1. Anderson, D.L. and J.W.H. Trueman. 2000. Varroa jacobsoni (Acari: Varroidae) is more than one species. Experimental & applied acarology 24(3):165-189. DOI: https://doi.org/10.1023/A:1006456720416.
2. Boecking, O. and E. Genersch. 2008. Varroosis the ongoing crisis in bee keeping. Journal of consumer protection and food safety 3(2):221–228. DOI: https://doi.org/10.1007/s00003-008-0331-y.
3. Bokaie, S., Sharifi, L. and M. Mehrabadi. 2014. Prevalence and Epizootical Aspects of Varroasis in Golestan Province, Northern Iran. Journal of Arthropod-Borne Diseases 8(1):102. PMID: 25629070.
4. Bonney, R.E. 1990. Hive Management: A Seasonal Guide for Beekeepers. pp.166-179, 1st (ed.)., North Adams, Massachusetts, USA. Garden Way Publishing. ISBN 10: 0882666371
5. De Jong, D., Gonçalves, L. S., and Morse, R. A. 1984. Dependence on climate of the virulence of Varroa jacobsoni. Bee world 65: 117-121. DOI: https://doi.org/10.1080/0005772X.1984.11098789
6. de Guzman, L.I., Rinderer, T.E. and J.A. Stelzer. 1999. Occurrence of two genotypes of Varroa jacobsoni Oud. in North America. Apidologie, 30(1): 31-36. DOI: https://doi.org/10.1051/apido:19990104
7. Jamshidi, R., Lotfi, A.R. and M. Yousefkhani. 2009. Incidence rate of varroasis in honey bee colonies of Eastern Azarbaijan province, Northwestern Iran. Asian Journal of Animal and Veterinary 4(6):342-345. DOI: https://doi.org/10.3923/ajava.2009.342.345
8. Khezri, M. and Moharami, M. 2017. The Incidence of Acarapis woodi and Varroa destructor in Kurdistan Apiaries, Iran. Animal and Veterinary Sciences 5(6): 97. DOI: https://doi.org/10.11648/j.avs.20170506.11
9. Macedo, P.A. and M.D. Ellis. 2002. Using inert dusts to detect and assess varroa infestations in honey bee colonies. Journal of apicultural research 41(1-2):3-7. DOI: https://doi.org/10.1080/00218839.2002.11101062
10. Mahmoodi, M., Basami, Sh., Nbian, S. and A. Bahonar. 2010. Study On Some Possible Factors In Occurrence Of Colony Collaps Disorder In Ilam. Honeybee Science Journal 5:5-11.
11. Martin, S.J. 1995. Ontogenesis of the mite Varroa jacobsoni Oud. in drone brood of the honeybee Apis mellifera L. under natural conditions. Experimental & applied acarology 19(4):199–210. DOI: https://doi.org/10.1007/BF00130823
12. Mohammadian, B., Bokaie, S., Moharrami, M., Nabian, S., Forsi, M. 2019. Prevalence of Honeybee Colony Collapse Disorder and its Relation to Nosema Spp. and Climate in Apiaries of Iran. Journal Veterinary Research 74(1): 11-18. DOI: https://doi: 10.22059/jvr.2017.235690.2649
13. Mosadegh, M.S. and E. Komeili-Birjandi. 1991. Tick infestation of honey bees. pp. 20-67; 80-86; 101-103. 3rd (ed.), Shahid Chamran University publisher, Ahvaz, Iran.
14. Mirzaei, M., Malekpour, S. H. 2014. Seasonal prevalence the Varroa mite in honey bee colonies in Fars province in 2012-2013. Animal Production Research3(1): 11-20.
15. Rinderer, T.E., Harris, J.W., Hunt, G.J. and L.I. De Guzman. 2010. Breeding for resistance to Varroa destructor in North America. Apidologie 4: 409–424. DOI: https://doi.org/10.1051/apido/2010015
16. Sarhanghzadeh, K. and M. Yakhchali. 2014. Geographical and seasonal distribution of Varroa destructor in honey bee (Apis mellifera) of East Azarbaijan Province, Iran: in a period of one year (2014-2013). Veterinary Researches & Biological Products 112:37-43. DOI: https://doi.org/10.22034/VJ.2016.106295
17. Tentcheva, D., Gauthier, L., Zappulla, N., Dainat, B., Cousserans, F., Colin, M.E. and M. Bergoin. 2004. Prevalence and seasonal variations of six bee viruses in Apis mellifera and Varroa destructor mite populations in France. Applied and environmental microbiology 70(12):7185-7191. DOI: https://doi.org/10.1128/AEM.70.12.7185-7191.2004
18. VanEngelsdorp, D., Cox-Foster, D., Frazier, M., Ostiguy, N. and J. Hayes. 2006. Colony Collapse Disorder Preliminary Report. Mid- Atlantic Apiculture Research and Extension Consortium (MAAREC) – CCD Working Group. Available online at: http://www.beekeeping.com/articles/us/ccd.
19. VanEngelsdorp, D., Hayes, Jr.J., Underwood, R.M., Caron, D. and J. Pettis. 2011. A survey of managed honey bee colony losses in the USA, fall 2009 to winter 2010. Journal of apicultural research 50(1):1-10. DOI: https://doi.org/10.3896/IBRA.1.50.1.01.