REFERENCES
- BOOT, W J; SISSELAAR, E J A; CALIS, J N M; BEETSMA, J (1994) Factors affecting invasion of Varroa jacobsoni (Acari: Varroidae) into honeybee, Apis mellifera (Hymenoptera: Apidae) brood cells. Bulletin of Entomological Research 84: 3–10.
- ELLIS, J D JR; DELAPLANE, K S; HOOD, W M (2001) Efficacy of a bottom screen device, Apistan, and Apilife in controlling Varroa destructor. American Bee Journal 141: 813–816.
- ELLIS, J D JR; DELAPLANE, K S; HOOD, W M; HEPBURN, R; ELZEN, P J (2003) Efficacy of modified hive entrances and a bottom screen device for controlling Aethina tumida (Coleoptera: Nitidulidae) infestations in Apis mellifera (Hymenoptera: Apidae) colonies. Journal of Economic Entomology 96: 1647–1652.
- GOETZ, B; KOENIGER N (1993) The distance between larva and cell opening triggers broodcell invasion by Varroa jacobsoni. Apidologie 24: 67–72.
- HARBO, J R (1986) Effect of population size on brood production, worker survival and honey gain in colonies of honeybees. Journal of Apicultural Research 25: 22–29.
- HARBO, J R (1993) Worker bee crowding affects brood production, honey production, and longevity of honey bees (Hymenoptera: Apidae). Journal of Economic Entomology 86: 1672–1678.
- HARBO, J R; HARRIS, J W (1999a) Heritability in honey bees (Hymenoptera: Apidae) of characteristics associated with resistance to Varroa jacobsoni (Mesostigmata: Varroidae). Journal of Economic Entomology 92: 261–265.
- HARBO, J R; HARRIS, J W (1999b) Selecting honey bees for resistance to Varroa jacobsoni. Apidologie 30: 183–196.
- HARRIS, J W; HARBO, J R; VILLA, J D; DANKA, R G (2003) Variable population growth of Varroa destructor (Mesostigmata: Varroidae) in colonies of honey bees (Hymenoptera: Apidae) during a 10-year period. Environmental Entomology 32: 1305–1312.
- HORN, H (1990) Observations on the overwintering of honeybee colonies in hives with open and solid floorboards. Bee Craft 72(7): 201–210.
- LIEBIG, G (1992) Kastengrosse und Wassergehalt im Rapshonig. Schweizerische BienenZeitung 115(6): 359–362.
- MESSAGE, D; GONÇALVES L S (1995) Effect of the size of worker brood cells of Africanized honey bees on infestation and reproduction of the ectoparasitic mite Varroa jacobsoni Oud. Apidologie 26: 381–386.
- NELSON, J A; STURTEVANT A P (1924) Growth and feeding of honeybee larvae. USDA Bulletin 1222.
- OSTIGUY N; SAMMATARO, D; FINLEY, J; FRAZIER, M (2000) An integrated approach to manage Varroa jacobsoni in honey bee colonies. American Bee Journal 140: 906–907.
- OTTEN, C (1991) Factors and effects of a different distribution of Varroa jacobsoni between adult bees and bee brood. Apidologie 22: 466.
- PAM (1993) Varroa mesh floors. Northern Bee Books; Hebden Bridge, UK; 32 pp.
- PETTIS, J; SHIMANUKI, H (1999) A hive modification to reduce varroa populations. American Bee Journal 139: 471–473.
- SAMMATARO, D; HOFFMAN, G D; WARDELL G; FINLEY, J; OSTIGUY, N (2004) Testing a combination of control tactics to manage Varroa destructor (Acari: Varroidae) population levels in honey bee (Hymenoptera: Apidae) colonies. International Journal of Acarology 30: 71–76.
- SAS INSTITUTE (2000) Online Doc, version 8. SAS Institute Inc.; Cary, NC, USA.
- SPEAR, L (2002) Screened bottom boards. Bee Culture 130: 36–38.
- SKOWRONEK, W; SKUBIDA, P (1995) Wplyw zwiekszonej wentylacji gniazd pszczelich na przebieg zimowli rodzin. Pszczelnicze Zeszyty Naukowe 39(2): 15–26.
- SKUBIDA, P; SKOWRONEK, W (1995) Wiosenny rozwoj produkcyjnosc rodzin zimowanych w ulach ze zwiekszona wentylacja. Pszczelnicze Zeszyty Naukowe 39(2): 27–37.