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  1. Article: Management of

    Joshi, Neelendra K / Phan, Ngoc T / Biddinger, David J

    Insects

    2023  Volume 14, Issue 3

    Abstract: Panonychus ... ...

    Abstract Panonychus ulmi
    Language English
    Publishing date 2023-02-24
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2662247-6
    ISSN 2075-4450
    ISSN 2075-4450
    DOI 10.3390/insects14030228
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  2. Article ; Online: Whole-Body Acute Contact Toxicity of Formulated Insecticide Mixtures to Blue Orchard Bees (

    Belsky, Joseph / Biddinger, David J / Joshi, Neelendra K

    Toxics

    2021  Volume 9, Issue 3

    Abstract: Blue orchard bees, [ ...

    Abstract Blue orchard bees, [
    Language English
    Publishing date 2021-03-17
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2733883-6
    ISSN 2305-6304 ; 2305-6304
    ISSN (online) 2305-6304
    ISSN 2305-6304
    DOI 10.3390/toxics9030061
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  3. Article ; Online: Systemic pesticides in a solitary bee pollen food store affect larval development and increase pupal mortality.

    Phan, Ngoc T / Joshi, Neelendra K / Rajotte, Edwin G / Zhu, Fang / Peter, Kari A / López-Uribe, Margarita M / Biddinger, David J

    The Science of the total environment

    2024  Volume 915, Page(s) 170048

    Abstract: Solitary bees are often exposed to various pesticides applied for pest control on farmland while providing pollination services to food crops. Increasing evidence suggests that sublethal toxicity of agricultural pesticides affects solitary bees ... ...

    Abstract Solitary bees are often exposed to various pesticides applied for pest control on farmland while providing pollination services to food crops. Increasing evidence suggests that sublethal toxicity of agricultural pesticides affects solitary bees differently than the social bees used to determine regulatory thresholds, such as honey bees and bumblebees. Studies on solitary bees are challenging because of the difficulties in obtaining large numbers of eggs or young larvae for bioassays. Here we show the toxic and sublethal developmental effects of four widely used plant systemic pesticides on the Japanese orchard bee (Osmia cornifrons). Pollen food stores of this solitary bee were treated with different concentrations of three insecticides (acetamiprid, flonicamid, and sulfoxaflor) and a fungicide (dodine). Eggs were transplanted to the treated pollen and larvae were allowed to feed on the pollen stores after egg hatch. The effects of chronic ingestion of contaminated pollen were measured until adult eclosion. This year-long study revealed that chronic exposure to all tested pesticides delayed larval development and lowered larval and adult body weights. Additionally, exposure to the systemic fungicide resulted in abnormal larval defecation and increased mortality at the pupal stage, indicating potential risk to bees from fungicide exposure. These findings demonstrate potential threats to solitary bees from systemic insecticides and fungicides and will help in making policy decisions to mitigate these effects.
    MeSH term(s) Bees ; Animals ; Pesticides/toxicity ; Insecticides/pharmacology ; Fungicides, Industrial/toxicity ; Larva ; Pollen
    Chemical Substances Pesticides ; Insecticides ; Fungicides, Industrial
    Language English
    Publishing date 2024-01-12
    Publishing country Netherlands
    Document type Journal Article
    ZDB-ID 121506-1
    ISSN 1879-1026 ; 0048-9697
    ISSN (online) 1879-1026
    ISSN 0048-9697
    DOI 10.1016/j.scitotenv.2024.170048
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    In stock of ZB MED Cologne/Königswinter

    Zs.A 949: Show issues Location:
    Je nach Verfügbarkeit (siehe Angabe bei Bestand)
    bis Jg. 1994: Bestellungen von Artikeln über das Online-Bestellformular
    Jg. 1995 - 2021: Lesesall (1.OG)
    ab Jg. 2022: Lesesaal (EG)

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  4. Article: Bee Vectoring: Development of the Japanese Orchard Bee as a Targeted Delivery System of Biological Control Agents for Fire Blight Management.

    Joshi, Neelendra K / Ngugi, Henry K / Biddinger, David J

    Pathogens (Basel, Switzerland)

    2020  Volume 9, Issue 1

    Abstract: Fire blight, which is caused by the ... ...

    Abstract Fire blight, which is caused by the bacteria
    Language English
    Publishing date 2020-01-04
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2695572-6
    ISSN 2076-0817
    ISSN 2076-0817
    DOI 10.3390/pathogens9010041
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  5. Article: Nest Modification Protects Immature Stages of the Japanese Orchard Bee (

    Joshi, Neelendra K / Naithani, Kusum / Biddinger, David J

    Insects

    2020  Volume 11, Issue 1

    Abstract: ... Osmia ... ...

    Abstract Osmia cornifrons
    Language English
    Publishing date 2020-01-20
    Publishing country Switzerland
    Document type Journal Article
    ISSN 2075-4450
    ISSN 2075-4450
    DOI 10.3390/insects11010065
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  6. Article: Nest Modification Protects Immature Stages of the Japanese Orchard Bee (Osmia cornifrons) from Invasion of a Cleptoparasitic Mite Pest

    Joshi, Neelendra K / Naithani, Kusum / Biddinger, David J

    Insects. 2020 Jan. 20, v. 11, no. 1

    2020  

    Abstract: Osmia cornifrons (Radoszkowski) (Hymenoptera: Megachilidae) is an effective orchard pollinator. Considering the honey bee population decline in recent years, the conservation and propagation of O. cornifrons as an alternative managed pollinator is ... ...

    Abstract Osmia cornifrons (Radoszkowski) (Hymenoptera: Megachilidae) is an effective orchard pollinator. Considering the honey bee population decline in recent years, the conservation and propagation of O. cornifrons as an alternative managed pollinator is important in ensuring adequate pollination of tree fruit crops in the eastern United States. A field study was conducted to determine if nest modifications could reduce mite parasites and parasitoid natural enemies that attack managed O. cornifrons. Paraffin-coated paper liners (straws) were added to create modified nests, and were compared with the unmodified nests (i.e., nests without paper liners). In each nest, we recorded the number of nest cells with cleptoparasitic mites Chaetodactylus krombeini (Baker), and the presence of a parasitoid wasp Monodontomerus obscurus (Westwood). We also recorded the number of cocoons, male pupae, female pupae, and unconsumed pollen-nectar provision masses in these nests. Results showed that using paper liners in nest-tunnels greatly reduced the invasion of natural enemies of managed populations of O. cornifrons. Most notably, the addition of paper liners provided protection from invasion by C. krombeini mites, as the mean number of nest cells with mites were significantly lower in these lined nests compared to the nests without paper liners. A significantly higher number of male and female cocoons of O. cornifrons were recorded in the nests with paper liners. The population of M. obscurus was almost negligible in this field study. These results suggest that using nests with paper liners may accelerate the O. cornifrons population establishment and propagation in commercial orchards of rosaceous fruit crops, and possibly in other crops.
    Keywords Monodontomerus obscurus ; Osmia cornifrons ; cocoons ; females ; fruit crops ; honey bees ; immatures ; males ; mites ; natural enemies ; nests ; orchards ; paper ; parasitic wasps ; pollination ; pollinators ; population dynamics ; pupae ; straw ; tree fruits ; Eastern United States
    Language English
    Dates of publication 2020-0120
    Publishing place Multidisciplinary Digital Publishing Institute
    Document type Article
    ISSN 2075-4450
    DOI 10.3390/insects11010065
    Database NAL-Catalogue (AGRICOLA)

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  7. Article: Six years of wild bee monitoring shows changes in biodiversity within and across years and declines in abundance.

    Turley, Nash E / Biddinger, David J / Joshi, Neelendra K / López-Uribe, Margarita M

    Ecology and evolution

    2022  Volume 12, Issue 8, Page(s) e9190

    Abstract: Wild bees form diverse communities that pollinate plants in both native and agricultural ecosystems making them both ecologically and economically important. The growing evidence of bee declines has sparked increased interest in monitoring bee community ... ...

    Abstract Wild bees form diverse communities that pollinate plants in both native and agricultural ecosystems making them both ecologically and economically important. The growing evidence of bee declines has sparked increased interest in monitoring bee community and population dynamics using standardized methods. Here, we studied the dynamics of bee biodiversity within and across years by monitoring wild bees adjacent to four apple orchard locations in Southern Pennsylvania, USA. We collected bees using passive Blue Vane traps continuously from April to October for 6 years (2014-2019) amassing over 26,000 bees representing 144 species. We quantified total abundance, richness, diversity, composition, and phylogenetic structure. There were large seasonal changes in all measures of biodiversity with month explaining an average of 72% of the variation in our models. Changes over time were less dramatic with years explaining an average of 44% of the variation in biodiversity metrics. We found declines in all measures of biodiversity especially in the last 3 years, though additional years of sampling are needed to say if changes over time are part of a larger trend. Analyses of population dynamics over time for the 40 most abundant species indicate that about one third of species showed at least some evidence for declines in abundance. Bee family explained variation in species-level seasonal patterns but we found no consistent family-level patterns in declines, though bumble bees and sweat bees were groups that declined the most. Overall, our results show that season-wide standardized sampling across multiple years can reveal nuanced patterns in bee biodiversity, phenological patterns of bees, and population trends over time of many co-occurring species. These datasets could be used to quantify the relative effects that different aspects of environmental change have on bee communities and to help identify species of conservation concern.
    Language English
    Publishing date 2022-08-12
    Publishing country England
    Document type Journal Article
    ZDB-ID 2635675-2
    ISSN 2045-7758
    ISSN 2045-7758
    DOI 10.1002/ece3.9190
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  8. Article: More than mesolectic: Characterizing the nutritional niche of

    Crone, Makaylee K / Boyle, Natalie K / Bresnahan, Sean T / Biddinger, David J / Richardson, Rodney T / Grozinger, Christina M

    Ecology and evolution

    2023  Volume 13, Issue 10, Page(s) e10640

    Abstract: Characterizing the nutritional needs of wild bee species is an essential step to better understanding bee biology and providing suitable supplemental forage for at-risk species. Here, we aim to characterize the nutritional needs of a model solitary bee ... ...

    Abstract Characterizing the nutritional needs of wild bee species is an essential step to better understanding bee biology and providing suitable supplemental forage for at-risk species. Here, we aim to characterize the nutritional needs of a model solitary bee species,
    Language English
    Publishing date 2023-10-20
    Publishing country England
    Document type Journal Article
    ZDB-ID 2635675-2
    ISSN 2045-7758
    ISSN 2045-7758
    DOI 10.1002/ece3.10640
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  9. Article ; Online: Osmia taurus (Hymenoptera: Megachilidae): A Non-native Bee Species With Invasiveness Potential in North America.

    Gutierrez, Grace M / LeCroy, Kathryn A / Roulston, T'ai H / Biddinger, David J / López-Uribe, Margarita M

    Environmental entomology

    2023  Volume 52, Issue 2, Page(s) 149–156

    Abstract: Bees are important pollinators and are essential for the reproduction of many plants in natural and agricultural ecosystems. However, bees can have adverse ecological effects when introduced to areas outside of their native geographic ranges. Dozens of ... ...

    Abstract Bees are important pollinators and are essential for the reproduction of many plants in natural and agricultural ecosystems. However, bees can have adverse ecological effects when introduced to areas outside of their native geographic ranges. Dozens of non-native bee species are currently found in North America and have raised concerns about their potential role in the decline of native bee populations. Osmia taurus Smith (Hymenoptera: Megachilidae) is a mason bee native to eastern Asia that was first reported in the United States in 2002. Since then, this species has rapidly expanded throughout the eastern part of North America. Here, we present a comprehensive review of the natural history of O. taurus, document its recent history of spread through the United States and Canada, and discuss the evidence suggesting its potential for invasiveness. In addition, we compare the biology and history of colonization of O. taurus to O. cornifrons (Radoszkowski), another non-native mason bee species now widespread in North America. We highlight gaps of knowledge and future research directions to better characterize the role of O. taurus in the decline of native Osmia spp. Panzer and the facilitation of invasive plant-pollinator mutualisms.
    MeSH term(s) Bees ; Animals ; Hymenoptera ; Ecosystem ; North America ; Agriculture ; Pollination
    Language English
    Publishing date 2023-02-15
    Publishing country England
    Document type Review ; Journal Article ; Research Support, U.S. Gov't, Non-P.H.S. ; Research Support, Non-U.S. Gov't
    ZDB-ID 120799-4
    ISSN 1938-2936 ; 0046-2268 ; 0046-225X
    ISSN (online) 1938-2936
    ISSN 0046-2268 ; 0046-225X
    DOI 10.1093/ee/nvad005
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    In stock of ZB MED Bonn / Germany

    Z 2779: Show issues

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  10. Article: Parasitism of the Invasive Brown Marmorated Stink Bug,

    Joshi, Neelendra K / Leslie, Timothy W / Biddinger, David J

    Biology

    2019  Volume 8, Issue 3

    Abstract: The invasive brown marmorated stink bug, ...

    Abstract The invasive brown marmorated stink bug,
    Language English
    Publishing date 2019-09-14
    Publishing country Switzerland
    Document type Journal Article
    ZDB-ID 2661517-4
    ISSN 2079-7737
    ISSN 2079-7737
    DOI 10.3390/biology8030066
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