Ethological Study of Flower Visiting Insects in Two Parks, Kolkata, India

Sarkar, Subhodeep; Nandy, Abhishek; Talapatra, Soumendra Nath

doi:10.18052/www.scipress.com/ilns.17.41

Cited by 4 publications

(2 citation statements)

References 12 publications

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“…All the four insect visitors were found to land for foraging at the flowers. Landing on flower petals for feeding is a common foraging behaviour of insects as reported by Sarkar et al (2014). In the study, they observed visitations to common ornamental plants (sunflower, Petunia and Buganvilia) which explained their role as pollen vectors and potential pollinating agents by contacting the flower parts.…”

Section: Observation Of Flower Visitors To Determine Their Potential Rolementioning

confidence: 80%

Observation of Flower Visitors to Determine their Potential Role as Pollinators of Ixora coccinae and Ruellia simplex

Kamaruddin

Zalipah

2020

UMT JUR

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This study aimed to determine the potential pollinating agents of Ixora coccinae and Ruellia simplex at Universiti Malaysia Terengganu (UMT) campus based on the foraging activities of the flower visitors. The diurnal observations (0700 hr to 1800 hr) were conducted for a total of 144 hours and 96 hours for I. coccinae, for R. simplex respectively. The flower visitor activities (landing or hovering at the flowers) and the time spent at the flowers however were recorded for only the first 10 minutes of every hour between 0700 hr and 1000 hr for four days. A total of 383 flower visitations was recorded by 17 insect species and a bird species, the olive-backed sunbird (Cinnyris jugularis). For I. coccinae, the most common visitors were Apis cerana, Heterotrigona itama and Xylocopa confusa, in which all species were found to show only landing behaviour to forage at the flowers, and the time spent foraging at the flowers was not significantly different between the species (Kruskal-Wallis test, H = 1.323, df = 2, p = 0.055). For R. simplex, the most common visitors were A. cerana with 100% landing, and C. jugularis which recorded 80% landing and 20% hovering during their visits to the flowers. Between the two, A. cerana recorded significantly longer time spent at the flowers as compared to C. jugularis (Mann-Whitney test, U = 17.355, p < 0.001). Based on the visitation rate and feeding behaviour of the flower visitors, A. cerana, H. itama and X. confusa were the potential pollinating agents for I. coccinae while for R. simplex, A. cerana showed higher potential to be a pollinating agent as compared to C. jugularis. Therefore, this study highlighted the importance of recording the behaviour of each flower visitor to determine the relative contribution to the pollination success of the plant species visited.

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Section: Observation Of Flower Visitors To Determine Their Potential Rolementioning

confidence: 80%

Observation of Flower Visitors to Determine their Potential Role as Pollinators of Ixora coccinae and Ruellia simplex

Kamaruddin

Zalipah

2020

UMT JUR

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“…Landing on the flower is a common feeding strategy for many insects (Sarkar et al, 2014), as hovering feeding requires higher energy expenditure (Dreisig, 1997). Heterotrigona itama, with their small body size, enables them to land on small sized flowers to forage for nectar (Kamaruddin & Nor Zalipah, 2020).…”

Section: Flower Visitors As Pollinatorsmentioning

confidence: 99%

FLORAL TRAITS AND POLLINATION OF SPANISH CHERRY (Mimusops elengi Linn.) IN UNIVERSITI MALAYSIA TERENGGANU CAMPUS

SUKRI¹,

GUNONG²,

IDIN³

et al. 2021

UMT JUR

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Some plants are self-compatible thus do not require pollinating agents for fertilisation of the ovule. Pollinating agents however are essential to promote cross-fertilisation, thus beneficial for the long-term survival of the plant species. In this study, we investigate the flower characteristics (flower size, colour, breeding system and nectar reward) and flower visitors of the Spanish cherry, Mimusops elengi, one of the most commonly planted ornamental trees in Universiti Malaysia Terengganu campus. Observations of flowers and the flower visitors were conducted between October 2016 and February 2017. The small sized flower, 19.88 + 1.70 mm (mean + SD) in height and 11.38 + 0.87 mm (mean + SD) in width; low volume with 11.90 + 5.55 µl (mean + SD) but with high sugar concentration with 26.57 + 3.72 % (mean + SD) nectar reward indicated insect pollination syndrome in this species. Xenogamy breeding system was determined for this species from the pollen-toovule ratio observation, which showed pollinating agents are required for cross-pollination to occur. Notes on the flower visitors revealed that two hymenopteran bee species, Xylocopa confusa and Heterotrigona itama as the pollinating agents of M. elengi. Not only these two species showed high visitation to the flowers, but they also land on the flowers to feed on the flower nectar, which could then potentially transfer the conspecific pollen grains on their bodies to the stigma for fertilisation of the flowers they visited.

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Ethnomedicinal Aspects of some Weeds from Paddy Fields of Villupuram District in Tamil Nadu, India

Dhanam

Elayaraj

2014

ILNS

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The present investigation has been carried out to enumerate the ethnomedicinal plant growing in the paddy field of Villupuram district, Tamil Nadu. Ten selected sites in the Villupuram district was taken for investigation. Random quadrate method was adapted for studying the phytosociological attributes of the weeds. A total of 145 plant species belonging to 22 families were identified, out of which 39 plant species are medicinally important to cure different diseases in human beings directly. Amaranthaceae and Euphorbiaceae was the dominant family seen during observation. Frequency, Relative frequency, Density, Relative density, Abundance, Relative abundance and Important Value Index (IVI) of the species were calculated.

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Ethological Study of Flower Visiting Insects in Two Parks, Kolkata, India

Cited by 4 publications

References 12 publications

Observation of Flower Visitors to Determine their Potential Role as Pollinators of Ixora coccinae and Ruellia simplex

Observation of Flower Visitors to Determine their Potential Role as Pollinators of Ixora coccinae and Ruellia simplex

FLORAL TRAITS AND POLLINATION OF SPANISH CHERRY (Mimusops elengi Linn.) IN UNIVERSITI MALAYSIA TERENGGANU CAMPUS

Ethnomedicinal Aspects of some Weeds from Paddy Fields of Villupuram District in Tamil Nadu, India

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