Body mass of honey bee drones developing in constant and in changing temperatures

Czekońska, Krystyna; Tofilski, Adam

doi:10.1007/s13592-020-00738-5

Cited by 6 publications

(5 citation statements)

References 56 publications

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“…While previous studies suggest that temperatures experienced by developing larvae contribute to individual differences in social phenotype (i.e. caste polyphenism: Becher et al, 2009; Czekońska & Tofilski, 2020; the development of status badges: Green et al, 2012; memory formation: Jones et al, 2005 and olfactory learning: Anton & Rössler, 2021), sensilla density in the socially plastic H. rubicundus may be a more general response to the environment that is not directly related to the social phenotype of the nest or individual (i.e. a worker, solitary foundress or queen).…”

Section: Discussionmentioning

confidence: 97%

Sensory plasticity in a socially plastic bee

Boulton

Field

2022

J of Evolutionary Biology

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The social Hymenoptera have contributed much to our understanding of the evolution of sensory systems. Attention has focussed chiefly on how sociality and sensory systems have evolved together. In the Hymenoptera, the antennal sensilla are important for optimizing the perception of olfactory social information. Social species have denser antennal sensilla than solitary species, which is thought to enhance social cohesion through nestmate recognition. In the current study, we test whether sensilla numbers vary between populations of the socially plastic sweat bee Halictus rubicundus from regions that vary in climate and the degree to which sociality is expressed. We found population differences in both olfactory and hygro/thermoreceptive sensilla numbers. We also found evidence that olfactory sensilla density is developmentally plastic: when we transplanted bees from Scotland to the south‐east of England, their offspring (which developed in the south) had more olfactory hairs than the transplanted individuals themselves (which developed in Scotland). The transplanted bees displayed a mix of social (a queen plus workers) and solitary nesting, but neither individual nor nest phenotype was related to sensilla density. We suggest that this general, rather than caste‐specific sensory plasticity provides a flexible means to optimize sensory perception according to the most pressing demands of the environment. Sensory plasticity may support social plasticity in H. rubicundus but does not appear to be causally related to it.

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Section: Discussionmentioning

confidence: 97%

Sensory plasticity in a socially plastic bee

Boulton

Field

2022

J of Evolutionary Biology

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“…While previous studies suggest that temperatures experienced by developing larvae contribute to individual differences in social phenotype (i.e. caste polyphenism: Czekońska and Tofilski 2020; Becher et al 2009; the development of status badges: Green et al 2012; memory formation: Jones et al 2005 and olfactory learning: Anton and Rossler 2021), sensilla density in the socially plastic H. rubicundus may be a more general response to the environment that is not directly related to the social phenotype of the nest or individual (i.e. a worker, solitary foundress or queen).…”

Section: Discussionmentioning

confidence: 99%

Sensory plasticity in a socially plastic bee

Boulton

Field

2022

Preprint

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The social Hymenoptera have contributed much to our understanding of the evolution of sensory systems. Attention has focussed chiefly on how sociality and sensory systems have evolved together. In the Hymenoptera, the antennal sensilla are important for optimising the perception of olfactory social information. Social species have denser antennal sensilla than solitary bees, which is thought to enhance social cohesion through nest-mate recognition. In the current study, we test whether sensilla numbers vary between regional populations of the socially plastic sweat bee Halictus rubicundus. We found region level differences in both olfactory and hygro/thermoreceptive sensilla numbers. We also found evidence that olfactory sensilla density is developmentally plastic: when we transplanted bees from Scotland to the south-east of England, their offspring (which developed in the south) had more olfactory hairs than the transplanted individuals themselves (which developed in Scotland). The transplanted bees displayed a mix of social (a queen plus workers) and solitary nesting, but neither individual nor nest phenotype was related to sensilla density. We suggest that this general, rather than caste-specific sensory plasticity provides a flexible means to optimise sensory perception according to the most pressing demands of the environment, and may support social plasticity in H. rubicundus.

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“…This difference in caps allows for the identification of male brood in the comb. During their time of enclosure within the cell, pre-pupa and pupa do not feed, metamorphosis occurs ( Figure 1), and the process of spermatogenesis is completed [22]. In the first days of development (day 1-3), regardless of the polymorphic form, the larva weighs about 0.11 mg [21].…”

Section: Drone Brood Originmentioning

confidence: 99%

“…It is only from the 4th day that the body weight and length of the various larvae begin to differ, depending on their polymorphic form. A seven-day-old queen larva weighs 270 mg, a worker larva 80 mg, and a drone larva 120 mg [22,24]. On the day of sealing (day 11) the drone larvae reach a weight of 350 mg; thus, their weight is greater than that of the mother and bee larva [24].…”

Section: Drone Brood Originmentioning

confidence: 99%

Drone Brood Homogenate as Natural Remedy for Treating Health Care Problem: A Scientific and Practical Approach

Sidor

Dżugan

2020

Molecules

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Drone brood homogenate is a little-known bee product used in folk medicine to treat various health problems. It is a very nutritious milky substance with high content of nutrients: proteins, lipids, fatty acids, carbohydrates, vitamins (A, B, E and D), and minerals. Moreover, when collected on early stage of larvae development, it is, most of all, rich source of sex hormone (testosterone, progesterone and estradiol). Some beekeepers consider drone brood as a waste product, although in some countries they use it to fight Varroa. Meanwhile, in many scientific reports a curative effect of bee drone homogenate in treating urgent global health problems have been confirmed, including ovarian dysfunction in women and male infertility, thyroid and immunity disorders, as well as malnutrition in children. A few dietary supplements based on drone brood are available online. Many patents relating to drone brood-based dietary supplements have been filed in Russia, but their prevalence in EU countries is still limited. Further research is needed to fully recognize the pharmacological activity and increase the use of drone brood.

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Body mass of honey bee drones developing in constant and in changing temperatures

Cited by 6 publications

References 56 publications

Sensory plasticity in a socially plastic bee

Sensory plasticity in a socially plastic bee

Sensory plasticity in a socially plastic bee

Drone Brood Homogenate as Natural Remedy for Treating Health Care Problem: A Scientific and Practical Approach

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