Transcriptome differences in the hypopharyngeal gland between Western Honeybees (Apis mellifera) and Eastern Honeybees (Apis cerana)

An experiment was conducted to determine the foraging behavior of Apis mellifera L. and Apis cerana F. in rapeseed under cage condition in Chitwan, Nepal during 2012-2013. This experiment showed that Apis cerana F. foraged extra 42 minute per day as compared to Apis mellifera L. Apis cerana F. were more attracted to nectar, whereas Apis mellifera L. were more attracted to pollen collection throughout the day. The activities, in into hives and out from hives, for both species were recorded more at 2:00 pm and least at 8:00 am. The highest in-out were observed at 2:00 pm on both species as Apis mellifera L. 44.33 bees entered into hives and 49.66 bees went out of hives, whereas lower number of Apis cerana F. 43.66 bees entered into hives and 48.16 bees were out of hives. Apis mellifera L. collect 1.22:1 and 0.41:1 pollen nectar ratio at 10:00 am and 4:00 am whereas at same hours Apis cerana collect 1.16:1 and 0.30:1 pollen nectar ratio. Apis cerana F. foraged significantly higher number of rapeseed flowers and plants as compared to Apis mellifera L. under caged condition. It shows that Apis cerana F. was more efficient pollinator as compared to Apis mellifera L. under caged condition. DOI: http://dx.doi.org/10.3126/ijasbt.v2i4.11238Int J Appl Sci Biotechnol, Vol. 2(4): 483-487

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INFESTAÇÃO NATURAL DE Varroa jacobsoni EM Apis mellifera scutellata (HYMENOPTERA: APIDAE)

Archives of Veterinary Science ◽

10.5380/avs.v5i1.3891 ◽

2000 ◽

Vol 5 (1) ◽

Cited By ~ 1

Author(s):

A. PEGORARO ◽

E. M. MARQUES ◽

A.C. NETO ◽

E.C. COSTA

Keyword(s):

Apis Mellifera ◽

Apis Cerana ◽

Varroa Jacobsoni ◽

Friedman Test ◽

Apis Mellifera Scutellata ◽

Biological Relationship ◽

Natural Infestation

Varroa jacobsoni foi descrita em 1904 por Oldenans em Java em cria de Apis cerana. O nível de infestação com V. jacobsoni mede indiretamente o grau de tolerância da A. mellifera à V. jacobsoni. O estudo foi conduzido no Município de Mandirituba-PR. Os enxames foram capturados com caixa iscas. A percentagem de infestação V. jacobsoni foi resistrada mensalmente. Aplicando-se o teste de Friedman e usando-se o rank de cada colônia, separou-se os grupos de colônias homogêneas. A tendência sazonal foi demostrada com representação gráfica. O experimento foi delineado segundo blocos inteiramente casualizados. Em todas as amostras foi encontrado o ácaro V. jacobsoni. Diferenças significativas entre as colônias foram observadas. Na população de Apis mellifera scutellata existem três grupos homogêneos de colônias quanto ao nível de infestação com esse ácaro. O inverno é a época onde o grau de infestação com V. jacobsoni é mais elevado. Natural infestation of Apis mellifera scutellata (Hymenoptera; Apidae) by Varroa jacobsoni (Mesostigmata; Varroidae) Abstract Infestation by Varroa jacobsoni in an offspring of Apis cerana was first described as early as 1904 in Java. Since the level of infestation by V. jacobsoni may be an indirect procedure to measure the Apis mellifera scutellata tolerance degree towards it, the present research was carried out in order to evaluate such biological relationship between host and parasite and its implication in the Apis mellifera scutellata productivity. This study was carried out at Mandirituba, Paraná, Brazil. The swarms were captured with bait boxes. The percentage of V. jacobsoni infestation was established monthly. According to the Friedman test ant through the rank, homogeneous colonies were single out. The experiment has been delineated as entirely randomized blocks.

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Effects of diflubenzuron and penfluron on workers of Apis cerana indica F and Apis mellifera L

Apidologie ◽

10.1051/apido:19950101 ◽

1995 ◽

Vol 26 (1) ◽

pp. 3-10 ◽

Cited By ~ 18

Author(s):

P. R. Gupta ◽

R. S. Chandel

Keyword(s):

Apis Mellifera ◽

Apis Cerana ◽

Apis Cerana Indica

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Dynamics of Nosema apis and Nosema ceranae Co-Infection Seasonally in Honey Bee (Apis mellifera L.) Colonies

Journal of Apicultural Science ◽

10.2478/jas-2019-0001 ◽

2019 ◽

Vol 63 (1) ◽

pp. 41-48 ◽

Cited By ~ 1

Author(s):

Asli Özkırım ◽

Aygün Schiesser ◽

Nevіn Keskin

Keyword(s):

Apis Mellifera ◽

Apis Cerana ◽

Winter Season ◽

Nosema Ceranae ◽

Molecular Techniques ◽

Winter Period ◽

Nosema Apis ◽

Infection Level ◽

Seasonal Infection ◽

Asian Honeybee

AbstractNosema apis is a pathogen spesific for the European honeybee, Apis mellifera L., while Nosema ceranae is specific for the Asian honeybee, Apis cerana. Turkey provides different environmental and host conditions for both Nosema species. The aim of the study is to determine the dynamic of N. cerenae and N. apis seasonal infection. A number of samples were collected from different apiaries between 2009-2016 years. The samples were kept at −20°C in the laboratory. Light microscopy was used for spore counting and molecular techniques were used to identify the Nosema species. The results showed that winter season had an impact on the type of Nosema as well as on infection rates. The number of N. ceranae spores decreases significantly at low temperatures (≤ 5°C). The winter period was found to be the main factor affecting nosema infection level and dominancy of Nosema ceranae. Furthermore, co-infection of both species is an indicator of the dynamics of N. apis and N. ceranae. This study suggests, that there is a dynamic prevalence among the Nosema species depending of the average winter temperature and not a replacement of N. apis by N. ceranae.

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Hypopharyngeal Gland Activity in Task-Specific Workers Under Brood and Broodless Conditions in Apis Cerana Indica (Fab.)

Journal of Apicultural Science ◽

10.2478/jas-2014-0022 ◽

2014 ◽

Vol 58 (2) ◽

pp. 59-70 ◽

Cited By ~ 3

Author(s):

Seydur Rahman ◽

Ibamelaker Thangkhiew ◽

Sudhanya R. Hajong

Keyword(s):

Electron Microscopy ◽

Protein Synthesis ◽

Honey Bees ◽

Protein Concentration ◽

Apis Cerana ◽

Larval Rearing ◽

Hypopharyngeal Gland ◽

Head Weight ◽

Apis Cerana Indica ◽

Scanning Electron

Abstract The hypopharyngeal gland (HPG) is the principal organ of protein synthesis in honey bees. It is involved in larval rearing. We examined the fresh head weight, HPG acini diameter, and HPG protein content in worker bees engaged in different tasks and under brood and broodless conditions. Scanning electron microscopy revealed that the HPG acini diameter of worker bees was related to their task. The highest HPG volume was found in nurse bees, and the volume regressed when the task changed from guarding to foraging. The fresh head weight was positively correlated with HPG acini diameter. Although, there was no positive correlation between HPG acini diameter and protein concentration, the glandular protein concentration increased progressively in nurse bees and declined in guard and forager bees. Histochemistry revealed similar results. Despite displaying significantly larger glands, guard bee protein secretion was similar to that of the foragers. Brooding had a significant effect on HPG activity. Only worker bees from the colony with an intact brood showed elevated rates of protein synthesis; thus, it is possible that a signal was emitted by the brood, which stimulated protein synthesis in the HPG. However, the size of the HPG was similar in both brood and broodless conditions.

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