Comparing the pollen forage pattern of stingless bee (Trigona iridipennis Smith) between rural and semi-urban areas of West Bengal, India

Bisui, Sourabh; Layek, Ujjwal; Karmakar, Prakash

doi:10.1016/j.aspen.2019.05.008

Cited by 22 publications

(15 citation statements)

References 18 publications

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“…Regarding the obtained pollen types, most of them were common to the pollen types of polleniferous plants obtained in our previous study (Bisui et al, 2019). The utilization of bee-visited plants as a source of both nectar and pollen has been regarded as a profitable foraging strategy and was previously documented for honey bees (Layek et al, 2015;Taha et al, 2019; and stingless bees (Layek & Karmakar, 2018a).…”

Section: Discussionsupporting

confidence: 53%

“…The acetolysed pollen was mounted on a glass slide using glycerine jelly. Then, pollen types were identify using the reference slides prepared from the local flora and with the help of published articles (Pal & Karmakar, 2013;Layek & Karmakar, 2016, 2018bBisui et al, 2019;Layek et al, 2020b) and an unpublished Ph.D. thesis (Ghosh, 2018). Microscopy was done by using a Nikon Eclipse LV100 POL polarising microscope and Leica DM 1000 Ergo trinocular microscope.…”

Section: Palynological Analysesmentioning

confidence: 99%

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Determination of Nectar Resources through Body Surface Pollen Analysis: A Study with the Stingless Bee Tetragonula iridipennis Smith (Apidae: Meliponini) in West Bengal, India

Bisui

Layek²,

Karmakar

2021

Sociobiology

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Knowledge about floral resources is essential for bee management and conservation. Pollen analysis of honey is the most traditional method for determining the nectar resources of a bee species. However, the collection of honey samples is difficult in cavity-nesting natural stingless bee colonies. Furthermore, it is detrimental to the wild bee’s colony and may threaten their survivability. We analyzed adhered body surface pollen of incoming nectar foragers (which were smeared incidentally during nectar foraging) as an alternative method to determine nectariferous flora of Tetragonula iridipennis in West Bengal, India. By this method, we have identified 75 pollen types. The number of obtained pollen types was lower in the human-altered habitats of Midnapore city (44 pollen types) than the semi-natural habitats of Garhbeta (71 pollen types). Excluding a few pollen types of non-nectariferous plants, most of the pollen types came from nectariferous plants of both crop and non-crop species. Non-crop flowering plants (viz. Ailanthus excelsa, Borassus flabellifer, Eucalyptus tereticornis, Lannea coromandelica, Peltophorum pterocarpum, and Tectona grandis) provided a significant amount of nectar to the bee species and, therefore, play an important role in the conservation of the bee species.

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Section: Discussionsupporting

confidence: 53%

Section: Palynological Analysesmentioning

confidence: 99%

Determination of Nectar Resources through Body Surface Pollen Analysis: A Study with the Stingless Bee Tetragonula iridipennis Smith (Apidae: Meliponini) in West Bengal, India

Bisui

Layek²,

Karmakar

2021

Sociobiology

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“…Other studies mention that external activity is mainly affected by sunlight, temperature, air humidity, and wind (Figueiredo-Mecca, Bego, and Nascimento 2013). Besides that, in pollen gathering, the activity is mostly concentrated during the morning, which is attributed to the restricted availability of this resource (Bisui, Layek, and Karmakar 2019). In contrast to this pattern, resin gathering seems not to be affected.…”

Section: Gathering Activitymentioning

confidence: 98%

“…Fabaceae members seem to be responsible for most of the pollen load of some stingless bees species (Bisui, Layek, and Karmakar 2019). As well as have been indicated as possible resins sources, because the presence of iso avones, an important chemical marker of this family, has been found on several propolis types (Bankova, Popova, and Trusheva 2018).…”

Section: Gathering Between Seasonsmentioning

confidence: 99%

Tetragonisca angustularesin gathering behaviour ofSchizolobium parahyba

Regnier

2021

Preprint

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Tetragonisca angustula is a very important stingless bees species. This study aimed to report the resin gathering behaviour of this species of a possible new resin source: Schizolobium parahyba. Evaluations of temperature, number of bees in gathering activity, time and season were used to characterize bee's behaviour. Resin gathering activities were concentered between 10 and 14 hours, with a moderate linear positive correlation index with the temperature. No bee activity was observed when temperatures were below 16.69°C. Gathering suffered extreme reduction during winter and greater activity in summer. Bees exploration were concentered on the younger leafs and apical portion of S. parahyba. Older leafs were mainly ignored, and gradually the exploring activity was constantly migrating to most young parts, while apical exploration was consistent all the studied period.

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“…Plot 2 was the open-pollination system and required no additional treatment, while Plot 3 was open to native pollinators and was also serviced by a managed bee colony. Three days after the opening of the last selected bud in the open-pollination system, a managed hive of dammar bee, i.e., Colony G (Bisui et al, 2019) was set up close to Plot 3. The height of the hive was almost at flower level, and orientation of the nest entrance was same to its original orientation.…”

Section: Native Floral Visitorsmentioning

confidence: 99%

Utilization of Indian Dammar Bee (Tetragonula iridipennis Smith) as a Pollinator of Bitter Gourd

Bisui

Layek²,

Karmakar

2020

Acta Agrobot

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An experiment was conducted to determine the pollination deficit in bitter gourd (<em>Momordica charantia</em> L.) and the effect of the use of Indian dammar bee as pollinator on the yield. Diverse native visitors were recorded during the blooming period. Among those honeybees, stingless bee, solitary bees, and butterflies are legitimate visitors; all of them showed a selective preference for male flowers (flower sex type selection index ranged from 0.41 to 0.62). The plant species showed a pollination deficit in nature (coefficient of pollination deficit, D = 0.20), resulting in low fruit set in an open-pollination system. However, the value was significantly increased by the supplementary pollination services of a managed dammar bee colony. Furthermore, the quality of the fruits also improved in hand-pollinated and managed bee-pollinated systems in comparison to an open pollination system. Therefore, it is generally recommended that farmers use Indian dammar bee colonies in their agricultural land to increase the quantity and quality of the yield of bitter gourd.

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Comparing the pollen forage pattern of stingless bee (Trigona iridipennis Smith) between rural and semi-urban areas of West Bengal, India

Cited by 22 publications

References 18 publications

Determination of Nectar Resources through Body Surface Pollen Analysis: A Study with the Stingless Bee Tetragonula iridipennis Smith (Apidae: Meliponini) in West Bengal, India

Determination of Nectar Resources through Body Surface Pollen Analysis: A Study with the Stingless Bee Tetragonula iridipennis Smith (Apidae: Meliponini) in West Bengal, India

Tetragonisca angustularesin gathering behaviour ofSchizolobium parahyba

Utilization of Indian Dammar Bee (Tetragonula iridipennis Smith) as a Pollinator of Bitter Gourd

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