Foraging activity and pollen diets of subterranean stingless bee colonies 
in response to general flowering in Sarawak, Malaysia

Nagamitsu, Teruyoshi; Inoue, Tamiji

doi:10.1051/apido:2002016

Cited by 37 publications

(34 citation statements)

References 18 publications

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“…The IC50 of propolis extract for DPPH assay was 4.27 mg/ml. Specific pollen foraging activity and different diets of stingless bee itself may cause a difference in antioxidant activity [21][22].…”

Section: Figurementioning

confidence: 99%

Phytochemical analysis and antioxidant activities of Trigona Apicalis propolis extract

Rosli¹,

Roslan²,

Omar³

et al. 2016

AIP Conference Proceedings

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Abstract. Propolis is a resinous substance found in beehives. It provides beneficial effects on human health and has been used to treat many diseases since ancient times. The objectives of this study were to analyze the phytochemical profile of propolis derived from local T. apicalis species and its antioxidant activities. The ethanolic extract of propolis was subjected to HPLC analysis to analyze its phytochemical profile. The propolis extract was later tested for antioxidant capacities by using DPPH radical scavenging assay. TPC and TFC were performed to determine the correlation with its antioxidant activities. TEAC for each serial dilution sample was 2621.15 (4.76 mg/mL), 2050.85 (2.38 mg/mL), 1883.27 (1.19 mg/mL), 1562.67 (0.59 mg/mL), 1327.82 (0.29 mg/mL), 1164.49 (0.15 mg/mL), 983.27 (0.07 mg/mL), and 944.79 (0.04 mg/mL). The results demonstrated that the antioxidant activities of propolis extract were dose dependent. The IC50 of propolis for DPPH assay was 4.27 mg/ml. Correlation values of TPC and TFC against DPPH indicate that the antioxidant activities of propolis extract used in this study could be mainly influenced by the phenolic and flavonoid contents. These findings highlighted the importance of quality analysis in order to ensure the consistency of biological effects or therapy of a natural product, such as propolis.

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Section: Figurementioning

confidence: 99%

Phytochemical analysis and antioxidant activities of Trigona Apicalis propolis extract

Rosli¹,

Roslan²,

Omar³

et al. 2016

AIP Conference Proceedings

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“…Studies aiming to identify the food sources used by bees are considered more complete if there is an estimation of resource availability performed throughout the study period [27,[30][31][32]. However, due to the difficulty of evaluating resource availability under natural conditions, only a few studies were made with this focus [33].…”

Section: Introductionmentioning

confidence: 99%

Foraging ofScaptotrigonaaff.depilis(Hymenoptera, Apidae) in an Urbanized Area: Seasonality in Resource Availability and Visited Plants

Aleixo

Alberto²,

Imperatriz-Fonseca³

2012

Psyche: A Journal of Entomology

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The floral sources used by bees can be identified by analyzing pollen grains obtained from their bodies, feces, brood cells, or storage pots in the nests. In addition to data on resource availability, this information enables the investigation on the selection of food resource by bees. We assessed the foraging patterns of Scaptotrigona aff. depilis in an urbanized area with seasonal availability of food resources. The species visited a percentage of 36.60% of the available flora, suggesting that these bees are selective at spatiotemporal scale. When many types of resources were available, the workers concentrated their collection activities on a limited group of sources. In contrast, more plant species were exploited during periods of lower number of flowering plants. A monthly analysis of the foraging patterns of the studied colonies revealed that Syzygium cumini (88.86%), Mimosa sp.1 (80.23%), Schinus terebinthifolius (63.36%), and Eucalyptus citriodora (61.75%) were the most frequently used species and are therefore important for maintaining S. aff. depilis at the study area. These plants are close to the colonies and exhibit mass flowering. This study is one of few works to quantify natural resource availability and to analyze the effects of flowering seasonality on the selection of food sources by bees.

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“…Morning peaks of foraging for pollen have been reported in many other species of stingless bee (De Bruijn and Sommeijer, 1997;Nagamitsu and Inoue, 2002). In contrast with pollen foraging, resin foraging was relatively stable over time and did not show diurnal peaks.…”

Section: Diurnal Patterns Of Colony Foragingmentioning

confidence: 67%

“…Decisions are based on intrinsic factors, and on information from the colony and environment (Biesmeijer and Slaa, 2004). Colonies can show distinct diurnal patterns of foraging, often determined by environmental cues such as temperature, wind speed and solar radiation (Heard and Hendrikz, 1993) and resource availability (Bartareau, 1996;De Bruijn and Sommeijer, 1997;Nagamitsu and Inoue, 2002). Colony foraging patterns in stingless bees have been Resin-foraging bees are critically important for seed dispersal of three plant species: a rainforest eucalypt, Corymbia torelliana (Wallace and Trueman, 1995;Wallace et al, 2008); a tree legume, Zygia racemosa (Bacelar-Lima et al, 2006); and an epiphyte, Coussapoa asperifolia (Garcia et al, 1992;Nunez et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

Resin-foraging by colonies ofTrigona sapiensandT. hockingsi(Hymenoptera: Apidae, Meliponini) and consequent seed dispersal ofCorymbia torelliana(Myrtaceae)

Wallace

Lee

2009

Apidologie

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-Resins are a critical resource for stingless bees and resin -collecting bees act as seed dispersers in tropical plants. We describe the diurnal foraging patterns of colonies of Trigona sapiens and T. hockingsi on resin and pollen. We also document patterns of waste removal and seed dispersal of Corymbia torelliana. At most, only 10% of foragers collected resin or dispersed seed. Nevertheless, bees dispersed 1-3 seeds outside the nest per 5 minutes, and 38-114 seeds per day for each nest. The proportion of returning bees carrying pollen was highest in the morning for both species. The proportion of foragers returning with resin loads showed no significant diurnal variation in any season. Waste removal activity peaked in the afternoon for T. sapiens and in the morning for T. hockingsi. Seed removal peaked in the afternoon in one year only for T. sapiens. Bees dispersed thousands of seeds of C. torelliana over the season even though only a small proportion of the colony was engaged in seed transport. stingless bees / mellitochory / seed dispersal / resin / Corymbia

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Foraging activity and pollen diets of subterranean stingless bee colonies in response to general flowering in Sarawak, Malaysia

Cited by 37 publications

References 18 publications

Phytochemical analysis and antioxidant activities of Trigona Apicalis propolis extract

Phytochemical analysis and antioxidant activities of Trigona Apicalis propolis extract

Foraging ofScaptotrigonaaff.depilis(Hymenoptera, Apidae) in an Urbanized Area: Seasonality in Resource Availability and Visited Plants

Resin-foraging by colonies ofTrigona sapiensandT. hockingsi(Hymenoptera: Apidae, Meliponini) and consequent seed dispersal ofCorymbia torelliana(Myrtaceae)

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