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Ecosistemas y recursos agropecuarios
On-line version ISSN 2007-901XPrint version ISSN 2007-9028
Abstract
ALANIZ-GUTIERREZ, Luis; TORRES-SALADO, Nicolás; AIL-CATZIM, Carlos Enrique and VELAZCO-LOPEZ, José Luis. Frequency of morphotypes africanized and european of Apis mellifera in Ensenada and Mexicali, Baja California. Ecosistemas y recur. agropecuarios [online]. 2016, vol.3, n.9, pp.421-426. ISSN 2007-901X.
The frequency of Africanized and European honey bee morphotypes were compared in two municipalities of Baja California, Mexico. 47 and 34 colonies of Mexicali and Ensenada were studied respectively, including 11 swarms captured in Mexicali and four in Ensenada. Ten bees from each colony and swarm were selected, forewing length and the femur of the right hind paw of each bee was measured. FABIS morphometric techniques were used to discriminate between European and Africanized morphotypes. The results indicated that in Mexicali 91.49 % of the colonies of bees presented Africanized morphotypes, while in Ensenada 67.65 % of the bee colonies had Africanized morphotypes. This difference in the proportion of africanization could be related to climatic and geographic conditions as well as management practices. It is recommended to replace the queens bees annually, using genetic material selected for a European origin.
Keywords : Africanized honey bee; apiary; beekeeping; FABIS; morphometrics.