scholarly journals Apis mellifera (Hymenoptera: Apidae) drone sperm quality in relation to age, genetic line, and time of breeding

2015 ◽  
Vol 147 (6) ◽  
pp. 702-711 ◽  
Author(s):  
Andrée Rousseau ◽  
Valérie Fournier ◽  
Pierre Giovenazzo
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Sperm Quality ◽  
Research Centre ◽  
Sperm Viability ◽  
Sperm Number ◽  
Genetic Line ◽  
Semen Volume ◽  
Time Of Breeding ◽  
Honey Bee Queen

AbstractA honey bee (Apis mellifera Linnaeus; Hymenoptera: Apidae) queen’s life expectancy is strongly dependent on the number of sperm she obtains by mating with drones during nuptial flights. Unexplained replacement of queens by the colony and young queens showing sperm depletions have been reported in North America, and reduced drone fertility has been a suspected cause. The aim of this study was to evaluate drone reproductive qualities during the queen-rearing season, from May to August. Drones from two different genetic lines were reared six times during the 2012 beekeeping season at our research centre in Québec (Canada). Semen volume as well as sperm number and viability were assessed at the ages of 14, 21, and 35 days. Results showed (1) a greater proportion of older drones with semen at the tip of the genitalia after eversion; (2) an influence of rearing date on semen production; and (3) no influence of drone genetic line, age or time of breeding on sperm viability. These results highlight the necessity of better understanding drone rearing and how it can be improved to ensure optimum honey-bee queen mating.

scholarly journals Effect of shipping boxes, attendant bees, and temperature on honey bee queen sperm quality (Apis mellifera)

Apidologie ◽  
2020 ◽  
Vol 51 (5) ◽  
pp. 724-735
Author(s):  
Andrée Rousseau ◽  
Émile Houle ◽  
Pierre Giovenazzo
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Sperm Quality ◽  
Honey Bee Queen

scholarly journals The Influence of Honey Bee (Apis Mellifera) Drone Age on Volume of Semen and Viability of Spermatozoa

2013 ◽  
Vol 57 (1) ◽  
pp. 61-66 ◽  
Author(s):  
Krystyna Czekońska ◽  
Bożena Chuda-Mickiewicz ◽  
Paweł Chorbiński
Keyword(s):  
Flow Cytometry ◽  
Apis Mellifera ◽  
Honey Bee ◽  
Propidium Iodide ◽  
Sperm Viability ◽  
Fluorescence Staining ◽  
Semen Volume ◽  
The Mean

Summary A comparison was done of the volume of semen and viability of spermatozoa collected from drones at ages 15, 20, 25 and 30 days. The drones originated from different queens and were reared in different environments. Semen volume was determined by measuring the filled length of a capillary. Percentages of live and dead spermatozoa were determined by SYBR-14/propidium iodide fluorescence staining and flow cytometry. The volume of semen collected from drones ranged from 0.5 to 1.3 μL. The mean volume of semen significantly decreased with drone age. Sperm viability increased significantly with drone age.

Production and transmission of honey bee queen (Apis mellifera L.) mandibular gland pheromone

1991 ◽  
Vol 29 (5) ◽  
pp. 321-332 ◽  
Author(s):  
Ken Naumann ◽  
Mark L. Winston ◽  
Keith N. Slessor ◽  
Glenn D. Prestwich ◽  
Francis X. Webster
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Mandibular Gland ◽  
Honey Bee Queen

scholarly journals Pathological effects of the microsporidium Nosema ceranae on honey bee queen physiology (Apis mellifera)

2011 ◽  
Vol 106 (3) ◽  
pp. 380-385 ◽  
Author(s):  
Cédric Alaux ◽  
Morgane Folschweiller ◽  
Cynthia McDonnell ◽  
Dominique Beslay ◽  
Marianne Cousin ◽  
...  
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Nosema Ceranae ◽  
Honey Bee Queen

scholarly journals Colony Failure Linked to Low Sperm Viability in Honey Bee (Apis mellifera) Queens and an Exploration of Potential Causative Factors

PLoS ONE ◽  
2016 ◽  
Vol 11 (2) ◽  
pp. e0147220 ◽  
Author(s):  
Jeffery S. Pettis ◽  
Nathan Rice ◽  
Katie Joselow ◽  
Dennis vanEngelsdorp ◽  
Veeranan Chaimanee
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Sperm Viability ◽  
Causative Factors

scholarly journals Correction: Colony Failure Linked to Low Sperm Viability in Honey Bee (Apis mellifera) Queens and an Exploration of Potential Causative Factors

PLoS ONE ◽  
2016 ◽  
Vol 11 (5) ◽  
pp. e0155833 ◽  
Author(s):  
Jeffery S. Pettis ◽  
Nathan Rice ◽  
Katie Joselow ◽  
Dennis vanEngelsdorp ◽  
Veeranan Chaimanee
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Sperm Viability ◽  
Causative Factors

scholarly journals Honey Bee Queen Replacement: An Analysis of Changes in the Preferences of Polish Beekeepers through Decades

Insects ◽  
2020 ◽  
Vol 11 (8) ◽  
pp. 544 ◽  
Author(s):  
Małgorzata Bieńkowska ◽  
Aleksandra Łoś ◽  
Paweł Węgrzynowicz
Keyword(s):  
Apis Mellifera ◽  
Honey Bee ◽  
Geographical Location ◽  
Upward Trend ◽  
Colony Management ◽  
Queen Replacement ◽  
Honey Bee Queen ◽  
Research And Education ◽  
Over Time

We conducted a survey on honey bee (Apis mellifera) queen management. Data were collected every year from 1980 to 2018. In total, 2964 questionnaires were collected from all over Poland. We examined the trends by decade timeslot, apiary size, and geographical location. Regardless of the decade and the size of the apiary, on average, above 90% of Polish beekeepers replace old queens with new ones in their colonies. In general, during the observed period, beekeepers replaced almost 52% of their queens, 21% of which were purchased. In the last decade, there was an upward trend in the percentage of beekeepers replacing queens throughout the country. The involvement of purchased queens in colony management is associated with the size of the apiary, and it significantly grows with the number of colonies in the apiary. The percentage of purchased queens went up in all the voivodeships over time. Research and education in this area are needed in order to track the trends and further improve Polish beekeepers’ practices.

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