Mating influence in the ovary differentiation in adult queens of Apis mellifera L. (Hymenoptera, Apidae)

Patrício, Karina Pavão; Cruz-Landim, Carminda da

doi:10.1590/s1519-69842002000400012

Cited by 26 publications

(18 citation statements)

References 8 publications

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“…In this study, queens were 5-week old at the time of collection and laying eggs (except for the virgin queens, which were not laying). The lack of difference in ovary mass between the experimentally treated queens may be explained by the fact that the germarium, or egg-producing part of an ovary expands with queen age, whether the queen is mated or not (Patricio and Cruz-Landim, 2002). Since no relationship exists between the queen treatments and ovary mass, it is likely that the ovary mass has no effect on the characteristics of queen mandibular pheromone produced by the queen treatments tested.…”

Section: Discussionmentioning

confidence: 98%

Effect of honey bee queen mating condition on worker ovary activation

et al. 2012

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The presence of the honey bee queen reduces worker ovary activation. When the queen is healthy and fecund, this is interpreted as an adaptive response as workers can gain fitness from helping the queen raise additional offspring, their sisters. However, when the queen is absent, workers activate their ovaries and lay unfertilized eggs that become males. Queen pheromones are recognised as a factor affecting worker ovary activation. Recent work has shown that queen mandibular pheromone composition changes with queen mating condition and workers show different behavioural responses to pheromone extracts from these queens. Here, we tested whether workers reared in colonies with queens of different mating condition varied in level of ovary activation. We also examined the changes in the chemical composition of the queen mandibular glands to determine if the pheromone blend varied among the queens. We found that the workers activated their ovaries when queens were unmated and had lower ovary activation when raised with mated queens, suggesting that workers detect and respond adaptively to queens of differing mating status. Moreover, variation in queen mandibular gland's chemical composition correlated with the levels of worker ovary activation. Although correlative, this evidence suggests that queen pheromone may act as a signal of queen mating condition for workers, in response to which they alter their level of ovary activation.

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Section: Discussionmentioning

confidence: 98%

Effect of honey bee queen mating condition on worker ovary activation

et al. 2012

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“…The age togeher the mating delay further enhance the ovariole degeneration in M. q. authidioides likely reported in A. mellifera queens (Patricio and Cruz-Landim, 2002).…”

Section: Discussionmentioning

confidence: 83%

“…In A. mellifera, the ovariole degeneration began in 12 day-old virgin queens (Patricio and Cruz-Landim, 2002), but virgin queens up to 30 days old could be fertilized and make oviposition (ChaudNetto and Stort, 1980).…”

Section: Discussionmentioning

confidence: 99%

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Effect of mating delay on the ovary of Melipona quadrifasciata anthidioides (Hymenoptera: Apidae) queens

Souza¹,

Neves²,

Campos³

et al. 2007

Micron

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The effect of mating delay on the ovary structure of virgin queens of Melipona quadrifasciata anthidioides (Hymenoptera: Apidae) was investigated. Virgin queens 15, 20, 25 and 30 days old were dissected to analyze their degree of ovary degeneration. To verify whether the degeneration would cause permanent sterility, virgin queens of the same ages (15, 20, 25 and 30 days) were mated and accompanied for at least 14 days to verify whether there was physogastry and then dissected. The ovaries were analyzed by histology, histochemical tests and TUNEL to verify programmed cell death. The results showed that mating delay interrupted oogenesis preventing vitellogenesis. Mating delay results in ovary degeneration which increased with queen age. However, even when there was ovariole degeneration, 25-day-old virgin queens after mating presented normal ovariole activation.

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“…In 3-day-old virgin queens, cysts of cystocytes, which are organized in rosettes, are present in the ovarioles; in 5-day-old, queens oogenesis has already advanced to cysts, wherein germ cells have differentiated into oocytes and future nurse cells Berger and CruzLandim 2009;Patrício and Cruz-Landim 2002). However, the morphology of the ovary begins to change according to the time that the queen remains caged without mating.…”

Section: Discussionmentioning

confidence: 99%

Beekeeping practice: effects of Apis mellifera virgin queen management on ovary development

2015

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-Newly emerged virgin queens are frequently imprisoned in cages either inside or outside of colonies before delivery to a new hive. Ovary integrity and proper functioning is the primary factor in a queen's success as the colony mother. In this work, histological studies on ovaries are used to evaluate the effect of virgin queen imprisonment both out and inside the colony. The results show that the ovarian follicles of virgin queens maintained out of the colony advance only until the beginning of differentiation of oocytes and nurse cells, the vitellarium does not differentiate, and cell death is observed. For virgin queens caged inside a colony, oogenesis progresses until nurse cell and oocyte differentiation is completed, and the vitellarium shows initial differentiation. The results suggest that the best method for a head start of a queen's fertility is to maintain her inside the colony until introduction into a new hive.apiculture / caged queen / cell death / egg production / histology

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Mating influence in the ovary differentiation in adult queens of Apis mellifera L. (Hymenoptera, Apidae)

Cited by 26 publications

References 8 publications

Effect of honey bee queen mating condition on worker ovary activation

Effect of honey bee queen mating condition on worker ovary activation

Effect of mating delay on the ovary of Melipona quadrifasciata anthidioides (Hymenoptera: Apidae) queens

Beekeeping practice: effects of Apis mellifera virgin queen management on ovary development

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