Effect of the juvenile hormone on the development of the mandibular gland in workers' pupae of Apis mellifera L. (Hymenoptera, Apidae)

Salles, Heliana Clara; Cruz-Landim, Carminda da

doi:10.1590/s1519-69842004000400018

Cited by 4 publications

(3 citation statements)

References 19 publications

(19 reference statements)

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“…Rembold et al, 1974 [13] suggested disturbed development in honeybee larvae treated by juvenile hormone. Salles and Cruz-Landim (2004) [15] concluded the response of exogenous application of hormones depend upon the type of organ involved, developmental parameters, developmental stages and amount of hormone applied. He found no effect of JH on development of mandibular gland of fifth instar larvae of worker honeybee Apis mellifera.…”

Section: Discussionmentioning

confidence: 99%

“…Asencot and Lansky (1976) [1] observed different effect of juvenile hormone with different concentration of sugar on the differentiation of worker larvae to queen. Salles and Cruz-Landim (2004) [15] found no significant effect of juvenile hormone on the morphology of mandibular gland in fifth instar larvae of worker honeybee Apis mellifera. Physiological effect of juvenile hormone on adult honeybee Apis mellifera was observed by Rachinsky et al, (1990) [12] .…”

Section: Introductionmentioning

confidence: 97%

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Effect of juvenile hormone–III and 20-hydroxyecdysone hormone on larval development of worker and drone honeybee Apis cerana indica (Fabricius) (Hymenoptera: Apidae)

Barsagade¹,

Jiwatode²

2021

J. Entomol. Zool. Stud.

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Indian honeybee Apis cerana indica is polymorphic bee having queen, worker and drone castes. In honeybee each caste has its own developmental pattern and completes its development passing through egg larva, pupa and adult stages. Post-embryonic development of honeybee is controlled by juvenile hormone and 20-hydroxyecdysone. Present study find out the effects of juvenile hormone-III and 20hydroxyecdysone on development of fifth instar larvae of worker and drone honeybee Apis cerana indica. Pattern of effects of both hormones on weight and length of worker and drone larvae were observed similar at 24 hrs and 36 hrs time interval but prominent changes in weight and length were seen in drone larvae as compared to worker larvae. Antagonistic effect of juvenile hormone-III and 20hydroxyecdysone on total body protein was found in worker and drone larvae. Different effects of both hormones on worker and drone larvae suggested the different development timing and differed in physiology of worker and drone castes.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 97%

Effect of juvenile hormone–III and 20-hydroxyecdysone hormone on larval development of worker and drone honeybee Apis cerana indica (Fabricius) (Hymenoptera: Apidae)

Barsagade¹,

Jiwatode²

2021

J. Entomol. Zool. Stud.

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“…The decreased larval weights in the presence of E 2 combined with FSH demonstrated this assumption on another aspect. Up till now, abundant reports were published about the effects of juvenile hormone analogs on the development of honeybee at different stages (Sullivan et al, 2000;Schulz et al, 2002;Elekonich et al, 2003;Salles and Cruz-Landim, 2004;Nocelli et al, 2007;Paes-de-Oliveira et al, 2008). Only limited research about the effects of gonadal hormones was conducted in silkworm Ray, 2000, 2001;Roy et al, 2007).…”

Section: Discussionmentioning

confidence: 99%

Effects of human sex hormones and gonadotropins on the development of worker bee larvae (Apis mellifera L.)

Zhou

Zhang

et al. 2009

Front. Agric. China

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Effects of human sex hormones and gonadotropins on the development of worker bee larvae (Apis mellifera L.) Abstract Worker bee larvae of Apis mellifera L. were fed artificially in an incubator under controlled temperature and relative humidity conditions. Our results showed that (35.5AE0.1)°C with a relative humidity of (85AE5)% was suitable for the growth of worker bee larvae. A gradually increasing content of pollen and honey, accompanied by decreasing the content of royal jelly in diet, met their fundamental needs. With environmental and nutritional needs basically met, larvae got a similar growth rate to that under natural conditions. Four kinds of human hormones, i.e., estradiol, testosterone, follicular stimulating hormone, and luteinizing hormone, were added into the daily diets of worker bee larvae at different concentrations. Their growth curves were perfectly fitted by binomial fitting complex models. Effects of a single hormone and the combinations of different hormones with a follicular stimulating hormone on the development of worker bee larvae were evaluated. Our results indicated that the development of worker bee larvae at early stage was affected greatly by exogenous hormones. Larvae of 65-89 h old were particularly sensitive to the effects of sexual and gonadotropic hormones, and interactions between different hormones were detected.

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Experimental Ecotoxicology Procedures Interfere with Honey Bee Life History

Desclos le Peley,

Grateau,

Moreau‐Vauzelle

et al. 2024

Enviro Toxic and Chemistry

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Apis mellifera was used as a model species for ecotoxicological testing. In the present study, we tested the effects of acetone (0.1% in feed), a solvent commonly used to dissolve pesticides, on bees exposed at different developmental stages (larval and/or adult). Moreover, we explored the potential effect of in vitro larval rearing, a commonly used technique for accurately monitoring worker exposure at the larval stage, by combining acetone exposure and treatment conditions (in vitro larval rearing vs. in vivo larval rearing). We then analyzed the life‐history traits of the experimental bees using radio frequency identification technology over three sessions (May, June, and August) to assess the potential seasonal dependence of the solvent effects. Our results highlight the substantial influence of in vitro larval rearing on the life cycle of bees, with a 47.7% decrease in life span, a decrease of 0.9 days in the age at first exit, an increase of 57.3% in the loss rate at first exit, and a decrease of 40.6% in foraging tenure. We did not observe any effect of exposure to acetone at the larval stage on the capacities of bees reared in vitro. Conversely, acetone exposure at the adult stage reduced the bee life span by 21.8% to 60%, decreased the age at first exit by 1.12 to 4.34 days, and reduced the foraging tenure by 30% to 37.7%. Interestingly, we found a significant effect of season on acetone exposure, suggesting that interference with the life‐history traits of honey bees is dependent on season. These findings suggest improved integration of long‐term monitoring for assessing sublethal responses in bees following exposure to chemicals during both the larval and adult stages. Environ Toxicol Chem 2024;00:1–12. © 2024 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.

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Effect of the juvenile hormone on the development of the mandibular gland in workers' pupae of Apis mellifera L. (Hymenoptera, Apidae)

Cited by 4 publications

References 19 publications

Effect of juvenile hormone–III and 20-hydroxyecdysone hormone on larval development of worker and drone honeybee Apis cerana indica (Fabricius) (Hymenoptera: Apidae)

Effect of juvenile hormone–III and 20-hydroxyecdysone hormone on larval development of worker and drone honeybee Apis cerana indica (Fabricius) (Hymenoptera: Apidae)

Effects of human sex hormones and gonadotropins on the development of worker bee larvae (Apis mellifera L.)

Experimental Ecotoxicology Procedures Interfere with Honey Bee Life History

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