and Szabo, D.C. 2004. Observations on the importance of hive top entrances during winter. American Bee Journal 144(12): 936-938.
    
    

76. Szabo, T.I. and Szabo, D.C. 2006. Honey bees in bear territory. American Bee Journal 146(6): 512-514.
    
    

77. Szabo, T.I. and Szabo, D.C. 2007. The comets. American Bee Journal 147(8): 705-706.
    
    

78. Szabo, T.I. 2008. The effects of swarming and other factors on the development of Varroa destructor populations in honey bee colonies. American Bee Journal 148(7): 642-645.