Stephen A. Bullard

article

Morphology, phylogenetics and pathology of “red sore disease” (coinfection by Epistylis cf. wuhanensis and Aeromonas hydrophila) on sportfishes from reservoirs in the South‐Eastern United States

Steven P. Ksepka, Stephen A. Bullard

Journal of Fish Diseases > 44 > 5 > 541 - 551

The aetiological agents of red sore disease (RSD) reportedly comprise a taxonomically ambiguous stalked ciliate (a species of Epistylis) and Aeromonas hydrophila. The taxonomic identity of each pathogen remains provisional: using supra‐specific morphological features for the ciliate and culture‐based methods that cannot delineate bacterial strain. On 7 and 9 November 2017 and 28 May 2020, biologists...

article

An updated geographic distribution of Myxobolus cerebralis (Hofer, 1903) (Bivalvulida: Myxobolidae) and the first diagnosed case of whirling disease in wild‐caught trout in the south‐eastern United States

Steven P. Ksepka, Jacob M. Rash, Brandon L. Simcox, Doug A. Besler, more

Journal of Fish Diseases > 43 > 7 > 813 - 820

Myxobolus cerebralis (Bivalvulida: Myxobolidae), the aetiological agent of salmonid whirling disease, was detected in 2 river basins of North Carolina during 2015, which initiated the largest spatial–temporal monitoring project for the disease ever conducted within the south‐eastern United States (focused mainly in eastern Tennessee and western North Carolina). A total of 2072 rainbow trout Oncorhynchus mykiss...

article

Prevalence, intensity and pathology of the nasal parasite Nasicola hogansi in Atlantic bluefin tuna (Thunnus thynnus)

Zoemma T. Warshafsky, Stephen A. Bullard, Wolfgang K. Vogelbein, Emily A. Chandler, more

Journal of Fish Diseases > 43 > 3 > 327 - 335

Ectoparasitic flatworms of Nasicola (Monogenoidea: Capsalidae), which infect nasal epithelium of true tunas (Thunnus spp.), are not well studied, nor have their impacts on the host's olfactory organ been evaluated. Infections of Nasicola hogansi on Atlantic bluefin tuna, Thunnus thynnus, were investigated with emphasis on the relationship between infection prevalence, abundance and mean intensity...

article

A new species of Myxobolus (Myxozoa: Bivalvulida) infecting the medulla oblongata and nerve cord of brook trout Salvelinus fontinalis in southern Appalachia (New River, NC, USA)

Steven P. Ksepka, Jacob M. Rash, Nathan Whelan, Stephen A. Bullard

Parasitology Research > 2019 > 118 > 12 > 3241-3252

Myxobolus neurofontinalis n. sp. infects the brain and medulla oblongata of brook trout (Salvelinus fontinalis [Mitchill, 1814]) in the New River, western NC. It is the first species of Myxobolus described from the brook trout and resembles another congener (Myxobolus arcticus Pugachev and Khokhlov, 1979) that infects nerve tissue of chars (Salvelinus spp.). The new species differs from M. arcticus...

article

Gymnurahemecus bulbosus gen. et sp. nov. (Digenea: Aporocotylidae) infecting smooth butterfly rays, Gymnura micrura (Myliobatiformes: Gymnuridae) in the northern Gulf of Mexico, with a taxonomic key and further evidence for monophyly of chondrichthyan blood flukes

Micah B. Warren, Carlos F. Ruiz, Nathan V. Whelan, Delane C. Kritsky, more

Parasitology Research > 2019 > 118 > 3 > 751-762

Gymnurahemecus bulbosus gen. et sp. nov. infects the heart of smooth butterfly rays, Gymnura micrura in the Gulf of Mexico. Gymnurahemecus differs from all other accepted aporocotylid genera by having one column of C-shaped lateral tegumental spines, a medial oesophageal bulb anterior to a diverticulate region of the oesophagus, inverse U-shaped intestinal caeca, a non-looped testis, an oviducal ampulla,...

article

Spirorchis spp. (Digenea: Schistosomatoidea) infecting map turtles (Cryptodira: Emydidae: Graptemys spp.) in southeastern North America: A new species, molecular phylogenies, and key to species

Jackson R. Roberts, Micah B. Warren, Kenneth M. Halanych, Stephen A. Bullard

Systematic Parasitology > 2019 > 96 > 1 > 51-64

Black-knobbed map turtles (Graptemys nigrinoda Cagle) and Alabama map turtles (Graptemys pulchra Baur) were infected with several blood flukes in Alabama (southeastern North America). Spirorchis paraminutus Roberts & Bullard n. sp. differs from its congeners by having a body that is 12−24× longer than wide, a testicular column of 10 testes that is 1/5–1/4 of the body length and located far posterior...

article

A new genus and species of turtle blood fluke (Digenea: Schistosomatoidea) from the Mekong snail-eating turtle, Malayemys subtrijuga (Schlegel & Müller) (Testudines: Geoemydidae) in Vietnam, with a reassessment of related Asiatic turtle blood flukes and molecular phylogeny

Jackson R. Roberts, Cova R. Arias, Kenneth M. Halanych, Binh T. Dang, more

Systematic Parasitology > 2018 > 95 > 2-3 > 133-145

Platt sinuosus Roberts & Bullard n. g., n. sp. (type-species) infects the kidney and mesenteric blood vessels of Mekong snail-eating turtles, Malayemys subtrijuga (Schlegel & Müller), in the Mekong River Basin. Species of Platt Roberts & Bullard n. g. are unique by the combination of having a papillate ventral sucker, vasa efferentia that are dorsal to the gonads, a massive cirrus-sac...

article

Emendation and new species of Hapalorhynchus Stunkard, 1922 (Digenea: Schistosomatoidea) from musk turtles (Kinosternidae: Sternotherus) in Alabama and Florida rivers

Jackson R. Roberts, Kenneth M. Halanych, Cova R. Arias, Brian Folt, more

Parasitology International > 2017 > 66 > 6 > 748-760

Hapalorhynchus Stunkard, 1922 is emended based on morphological study of existing museum specimens (type and voucher specimens) and newly-collected specimens infecting musk turtles (Testudines: Kinosternidae: Sternotherus spp.) from rivers in Alabama and Florida (USA). Hapalorhynchus conecuhensis n. sp. is described from an innominate musk turtle, Sternotherus cf. minor, (type host) from Blue Spring...

article

Acipensericola glacialis n. sp. (Digenea: Aporocotylidae) from heart of lake sturgeon Acipenser fulvescens Rafinesque (Acipenseriformes: Acipenseridae) in the Great Lakes Basin, Lake Winnebago System, USA

Micah B. Warren, Jackson R. Roberts, Cova R. Arias, Ryan P. Koenigs, more

Systematic Parasitology > 2017 > 94 > 8 > 875-889

Acipensericola glacialis n. sp. infects the heart of lake sturgeon, Acipenser fulvescens (Rafinesque), in the Lake Winnebago System and differs from its only congener, Acipensericola petersoni Bullard, Snyder, Jensen & Overstreet, 2008, by having a dendritic intestine, deeply-lobed testes, a post-ovarian oötype, and a common genital pore that is medial to the dextral caecum. Acipensericola petersoni...

article

Empruthotrema longipenis n. sp. (Monogenoidea: Monocotylidae: Merizocotylinae) from the olfactory sacs of the smooth butterfly ray Gymnura micrura (Bloch & Schneider) (Myliobatiformes: Gymnuridae) in the Gulf of Mexico

Delane C. Kritsky, Stephen A. Bullard, Carlos F. Ruiz, Micah B. Warren

Systematic Parasitology > 2017 > 94 > 7 > 777-784

A new species of Empruthotrema Johnston & Tiegs, 1922 is described based on specimens collected from the olfactory sacs of smooth butterfly rays Gymnura micrura (Bloch & Schneider) captured in Mobile Bay (northcentral Gulf of Mexico), Alabama, USA. Empruthotrema longipenis n. sp. is most similar to the type-species Empruthotrema raiae (MacCallum, 1916) Johnston & Tiegs, 1922 by having...

article

Two new species of Elopicola (Digenea: Aporocotylidae) from Hawaiian ladyfish, Elops hawaiensis (Eastern Sea) and Atlantic tarpon, Megalops atlanticus (Gulf of Mexico) with a comment on monophyly of elopomorph blood flukes

Raphael Orélis-Ribeiro, Kenneth M. Halanych, Binh T. Dang, Micah D. Bakenhaster, more

Parasitology International > 2017 > 66 > 3 > 305-318

Elopicola bristowi sp. n. infects the blood vascular system of Hawaiian ladyfish, Elops hawaiensis, in the Eastern Sea. It differs from the only nominal congener Elopicola nolancribbi by the combination of having rows of ventrolateral tegumental spines, a proportionally long oesophagus, anterior caeca, vasa efferentia coalescing ventral to the posterodextral margin of the testis, a post-testicular...

article

Endocarditis associated with blood fluke infections (Digenea: Aporocotylidae: Psettarium cf. anthicum) among aquacultured cobia (Rachycentron canadum) from Nha Trang Bay, Vietnam

Micah B. Warren, Raphael Orélis-Ribeiro, Carlos F. Ruiz, Binh T. Dang, more

Aquaculture > 2017 > 468 > P1 > 549-557

We herein diagnose blood fluke (Digenea: Aporocotylidae) infections in sea cage-reared cobia (Rachycentron canadum) from Nha Trang Bay, Vietnam, using morphology, nucleotide sequences, scanning electron microscopy, and histopathology. This is the first report of this blood fluke beyond the Gulf of Mexico and contributes to our understanding of the disease implications of aporocotylid infections among...

article

New species of Proterometra (Digenea: Azygiidae) and its life cycle in the Chickasawhay River, Mississippi, USA, with supplemental observations of Proterometra autraini

Matthew R. Womble, Raphael Orélis-Ribeiro, Stephen A. Bullard

Parasitology International > 2016 > 65 > 1 > 31-43

We describe Proterometra ariasae n. sp. based upon cercariae shed from a freshwater snail, Pleurocera sp., and adults infecting the buccal cavity of longear sunfish, Lepomis megalotis, captured from the Chickasawhay River, Mississippi, USA. We also provide supplemental observations of cercarial and adult paratypes of Proterometra autraini from the Au Train River, Michigan, USA. Sequence data for the...

article

Skin lesions on yellowfin tuna Thunnus albacares from Gulf of Mexico outer continental shelf: Morphological, molecular, and histological diagnosis of infection by a capsalid monogenoid

Stephen A. Bullard, Matthew R. Womble, Margaret K. Maynard, Raphael Orélis-Ribeiro, more

Parasitology International > 2015 > 64 > 6 > 609-621

We characterize lesion-associated capsaline infections on yellowfin tuna, Thunnus albacares, in the Gulf of Mexico by comparing our specimens with published descriptions and museum specimens ascribed to Capsala biparasiticum and its synonyms: vouchers of C. biparasiticum from parasitic copepods; the holotype of Capsala neothunni; and vouchers of Capsala abidjani. Those from parasitic copepods differed...

article

Proterometra epholkos sp. n. (Digenea: Azygiidae) from Terrapin Creek, Alabama, USA: Molecular characterization of life cycle, redescription of Proterometra albacauda, and updated lists of host and geographic locality records for Proterometra spp. in North America

Matthew R. Womble, Raphael Orélis-Ribeiro, Stephen A. Bullard

Parasitology International > 2015 > 64 > 1 > 50-69

Proterometra epholkos sp. n. asexually reproduces in the stream dwelling prosobranch, Elimia cf. modesta (Cerithioidea: Pleuroceridae) and infects the buccal cavity epithelium of spotted bass, Micropterus punctulatus (Perciformes: Centrarchidae) in the Coosa River (Terrapin Creek; N33°51′36.56″, W85°31′28.15″; Cleburne County, Alabama, USA). We characterize cercariae and adults of the new species...

article

Community Structure of Skin Microbiome of Gulf Killifish, Fundulus grandis, Is Driven by Seasonality and Not Exposure to Oiled Sediments in a Louisiana Salt Marsh

Andrea M. Larsen, Stephen A. Bullard, Matthew Womble, Covadonga R. Arias

Microbial Ecology > 2015 > 70 > 2 > 534-544

Mucus of fish skin harbors complex bacterial communities that likely contribute to fish homeostasis. When the equilibrium between the host and its external bacterial symbionts is disrupted, bacterial diversity decreases while opportunistic pathogen prevalence increases, making the onset of pathogenic bacterial infection more likely. Because of that relationship, documenting temporal and spatial microbial...

article

Diversity of the skin microbiota of fishes: evidence for host species specificity

Andrea Larsen, Zhen Tao, Stephen A. Bullard, Covadonga R. Arias

FEMS Microbiology Ecology > 85 > 3 > 483 - 494

Skin microbiota of Gulf of Mexico fishes were investigated by ribosomal internal spacer analysis (RISA) and 16S rRNA gene sequencing. A total of 102 fish specimens representing six species (Mugil cephalus,Lutjanus campechanus,Cynoscion nebulosus,Cynoscion arenarius,Micropogonias undulatus, and Lagodon rhomboides) were sampled at regular intervals throughout a year. The skin microbiota from each individual...

article

Osteological and histopathological details of unilateral microphthalmia and anophthalmia in juvenile common carp (Cyprinus carpio)

Andrew McElwain, Candis Ray, Baofeng Su, Mei Shang, more

Aquaculture > 2013 > 400-401 > Complete > 135-141

We describe and compare normal eye, unilateral microphthalmia (small eye), and unilateral anophthalmia (eye incompletely developed) in young (5–7month-old) common carp, Cyprinus carpio, (Cypriniformes: Cyprinidae). Five of 1058 (0.47%) common carp had grossly-observed eye deformities that we characterized using osteology and histopathology: 2 (81 and 98mm fork length) had unilateral microphthalmia...

article

Efficacy of Bath Treatments of Formalin and Copper Sulfate on Cultured White Bass, Morone chrysops, Concurrently Infected by Onchocleidus mimus and Ichthyophthirius multifiliis

Bradley D. Farmer, S. Adam Fuller, Andrew J. Mitchell, David L. Straus, more

Journal of the World Aquaculture Society > 44 > 2 > 305 - 310

article

Scanning Electron Microscopy of “Saddleback” Lesions Associated with Experimental Infections of Flavobacterium columnare in Channel Catfish, Ictalurus punctatus (Siluriformes: Ictaluridae), and Zebrafish, Danio rerio (Cypriniformes: Cyprinidae)

Stephen A. Bullard, Andrew McElwain, Covadonga R. Arias

Journal of the World Aquaculture Society > 42 > 6 > 906 - 913

Laboratory‐reared, specific pathogen‐free fingerling channel catfish, Ictalurus punctatus, and adult zebrafish, Danio rerio, were each separately exposed by immersion challenge to the etiological agent of “columnaris disease,”Flavobacterium columnare (Japanese Collection of Microorganisms 21327 strain). At 24‐h post‐immersion, fish exhibiting a “saddleback” lesion were fixed whole in 10% neutral buffered...

INFONA - science communication portal

Search results for: Stephen A. Bullard

Morphology, phylogenetics and pathology of “red sore disease” (coinfection by Epistylis cf. wuhanensis and Aeromonas hydrophila) on sportfishes from reservoirs in the South‐Eastern United States

An updated geographic distribution of Myxobolus cerebralis (Hofer, 1903) (Bivalvulida: Myxobolidae) and the first diagnosed case of whirling disease in wild‐caught trout in the south‐eastern United States

Prevalence, intensity and pathology of the nasal parasite Nasicola hogansi in Atlantic bluefin tuna (Thunnus thynnus)

A new species of Myxobolus (Myxozoa: Bivalvulida) infecting the medulla oblongata and nerve cord of brook trout Salvelinus fontinalis in southern Appalachia (New River, NC, USA)

Gymnurahemecus bulbosus gen. et sp. nov. (Digenea: Aporocotylidae) infecting smooth butterfly rays, Gymnura micrura (Myliobatiformes: Gymnuridae) in the northern Gulf of Mexico, with a taxonomic key and further evidence for monophyly of chondrichthyan blood flukes

Spirorchis spp. (Digenea: Schistosomatoidea) infecting map turtles (Cryptodira: Emydidae: Graptemys spp.) in southeastern North America: A new species, molecular phylogenies, and key to species

A new genus and species of turtle blood fluke (Digenea: Schistosomatoidea) from the Mekong snail-eating turtle, Malayemys subtrijuga (Schlegel & Müller) (Testudines: Geoemydidae) in Vietnam, with a reassessment of related Asiatic turtle blood flukes and molecular phylogeny

Emendation and new species of Hapalorhynchus Stunkard, 1922 (Digenea: Schistosomatoidea) from musk turtles (Kinosternidae: Sternotherus) in Alabama and Florida rivers

Acipensericola glacialis n. sp. (Digenea: Aporocotylidae) from heart of lake sturgeon Acipenser fulvescens Rafinesque (Acipenseriformes: Acipenseridae) in the Great Lakes Basin, Lake Winnebago System, USA

Empruthotrema longipenis n. sp. (Monogenoidea: Monocotylidae: Merizocotylinae) from the olfactory sacs of the smooth butterfly ray Gymnura micrura (Bloch & Schneider) (Myliobatiformes: Gymnuridae) in the Gulf of Mexico

Two new species of Elopicola (Digenea: Aporocotylidae) from Hawaiian ladyfish, Elops hawaiensis (Eastern Sea) and Atlantic tarpon, Megalops atlanticus (Gulf of Mexico) with a comment on monophyly of elopomorph blood flukes

Endocarditis associated with blood fluke infections (Digenea: Aporocotylidae: Psettarium cf. anthicum) among aquacultured cobia (Rachycentron canadum) from Nha Trang Bay, Vietnam

New species of Proterometra (Digenea: Azygiidae) and its life cycle in the Chickasawhay River, Mississippi, USA, with supplemental observations of Proterometra autraini

Skin lesions on yellowfin tuna Thunnus albacares from Gulf of Mexico outer continental shelf: Morphological, molecular, and histological diagnosis of infection by a capsalid monogenoid

Proterometra epholkos sp. n. (Digenea: Azygiidae) from Terrapin Creek, Alabama, USA: Molecular characterization of life cycle, redescription of Proterometra albacauda, and updated lists of host and geographic locality records for Proterometra spp. in North America

Community Structure of Skin Microbiome of Gulf Killifish, Fundulus grandis, Is Driven by Seasonality and Not Exposure to Oiled Sediments in a Louisiana Salt Marsh

Diversity of the skin microbiota of fishes: evidence for host species specificity

Osteological and histopathological details of unilateral microphthalmia and anophthalmia in juvenile common carp (Cyprinus carpio)

Efficacy of Bath Treatments of Formalin and Copper Sulfate on Cultured White Bass, Morone chrysops, Concurrently Infected by Onchocleidus mimus and Ichthyophthirius multifiliis

Scanning Electron Microscopy of “Saddleback” Lesions Associated with Experimental Infections of Flavobacterium columnare in Channel Catfish, Ictalurus punctatus (Siluriformes: Ictaluridae), and Zebrafish, Danio rerio (Cypriniformes: Cyprinidae)

Filter options

Publication date

Keywords

Data set

Journal

INFONA - science communication portal

Search results for: Stephen A. Bullard

Add recipient

Sending message cancelled

Are you sure you want to cancel sending this message?

Send message

Filter options

Publication date

Date range setting

Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.

Keywords

Data set

Journal

Reporting an error / abuse

Sending the report failed

Accessibility options