Gary R. Bauchan
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View article: A New Species of Ultratenuipalpus (Acari: Tenuipalpidae) from Brazil and Re-Description of Ultratenuipalpus meekeri (De Leon), the Type Species of the Genus, with DNA Barcodes
A New Species of Ultratenuipalpus (Acari: Tenuipalpidae) from Brazil and Re-Description of Ultratenuipalpus meekeri (De Leon), the Type Species of the Genus, with DNA Barcodes Open
Species of the genus Ultratenuipalpus bear a broad subquadrate propodosoma with many large, flattened, lanceolate to ovate dorsal setae. They also bear some plesiomorphic character states, such as the presence of three pairs of ventral ps …
View article: Caenonychus, a senior synonym of Speleorchestes (Acariformes: Nanorchestidae)
Caenonychus, a senior synonym of Speleorchestes (Acariformes: Nanorchestidae) Open
The single known specimen of the monotypic genus Caenonychus Oudemans, 1902 was examined. No distinguishing characters could be found to justify the retention of Speleorchestes Trägårdh, 1909 as a separate genus from Caenonychus. Grandjean…
View article: In memory of Gary Bauchan: Utilizing an integrated taxonomy approach for the description of a new species of Gamasellodes (Mesostigmata: Ascidae)
In memory of Gary Bauchan: Utilizing an integrated taxonomy approach for the description of a new species of Gamasellodes (Mesostigmata: Ascidae) Open
Gamasellodes garybauchani sp. nov. Rueda-Ramírez & Santos is described based on specimens collected at the Beltsville Agricultural Research Center (BARC) (Maryland, USA). Twenty-one specimens were used for the description, of which five we…
View article: New species and records of Metatarsonemus (Acari: Tarsonemidae) from Central and South Americas
New species and records of Metatarsonemus (Acari: Tarsonemidae) from Central and South Americas Open
The family Tarsonemidae (Acari: Prostigmata) exhibits a high diversity of feeding habits and morphological structures, which allow them to be successful in many habitats. In Costa Rica, the Mesoamerican forest is a biome that includes all …
View article: In memory of Gary Bauchan: Integrated taxonomy of soil mites in farming systems
In memory of Gary Bauchan: Integrated taxonomy of soil mites in farming systems Open
Current and future legislation requiring the reduction of pesticides use, coupled with global initiatives for the promotion of soil health and conservation of soil biodiversity are creating opportunities for studies aimed at highlighting e…
View article: Caenonychus, a senior synonym of Speleorchestes (Acariformes: Nanorchestidae)
Caenonychus, a senior synonym of Speleorchestes (Acariformes: Nanorchestidae) Open
Supplementary images of the holotype and single known specimen of Caenonychus fallax Oudemans. Abstract of associated paper: The single known specimen of the monotypic genus Caenonychus Oudemans, 1902 was examined. No distinguishing charac…
View article: Metal–Organic Framework-Stabilized High Internal Phase Pickering Emulsions Based on Computer Simulation for Curcumin Encapsulation: Comprehensive Characterization and Stability Mechanism
Metal–Organic Framework-Stabilized High Internal Phase Pickering Emulsions Based on Computer Simulation for Curcumin Encapsulation: Comprehensive Characterization and Stability Mechanism Open
High internal phase Pickering emulsions (HIPPEs) have taken a center stage in the arena of delivery systems in the food industry because of their high loading capacity and stability. In addition, metal-organic frameworks (MOFs), a type of …
View article: Size, shape, and direction matters: Matching secondary genital structures in male and female mites using multiple microscopy techniques and 3D modeling
Size, shape, and direction matters: Matching secondary genital structures in male and female mites using multiple microscopy techniques and 3D modeling Open
Studies of female genital structures have generally lagged behind comparable studies of male genitalia, in part because of an assumption of a lower level of variability, but also because internal genitalia are much more difficult to study.…
View article: <i>Ostertagia ostertagi</i>Mediates Early Host Immune Responses via Macrophage and Toll-Like Receptor Pathways
<i>Ostertagia ostertagi</i>Mediates Early Host Immune Responses via Macrophage and Toll-Like Receptor Pathways Open
Ostertagia ostertagi is an abomasal parasite with significant economic impact on the cattle industry. Early host immune responses are poorly understood.
View article: Morphological and Molecular Characterization of Pratylenchus dakotaensis n. sp. (Nematoda: Pratylenchidae), a New Root-Lesion Nematode Species on Soybean in North Dakota, USA
Morphological and Molecular Characterization of Pratylenchus dakotaensis n. sp. (Nematoda: Pratylenchidae), a New Root-Lesion Nematode Species on Soybean in North Dakota, USA Open
Root-lesion nematodes (Pratylenchus spp.) of the genus Pratylenchus Filipjev, 1936, are among the most important nematode pests on soybean (Glycine max (L.) Merr.), along with soybean cyst and root-knot nematodes. In May 2015 and 2016, a t…
View article: Morphological and molecular characterization of <i>Paratylenchus beltsvillensis</i> n. sp. (Tylenchida: Paratylenchidae) from the rhizosphere of pine tree (<i>Pinus virginiana</i> Mill) in Maryland, USA
Morphological and molecular characterization of <i>Paratylenchus beltsvillensis</i> n. sp. (Tylenchida: Paratylenchidae) from the rhizosphere of pine tree (<i>Pinus virginiana</i> Mill) in Maryland, USA Open
The pin nematode, Paratylechus beltsvillensis n. sp. collected from rhizosphere soil of a Virginia pine tree ( Pinus virginiana Mill) growing in Little Paint Branch Park, Beltsville, Prince George’s County, Maryland, USA, is described and …
View article: Utilization of Z-6040 Organosilane as a Coupling Agent to Improve the Adhesion of Epoxy Resins to Waxy Biological Tissues
Utilization of Z-6040 Organosilane as a Coupling Agent to Improve the Adhesion of Epoxy Resins to Waxy Biological Tissues Open
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View article: Focus on Nematodes: Microscopic Roundworms
Focus on Nematodes: Microscopic Roundworms Open
Journal Article Focus on Nematodes: Microscopic Roundworms Get access Gary Bauchan, Gary Bauchan US Department of Agriculture, Agricultural Research Service, Beltsville, Maryland, United States Search for other works by this author on: Oxf…
View article: A Survey of Rose rosette virus and Eriophyid Mites Associated with Roses in the Southeastern United States
A Survey of Rose rosette virus and Eriophyid Mites Associated with Roses in the Southeastern United States Open
The eriophyid mite, Phyllocoptes fructiphilus , vectors the causal agent, Rose rosette virus (RRV), that results in rose rosette disease. Parts of the southeastern United States have remained free of the disease, except for infected plant …
View article: Vis/NIR hyperspectral imaging distinguishes sub-population, production environment, and physicochemical grain properties in rice
Vis/NIR hyperspectral imaging distinguishes sub-population, production environment, and physicochemical grain properties in rice Open
Rice grain quality is a multifaceted quantitative trait that impacts crop value and is influenced by multiple genetic and environmental factors. Chemical, physical, and visual analyses are the standard methods for measuring grain quality. …
View article: <p class="Body"><strong>Two new species of <em>Tarsonemus </em>(Acari: Tarsonemidae) from Bahia, Brazil</strong></p>
<strong>Two new species of <em>Tarsonemus </em>(Acari: Tarsonemidae) from Bahia, Brazil</strong> Open
The Tarsonemidae (Acari: Prostigmata) exhibit a high diversity of feeding habits and morphological structures, which allow them to live in a diversity of habitats. Tarsonemus is the largest genus, with more than 280 described species belon…
View article: Detection of the Lychee Erinose Mite, Aceria litchii (Keifer) (Acari: Eriophyidae) in Florida, USA: A Comparison with Other Alien Populations
Detection of the Lychee Erinose Mite, Aceria litchii (Keifer) (Acari: Eriophyidae) in Florida, USA: A Comparison with Other Alien Populations Open
The lychee erinose mite (LEM), Aceria litchii (Keifer) is a serious pest of lychee (Litchi chinensis Sonn.). LEM causes a type of gall called ‘erineum’ (abnormal felty growth of trichomes from the epidermis), where it feeds, reproduces and…
View article: Blistering1 Modulates Penicillium expansum Virulence Via Vesicle-mediated Protein Secretion
Blistering1 Modulates Penicillium expansum Virulence Via Vesicle-mediated Protein Secretion Open
The blue mold fungus, Penicillium expansum, is a postharvest apple pathogen that contributes to food waste by rotting fruit and by producing harmful mycotoxins (e.g. patulin). To identify genes controlling pathogen virulence, a random T-DN…
View article: An amazing sub-cambium flat mite from South Africa (Acari: Trombidiformes: Tenuipalpidae)
An amazing sub-cambium flat mite from South Africa (Acari: Trombidiformes: Tenuipalpidae) Open
An unusual sub-cambium flat mite, Phytoptipalpus occultuae sp. n., first found under the bark in blisters on stems of Senegalia caffra in Pretoria, South Africa is described and illustrated herein. This is a unique species in the genus Phy…
View article: Germination of Pulsatilla Seeds as Influenced by Seed Morphology, Moist 5 °C and Gibberellin (GA3) Treatment, and Detection of Nickel in Seeds
Germination of Pulsatilla Seeds as Influenced by Seed Morphology, Moist 5 °C and Gibberellin (GA3) Treatment, and Detection of Nickel in Seeds Open
Seeds of Pulsatilla turczaninovii were categorized to full and empty seeds based on observations under a light microscope and on X-ray images. A germination test for full or empty seeds was evaluated as affected by the duration of gibberel…
View article: New Symptoms Identified in Phytoplasma-Infected Plants Reveal Extra Stages of Pathogen-Induced Meristem Fate-Derailment
New Symptoms Identified in Phytoplasma-Infected Plants Reveal Extra Stages of Pathogen-Induced Meristem Fate-Derailment Open
In flowering plants, the transition of a shoot apical meristem from vegetative to reproductive destiny is a graduated, multistage process that involves sequential conversion of the vegetative meristem to an inflorescence meristem, initiati…
View article: Discovery of Aphis ruborum (Hemiptera: Aphididae) and Aphelinus varipes (Hymenoptera: Aphelinidae) on Cultivated Strawberry in Mississippi, USA
Discovery of Aphis ruborum (Hemiptera: Aphididae) and Aphelinus varipes (Hymenoptera: Aphelinidae) on Cultivated Strawberry in Mississippi, USA Open
An adventive aphid and novel host-parasitoid association from cultivated strawberry (Fragaria × ananessa Duch. cv. Chandler; Fragaria × ananessa Duch. cv. Camarosa) in Mississippi, USA are reported herein. The aphid, first detected in high…
View article: Dermatitis in humans caused by Ornithonyssus bursa (Berlese 1888) (Mesostigmata: Macronyssidae) and new records from Brazil
Dermatitis in humans caused by Ornithonyssus bursa (Berlese 1888) (Mesostigmata: Macronyssidae) and new records from Brazil Open
Ornithonyssus bursa, known as the “tropical fowl mite”, is a hematophagous mite of domestic and wild birds, occasionally biting humans. Infestation on humans occurs mainly when the abandoned nests are close to homes, or by manipulation of …
View article: The complete genome sequence of an alphabaculovirus from Spodoptera exempta, an agricultural pest of major economic significance in Africa
The complete genome sequence of an alphabaculovirus from Spodoptera exempta, an agricultural pest of major economic significance in Africa Open
Spodoptera exempta nucleopolyhedrovirus (SpexNPV) is a viral pathogen of the African armyworm, Spodoptera exempta (Lepidoptera: Noctuidae), a significant agricultural pest of cereal crops in Africa. SpexNPV has been evaluated as a potentia…
View article: <i>Varroa destructor</i>feeds primarily on honey bee fat body tissue and not hemolymph
<i>Varroa destructor</i>feeds primarily on honey bee fat body tissue and not hemolymph Open
Significance Varroa destructor causes considerable damage to honey bees and subsequently the field of apiculture through just one process: feeding. For five decades, we have believed that these mites consume hemolymph like a tick consumes …
View article: Dermatitis in humans caused by Ornithonyssus bursa (Berlese 1888) (Mesostigmata: Macronyssidae) and new records from Brazil
Dermatitis in humans caused by Ornithonyssus bursa (Berlese 1888) (Mesostigmata: Macronyssidae) and new records from Brazil Open
Ornithonyssus bursa, known as the “tropical fowl mite”, is a hematophagous mite of domestic and wild birds, occasionally biting humans. Infestation on humans occurs mainly when the abandoned nests are close to homes, or by manipulation of …
View article: Dermatitis in humans caused by Ornithonyssus bursa (Berlese 1888) (Mesostigmata: Macronyssidae) and new records from Brazil
Dermatitis in humans caused by Ornithonyssus bursa (Berlese 1888) (Mesostigmata: Macronyssidae) and new records from Brazil Open
Ornithonyssus bursa, known as the “tropical fowl mite”, is a hematophagous mite of domestic and wild birds, occasionally biting humans. Infestation on humans occurs mainly when the abandoned nests are close to homes, or by manipulation of …
View article: An amazing subcambium burrowing flat mite from South Africa (Acari: Trombidiformes: Tenuipalpidae)
An amazing subcambium burrowing flat mite from South Africa (Acari: Trombidiformes: Tenuipalpidae) Open
An unusual sub-cambium flat mite, Phytoptipalpus occultuae sp. n., first found under the bark in blisters on stems of Senegalia caffra in Pretoria, South Africa is described and illustrated herein. This is a unique species in the genus Phy…
View article: Eriophyoid Mites Found on Healthy and Rose Rosette Diseased Roses in the United States1
Eriophyoid Mites Found on Healthy and Rose Rosette Diseased Roses in the United States1 Open
Phyllocoptes fructiphilus (Keifer), known as the rose bud mite, is an eriophyoid mite that has been shown to be the vector of Rose rosette virus (RRV), an Emaravirus , and the causal agent of rose rosette disease (RRD). Studies were conduc…