Foraging behaviour of insect visitors and their effect on yield of mango var. Amrapali

Vishwakarma, Ramanuj; Singh, Ramashrit

doi:10.5958/0974-8172.2017.00016.5

Cited by 7 publications

(6 citation statements)

References 4 publications

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“…The bimodal activity observed in E. aeneus appears to be common in other syrphids (Herrera, 1990) but differs from hymenopterans and other dipterans observed in open field mangoes that show only a morning peak (Anderson et al ., 1982; Sung et al ., 2006; Fajardo et al ., 2008; Souza and Halak, 2009; Kumar et al ., 2012; Vishwakarma and Singh, 2017; Deuri et al ., 2018). These patterns also seem to be related to pollen availability and nectar secretion which vary throughout the day due to changes in temperature and humidity (Corbet et al ., 1979).…”

Section: Discussionmentioning

confidence: 99%

“…Among them, blowflies (Calliphoridae) and hoverflies (Syrphidae) are the most frequent, suggesting these flies could help enhance mango pollination and eventually increase yields (Galán-Saúco et al ., 1997; Sharma et al ., 1998; Dag and Gazit, 2000; Usha et al ., 2014; Saeed et al ., 2016; Alqarni et al ., 2017; Rajan and Reddy, 2019). Several authors have reported hoverflies foraging on mango flowers, and highlighted the presence of eristaline species such as Eristalis tenax (Linneo, 1758), Eristalinus aeneus (Scopoli, 1763), Eristalinus arvorum (Fabricius, 1787), Eristalinus hervebazini (Klocker, 1924) and Eristalinus taeniops (Wiedemann, 1818) (Anderson et al ., 1982; Dag and Gazit, 2000; Sung et al ., 2006; Fajardo et al ., 2008; Usha et al ., 2014; Kumar et al ., 2016; Reddy and Sreedevi, 2016; Alqarmi et al ., 2017; Vishwakarma and Singh, 2017; Chauhan et al ., 2018; Mohsen, 2019).…”

Section: Introductionmentioning

confidence: 99%

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Activity and foraging behaviour of the hoverflyEristalinus aeneus(Scopoli, 1763) in protected cultivation of mango (Mangifera indicaL.)

Sánchez

Velásquez²,

González³

et al. 2021

Bull. Entomol. Res.

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The hoverfly Eristalinus aeneus is an important pollinator of crops and wild plants. However, there is a lack of detailed information about its foraging behaviour and its potential as a managed pollinator of mango. Given the growing economic importance of protected cultivation of mango, our aim is to study the flight activity and foraging behaviour of E. aeneus on this crop. Eristalinus aeneus displayed a bimodal daily activity, with peaks during mid-morning and mid-afternoon. The activity was maintained over a wide range of temperature (from 17.8 up to 37.4°C), light intensity (from 8.2 up to 57.4 klux) and relative humidity (from 19.0 up to 88.8%). The syrphids were active most of the time in this crop, and we observed five different types of activity: foraging (67%), resting (17%), flying (10%), grooming (4%) and walking (2%). This hoverfly visited hermaphrodite flowers more often than male flowers. On average, it visited 36.46 ± 13.92 flowers per 5 min, with a higher number of floral visits for nectar feeding. The duration of the visits to hermaphrodite and male flowers was similar but pollen-feeding visits lasted longer (6.44 s per flower) than nectar-feeding ones (5.51 s per flower). The highest number of visits to mango inflorescences was observed during the morning, but the longest visits occurred at midday. The implication of these results for the potential use of E. aeneus as a managed pollinator in protected cultivation of mango is discussed.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Activity and foraging behaviour of the hoverflyEristalinus aeneus(Scopoli, 1763) in protected cultivation of mango (Mangifera indicaL.)

Sánchez

Velásquez²,

González³

et al. 2021

Bull. Entomol. Res.

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“…Similarly, in North America, introduced A. mellifera is a major pollinator of invasive European/Eurasian species Lythrum salicaria, Cirsium vulgare, and Rosa multiflora [22], and in India, A. mellifera was primarily introduced as major honeyproducing species that becomes later a major pollinator of a number of oilseed crops viz., Brassica spp. [23] and Helianthus annuus [24], a second important pollinator of Mangifera indica [25] and also observed as least visitors of Capsicum annuum in the absence of other important floras [26]. Given the broad range of agricultural areas in which A. mellifera and Bombus spp.…”

Section: Role Of Pollinators In Promoting Non-native Plant Invasionmentioning

confidence: 99%

Invasive Exotic Plant-Pollinator Interactions

Anu¹,

Vishwakarma²

2022

Plant Reproductive Ecology - Recent Advances

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Pollination is an imperative biological process, and the exotic plant species have a significant effect on the interaction of plant with pollinators. The exotic plant communities have the ability to cause both direct and indirect impacts on pollinators. The impact of non-native exotic plants on native pollinators can occur at a varying range of scales: starting from the flower visitors who visit flowers individually, to populations and community-level interactions (insect-flower interaction networks). As it is impractical to study every invasive plant in every ecological context, understanding appropriate individual-level trait predicting direct interactions between invasive exotic plants and native pollinators is needed.

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“…Moreti et al [ 8 ] used multi-plant cages and single capitula (sunflower head) bag exclosure techniques to control bee access to flowering sunflower and found that seed number and weight were increased by bee access. Vishwakarma and Ghaatak [ 9 ] found that multi-plant cage studies with honey bees ( Apis mellifera L., Hymenoptera: Apidae) produced the highest yield compared to other pollination systems. Most studies performed using exclusion techniques found that seed productivity was increased when honey bees or wild bees had access to sunflower heads [ 8 , 10 , 11 , 12 , 13 , 14 ].…”

Section: Introductionmentioning

confidence: 99%

Measuring Bee Effects on Seed Traits of Hybrid Sunflower

Brewer

Miwa

Hanford

2023

Plants

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In hybrid sunflower, bee pollination can improve productivity, but the contribution of bees to productivity may be over or underestimated. To estimate bee effects (seed trait gains from exposure to bees during anthesis), single capitula are commonly covered with a porous material to exclude bees. However, depending on the exclosure porosity, estimates of the magnitude of bee effects will vary. In two studies, porosity size and bee effect gains in two sunflower types were tested. In the exclosure study, Delnet exclosures severely reduced seed set and exclosures with larger porosities and had smaller and similar effects. However, since a few small bees penetrated the largest porosity size tested, exclosures with porosity sizes < 7 mm are recommended. With an exclosure porosity of 5 X 5 mm, the estimated bee effect contribution to the yield was 323 kg per hectare. Effects of exclosures on seed traits were similar in the oilseed and confectionary hybrids tested. Insecticide use did not affect seed traits but did lower insect damage to seeds. Bees from three families, mostly Apidae, were collected while foraging on sunflower. In summary, we recommend the use of exclosures with porosities of about 3 to 5 mm to avoid over or underestimating bee effects. And we recommend holistic insect management for sunflower cropping systems that balances the benefits of bee effects on seed traits with management of pest insects.

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Foraging behaviour of insect visitors and their effect on yield of mango var. Amrapali

Cited by 7 publications

References 4 publications

Activity and foraging behaviour of the hoverflyEristalinus aeneus(Scopoli, 1763) in protected cultivation of mango (Mangifera indicaL.)

Activity and foraging behaviour of the hoverflyEristalinus aeneus(Scopoli, 1763) in protected cultivation of mango (Mangifera indicaL.)

Invasive Exotic Plant-Pollinator Interactions

Measuring Bee Effects on Seed Traits of Hybrid Sunflower

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