Bacterial and Fungal Symbionts in Pollen Provisions of a Native Solitary Bee in Urban and Rural Environments

Westreich, Lila R; Westreich, Samuel T.; Tobin, Patrick C.

doi:10.1007/s00248-022-02164-9

Cited by 8 publications

(2 citation statements)

References 60 publications

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“…Insects must in some way “calculate” a cost-benefit analysis between nocturnal and diurnal lifestyles due to the difference in food availability, climatic condition, and the threat of predators during the time (Metcalfe et al, 1999). Foraging patterns and intensity are typically determined by the availability of food resources across their habitat (Westreich et al, 2023). This may be consistent with our observation that seasonal variations in daily foraging activity were observed on rain-free days, with less overall foraging activity during the rainy season.…”

Section: Discussionmentioning

confidence: 99%

Divergent Circadian Foraging Strategies in Response to Diurnal Predation Versus Persistent Rain in Asian Weaver Ant, Oecophylla smaragdina, Suggest Possible Energetic Trade-offs

Dolai,

Soltani,

Smarr

et al. 2024

J Biol Rhythms

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The study of chronobiology of foraging behavior in social insects offers valuable models for the investigation of circadian rhythms. We scored hourly nest entries and exits of Oecophylla smaragdina (Asian weaver ant) workers in 9 active non-polydomous nests on days with and without rain and with and without a primarily diurnal predator present. After determining that Oecophylla display a high nest fidelity, we focused exclusively on analyzing nest entry counts: we found a significant decrease in overall entry counts of individual ants on rainy days compared with non-rainy days ( p < 0.0001). They usually maintain a typical diurnal pattern of foraging activity; however, that regularity was often distorted during rainy periods but appeared to quickly revert to typical patterns following rain. This lack of compensatory foraging activity following a period of rain supports the hypothesis that these ants have enough food reserves to withstand a pure masking-induced suppression of foraging activity. Predation through bird anting, too, decreased foraging activity but appeared to cause a reversal in foraging activity timing from diurnal to nocturnal foraging. Daily periodicity of foraging was significantly disrupted in most nests during rain; however, daily foraging periodicity was disrupted in only one nest due to presence of predators. Thus, rain and predation both exert significant impacts on the overall foraging activity of Asian weaver ants, but while persistent pressure from rain seemed to primarily cause masking (diminution) of circadian foraging activity, predation restricted to the daytime resulted in phase-inversion to nocturnal foraging activity, with little diminution. This is consistent with different energetic strategies being used in response to different pressures by this species.

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Section: Discussionmentioning

confidence: 99%

Divergent Circadian Foraging Strategies in Response to Diurnal Predation Versus Persistent Rain in Asian Weaver Ant, Oecophylla smaragdina, Suggest Possible Energetic Trade-offs

Dolai,

Soltani,

Smarr

et al. 2024

J Biol Rhythms

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“…Research has shown that honey bees (Apis mellifera) consume resin, promoting both bee immune system health and protecting against pathogens and pests (Simone- Finstrom et al, 2017). A study on the generalist solitary species Osmia lignaria found that bacterial and fungal symbionts increased larval developmental success (Westreich et al, 2023a).…”

Section: Selecting Non-floral Resourcesmentioning

confidence: 99%

Native Bee Habitat Restoration- Key Ecological Considerations from Recent Literature

Payne,

Mazer,

Seltmann

2023

Preprint

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Habitat loss is a primary driver of global biodiversity decline, negatively impacting many species. Nevertheless, one approach to counteract the consequences of habitat loss is ecological restoration. Ecological restoration includes the transformation of degraded or damaged habitats to benefit threatened species, including native bees. In this review, we survey the ecological, biological, and conservation literature with the aim of consolidating current research for practical use in bee habitat restoration efforts. We delineate essential steps and applicable tools throughout the various stages of habitat restoration projects, categorizing them into pre-, during-, and postrestoration stages. We emphasize the importance of planning species and site-specific strategies to support bees, including providing floral and non-floral resources and increasing nest site availability. Lastly, we underscore the significance of conducting evaluations and long-term monitoring following restoration efforts. Through the identification of effective restoration methods, success indicators, and areas for future research, our study presents a comprehensive framework that can guide restoration managers, policymakers, and funding agencies during this urgent time for bee conservation.

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Microbiology of Pollen

Kňazovická,

Kačániová

2023

Pollen Chemistry &Amp; Biotechnology

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Bacterial and Fungal Symbionts in Pollen Provisions of a Native Solitary Bee in Urban and Rural Environments

Cited by 8 publications

References 60 publications

Divergent Circadian Foraging Strategies in Response to Diurnal Predation Versus Persistent Rain in Asian Weaver Ant, Oecophylla smaragdina, Suggest Possible Energetic Trade-offs

Divergent Circadian Foraging Strategies in Response to Diurnal Predation Versus Persistent Rain in Asian Weaver Ant, Oecophylla smaragdina, Suggest Possible Energetic Trade-offs

Native Bee Habitat Restoration- Key Ecological Considerations from Recent Literature

Microbiology of Pollen

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