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Articles 1771 - 1800 of 2196
Full-Text Articles in Immunology and Infectious Disease
Review Of The Grizzlies Of Mount Mckinley By Adolph Muire, Robert L. Rausch
Review Of The Grizzlies Of Mount Mckinley By Adolph Muire, Robert L. Rausch
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Review of The Grizzlies of Mount McKinley by Adolph Murie. U.S. Department of the Interior, National Park Service, Scientific Monograph Series No. 14. U.S. Government Printing Office, Washington, D.C., 1981. xvi, 251 p., ill.
Coccidia From Kangaroo Rats (Dipodomys Spp.) In The Western United States, Baja California, And Northern Mexico With Descriptions Of Eimeria Merriami Sp. N. And Isospora Sp., Carla A. Stout, Donald W. Duszynski
Coccidia From Kangaroo Rats (Dipodomys Spp.) In The Western United States, Baja California, And Northern Mexico With Descriptions Of Eimeria Merriami Sp. N. And Isospora Sp., Carla A. Stout, Donald W. Duszynski
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Since January 1975, 104 of 361 (29%) kangaroo rats (Dipodomys spp.) examined for coccidia had oocysts in their feces. These included 32 of 71 (45%) D. agilis from California (3 of 8, 38%) and Baja California Norte (29 of 63, 46%); none of 18 D. deserti from Sonora, Mexico; one of one D. gravipes from Baja Norte; 43 of 124 (35%) D. merriami from California (1 of 4, 25%), New Mexico (16 of 49, 33%), Baja Norte (12 of 23, 52%), Baja Sur (6 of 20, 30%), and Sonora, Mexico (8 of 28, 29%); 17 of 103 (17%) D. …
Centrorhynchus Kuntzi From The Usa With Description Of The Male And Redescription Of C. Spinosus (Acanthocephala: Centrorhynchidae), Brent B. Nickol
Centrorhynchus Kuntzi From The Usa With Description Of The Male And Redescription Of C. Spinosus (Acanthocephala: Centrorhynchidae), Brent B. Nickol
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Centrorhynchus kuntzi Schmidt and Neiland, 1966, reported here for the first time from the USA, occurred in Bubo virginianus in Florida and Buteo jamaicensis, Buteo lineatus, and Buteo platypterus in Louisiana. Centrorhynchus kuntzi males, previously undescribed, were 10 to 29 mm long with a large swelling near the anterior end of the trunk. The proboscis, averaging 1.14 mm in length and with a marked swelling near the middle at the level of proboscis receptacle insertion, was armed with 26 to 31 (usually 29) longitudinal rows of 22 to 26 (usually 24) hooks each. The first seven to nine …
Heligmosomoides Thomomyos Sp. N. (Nematoda: Heligmosomidae) From Pocket Gophers, Thomomys Spp. (Rodentia: Geomyidae), In Oregon And California, Scott L. Gardner, Douglas Jasmer
Heligmosomoides Thomomyos Sp. N. (Nematoda: Heligmosomidae) From Pocket Gophers, Thomomys Spp. (Rodentia: Geomyidae), In Oregon And California, Scott L. Gardner, Douglas Jasmer
Scott L. Gardner Publications
The nematode Heligmosomoides thomomyos sp. n. is described from the small intestine of Thomomys bulbivorus and T. bottae. This is the first report of Heligmosomoides from rodents of the family Geomyidae.
Nematodes of the genus Heligmosomoides Hall, 1916 occur most commonly in arvicolid rodents. Of the 26 known species of the genus, 11 have been recorded from Nearctic rodents (Rausch and Rausch, 1973). In North America, Heligmosomoides spp. have been recorded not only from voles, but also from cricetids and murids. Heligmosomoides spp. characteristically inhabit the small intestine or cecum of their host, where they usually are found …
Gastrointestinal Helminths Of The Cougar, Felis Concolor L., In Northeastern Oregon, Robert L. Rausch, C. Maser, Eric P. Hoberg
Gastrointestinal Helminths Of The Cougar, Felis Concolor L., In Northeastern Oregon, Robert L. Rausch, C. Maser, Eric P. Hoberg
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Helminths of nine species were identified from 39 cougars obtained in northeastern Oregon (Walbowa, Baker, and Union counties), viz., Taenia omissa Lühe, 1910 (100%); T. ovis krabbei Moniez, 1879 (61%); T. hydatigena Pallas, 1776 (10%); Mesocestoides lineatus (Goeze, 1782) (5%); Toxascaris leonina (von Linstow, 1902) (69%); Toxocara cati (Schrank, 1788) (15%); Physaloptera praeputialis von Linstow, 1889 (13%); Pterygodermatites affinis (Jagerskiold, 1904) (ca. 2%); and Trichinella sp. (larvae) (ca. 2%). In addition, undeveloped cestodes of the genus Taenia in 26 animals had lost rostellar hooks and could not be identified. Host-records, prevalence, and biological characteristics of some of the helminths are …
United States Naval Medical Research Unit Number Three, Cairo, Egypt, Medical Zoology Department Translation List, Harry Hoogstraal
United States Naval Medical Research Unit Number Three, Cairo, Egypt, Medical Zoology Department Translation List, Harry Hoogstraal
United States Naval Medical Research Unit 3: Publications
List of translations of medical parasitology and medical entomology papers prepared by the United States Naval Medical Research Unit Number 3 in Cairo, Egypt. The papers were translated from numerous languages, such as Russian (most were translated from Russian), Bulgarian, Chinese, Czech, Finnish, French, German, and Japanese, into English. The publication dates of the original papers ranged from about 1915 to 1983. Harry Hoogstraal translated some or all of the papers.
Cuticular Ridge Patterns Of Nematodirus (Nematoda: Trichostrongyloidea) Parasitic In Domestic Ruminants Of North America, With A Key To Species, J. R. Lichtenfels, P. A. Pilitt
Cuticular Ridge Patterns Of Nematodirus (Nematoda: Trichostrongyloidea) Parasitic In Domestic Ruminants Of North America, With A Key To Species, J. R. Lichtenfels, P. A. Pilitt
Harold W. Manter Laboratory of Parasitology: Faculty Publications
The six species of Nematodirus parasitic in domestic ruminants of North America have been identified previously on the basis of characteristics of the bursa and tips of the spicules, and females could not be identified. In an effort to find additional diagnostic characteristics of both sexes, cuticular ridges were studied with light and scanning electron microscopy and in whole mounts and cross sections. After the cuticular ridges of males were characterized, females were matched with males by means of cuticular ridges, except for the rare species N. davtiani. Five of the six species have variations of an 18-ridge bilaterally …
A New Species Of Chronogaster Cobb, 1913 (Nemata : Plectidae) With An Amended Diagnosis Of The Genus And Discussion Of Cuticular Ornamentation, Armand R. Maggenti, Dewey J. Raski, Puthenkandathil K. Koshy, Varghese K. Sosamma
A New Species Of Chronogaster Cobb, 1913 (Nemata : Plectidae) With An Amended Diagnosis Of The Genus And Discussion Of Cuticular Ornamentation, Armand R. Maggenti, Dewey J. Raski, Puthenkandathil K. Koshy, Varghese K. Sosamma
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Chronoguster spinicorpus n. sp. is described from soil about the roots of coconut palm in Kerala, India. It is distinguished from all other species of Chronogaster by its longitudinal rows of spines. The stability of the genus Chronogaster is discussed with stress on internal anatomy and distribution of cephalic sensillae as generic characteristics. Most external ornamentation is judged to be diagnostic for species only.
Description d’une nouvelle espèce de Chronogaster Cobb, 1913 (Nemata : Plectidae), diagnose énzendée du genre et considérations sur l’ornementation cuticulaire
Description est donnée de Chronogaster spinicorpus n. sp., venant de sol de rhizosphère de cocotier, au …
An Unusually Small Egg-Carrying Callinectes Sapidus In The Northern Gulf Of Mexico, Robin M. Overstreet, Harriett M. Perry, Gerald Adkins
An Unusually Small Egg-Carrying Callinectes Sapidus In The Northern Gulf Of Mexico, Robin M. Overstreet, Harriett M. Perry, Gerald Adkins
Harold W. Manter Laboratory of Parasitology: Faculty Publications
This communication reports the smallest verified egg-carrying specimen of Callinectes sapidus. With a carapace 20 mm long by 47 mm wide, the female measures considerably less than most other mature individuals, but about the same as an average-sized individual infected with an adult specimen of the rhizocephalan Loxothylacus texanus.
Taxonomy And Life Histories Of Two North American Species Of "Carneophallus" (=Microphallus) (Digenea: Microphallidae), Richard W. Heard, Robin M. Overstreet
Taxonomy And Life Histories Of Two North American Species Of "Carneophallus" (=Microphallus) (Digenea: Microphallidae), Richard W. Heard, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Discusses the taxonomy and life histories of two North American species of Carneophallus" (=Microphallus) (Digenea: Microphallidae).
Occurrence And Pathogenicity Of Heligmosomoides Spp. (Nematoda: Heligmosomidae) Associated With Cecal Villi In Arvicolid Rodents, Robert L. Rausch, M. L. Johnson
Occurrence And Pathogenicity Of Heligmosomoides Spp. (Nematoda: Heligmosomidae) Associated With Cecal Villi In Arvicolid Rodents, Robert L. Rausch, M. L. Johnson
Harold W. Manter Laboratory of Parasitology: Faculty Publications
The host response to the nematodes Heligmosomoides hudsoni (Cameron, 1937) and H. johnsoni Rausch and Rausch, 1973 (Heligmosomidae) was investigated in their natural hosts, varying lemmings, Dicrostonyx spp., and heather voles, Phenucomys intermedius Merriam (Rodentia: Arvicolidae), respectively. The nematodes occupy the cecum of the host, where they coil tightly around the long cecal villi. In individual animaIs, the comparatively few villi occupied became much enlarged, exhibiting severe hyperplasia of the mucosa and other microscopic changes, as described. The mechanism of pathogenesis involved three factors: strangulation of the villi, pressure atrophy, and chronic irritation by the crests of the synlophe. In …
Haliotrema (Monogenea: Ancyrocephalinae) From Ostraciid Fishes In Guadeloupe, West Indies, Jean Claude Vala, Claude Maillard, Robin M. Overstreet
Haliotrema (Monogenea: Ancyrocephalinae) From Ostraciid Fishes In Guadeloupe, West Indies, Jean Claude Vala, Claude Maillard, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Six sympatric species of Haliotrema Johnston and Tiegs, 1922 are described from ostraciid fishes in Guadeloupe, West Indies. All have a basic cone-shaped cirrus, but characteristics of that and other terminal genitalia plus those of anchors can differentiate them: H. guadeloupensis sp. n. from Lactophrys triqueter (typehost) and L. bicaudalis; H. torridum sp. n. from L. triqueter (type-host) and Acanthostracion polygonius; H. glandulosum sp. n. from L. triqueter (type-host) and L. bicaudalis; H. minutum sp. n. from A. polygonius; H. lactophrys (MacCallum, 1915) comb. n. from A. polygonius and A. quadricornis which is transferred from the genus Ancyrocephalus Creplin, 1839; …
Eimeria From Jumping Mice (Zapus Spp.): A New Species And Genetic And Geographic Features Of Z. Hudsonius Luteus, Donald W. Duszynski, Gary Eastham, Terry L. Yates
Eimeria From Jumping Mice (Zapus Spp.): A New Species And Genetic And Geographic Features Of Z. Hudsonius Luteus, Donald W. Duszynski, Gary Eastham, Terry L. Yates
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Of 103 jumping mice (Zapus spp.) examined, 29 (28.2%) had coccidian oocysts in their feces: one of seven (14%) Z. trinotatus eureka from Humboldt Co., California; 25 of 60 (42%) Z. princeps princeps, including seven of 18 (39%) from Boulder Co., Colorado, and 18 of 42 (43%) from Santa Fe and Taos Cos., New Mexico; and three of 36 (8%) Z. h. luteus, including one of one from Sandoval Co., New Mexico, two of 13 (15%) from Apache Co., Arizona, and none of 22 from Otero and Soccoro Cos., New Mexico. Twenty-eight of 29 infected mice had …
Intestinal Absorption Of Β-Methyl-D-Glucoside In Rats Infected With Eimeria Nieschulzi, Donald W. Duszynski, K. Ramaswamy, Gilbert A. Castro
Intestinal Absorption Of Β-Methyl-D-Glucoside In Rats Infected With Eimeria Nieschulzi, Donald W. Duszynski, K. Ramaswamy, Gilbert A. Castro
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Covers the intestinal absorption of β-methyl-D-glucoside in rats infected with Eimeria nieschulzi.
Review Of Phylogenetics: The Theory And Practice Of Phylogenetic Systematics, By E. O. Wiley (Wiley-Interscience, 1981; 439 P.), Daniel R. Brooks
Review Of Phylogenetics: The Theory And Practice Of Phylogenetic Systematics, By E. O. Wiley (Wiley-Interscience, 1981; 439 P.), Daniel R. Brooks
Harold W. Manter Laboratory of Parasitology: Faculty Publications
A book review by Daniel R. Brooks of Phylogenetics: The Theory and Practice of Phylogenetic Systematics, by E. O. Wiley (Wiley-Interscience, 1981; 439 p.).
Leeches (Annelida: Hirudinea) Of North America, Donald J. Klemm
Leeches (Annelida: Hirudinea) Of North America, Donald J. Klemm
Harold W. Manter Laboratory of Parasitology: Library Materials
The previous manual, "Freshwater Leeches (Annelida: Hirudinea) of North America," Identification Manual No. 8, Biota of Freshwater Ecosystems, published in 1972, was prepared under contract with the Oceanography and Limnology Program, Smithsonian Institution, with funds provided by the United States Environmental Protection Agency.
In the ten years that have elapsed since publication of the above manual, additional work has been done in North America on the ecology and systematics of the leeches. This publication serves to correct several errors found in the above manual, to make several desirable taxonomic changes, to add new sections and various relevant information to the …
Helminths Of Bushy-Tailed Wood Rats, Neotoma Cinerea Subspp. From Colorado, Idaho, And Wyoming, Gene E. Miller, Gerald D. Schmidt
Helminths Of Bushy-Tailed Wood Rats, Neotoma Cinerea Subspp. From Colorado, Idaho, And Wyoming, Gene E. Miller, Gerald D. Schmidt
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Forty-four Neotoma cinerea rupicola, one N. c. orolestes, and three N. cinerea subspp. were examined for endoparasites. Aspiculuris ackerti Kruidenier and Mehra, 1959, is redescribed and a key to the species of the genus Aspiculuris Schultz, 1924, is provided. Nematodirus neotoma Hall, 1916, is redecscribed and N. tortuosus Tucker, 1942, is placed in synonymy with it. Cysticercoids of Paruterina vandelabraria (Goeze, 1782) Fuhrmann, 1906, and immature Monoecocestus sp. constitute new host records.
The Multi-Individual Cremation Phenomenon Of The Santa Cruz Drainage, Karl J. Reinhard, T Michael Fink
The Multi-Individual Cremation Phenomenon Of The Santa Cruz Drainage, Karl J. Reinhard, T Michael Fink
Karl Reinhard Publications
Multi-individual cremation deposits found in the upper Santa Cruz River drainage were previously interpreted as the result of hypothesized cultural contact in the area. A review of 50 cremation deposits for which detailed analyses are available indicates that mulii-individual cremation deposits are the result of incomplete gleaning practices and have doubtful cultural significance. Hypotheses are generated from the present data which account for the apparent variation in cremation practices within the study area.
Pinworms And Primates: A Case Study In Coevolution, Daniel R. Brooks, David R. Glen
Pinworms And Primates: A Case Study In Coevolution, Daniel R. Brooks, David R. Glen
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Cladistic analysis of 13 species of Enterobius based on 31 morphological characters supports the notion that pinworms and primates have co-speciated. A possible exception is the relationship between Enterobius vermicularis and Homo. Enterobius vermicularis is postulated to be the sister-species of E. buckleyi + E. lerouxi + E. anthropopitheci. Thus, if co-speciation has occurred, Homo is the sister-group of Pongo + Gorilla + Pan. Examination of the possibility that E. vermicularis in Homo is the result of host-switching or that Homo has been misclassified demonstrates that the latter possibility is the more parsimonious one.
Hysterothylacium Pelagicum Sp. N. And H. Cornutum (Stossich, 1904) (Nematoda: Anisakidae) From Marine Fishes, Thomas L. Deardorff, Robin M. Overstreet
Hysterothylacium Pelagicum Sp. N. And H. Cornutum (Stossich, 1904) (Nematoda: Anisakidae) From Marine Fishes, Thomas L. Deardorff, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Hysterothylacium pelagicum sp. n. from the digestive tract of the dolphin, Coryphaena hippurus, is described from the Atlantic and Pacific oceans. It is most similar to H. cornutum, but differs from it by lacking ventral crests on the males and having the vulva located within the anterior 30-40% rather than 18-25% of the female body. Specimens of H. cornutum are reported from Thunnus albacares, a previously unrecorded host, off Hawaii.
A Simulations Approach To Discerning Possible Sister-Groups Of Dioecotaenia Schmidt, 1969 (Cestoda: Tetraphyllidea: Dioecotaeniidae), Daniel R. Brooks
A Simulations Approach To Discerning Possible Sister-Groups Of Dioecotaenia Schmidt, 1969 (Cestoda: Tetraphyllidea: Dioecotaeniidae), Daniel R. Brooks
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Apparent common architectural constraints in the structure of the bothridia of both species of Dioecotaenia permit testing of a number of models for the evolution of the scolex of Dioecotaenia from that found in other tetraphyllidean cestodes. Although presently known species of Dioecotaenia exhibit bothridialloculi in the shape of hexagons, derivation of those bothridia from an ancestor possessing a single central hexagonal bothridium with marginal loculi would not produce total bothridialloculi numbers consistent with those known. A more feasible derivation involves an ancestral form exhibiting three linear loculi. If the loculi are arranged vertically, as in species of Rhinebothrium, …
Food Content Of Six Commercial Fishes From Mississippi Sound, Robin M. Overstreet, Richard W. Heard
Food Content Of Six Commercial Fishes From Mississippi Sound, Robin M. Overstreet, Richard W. Heard
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Specific dietary contents from six fishes collected in Mississippi Sound are recorded. In order of their importance, primary components grouped in major taxonomic categories were fishes, penaeid shrimps, and other crustaceans for Cynoscion nebulosus; Crustaceans and fishes for C. arenarius; fishes and crustaceans for C. nothus; crustaceans, pelecypods, and polychaetes for Pogonias cromis; crustaceans, molluscs, polychaetes, and fishes for Archosargus probatocephalus; and fishes and penaeid shrimps for Paralichthys lethostigma. Principal items in the diets of most of the fishes included Anchoa mitchilli, Penaeus aztecus, P. setiferus, and Callinectes sapidus. Those crustaceans show …
Electrophoretic And Immunological Studies On The Relationship Of The Brachyphyllinae And The Glossophaginae, Robert J. Baker, Rodney L. Honeycutt, Michael L. Arnold, Vincent M. Sarich, Hugh H. Genoways
Electrophoretic And Immunological Studies On The Relationship Of The Brachyphyllinae And The Glossophaginae, Robert J. Baker, Rodney L. Honeycutt, Michael L. Arnold, Vincent M. Sarich, Hugh H. Genoways
University of Nebraska State Museum: Mammalogy Papers
Electrophoretic and albumin immunological data indicate that the Brachyphyllinae as currently conceived is a natural assemblage, with Erophylla sezekorni and Phyllonycteris aphylla being more closely related to each other than either is to Brachyphylla cavernarum. In both data sets, values that distinguish Erophylla from Phyllonycteris are in the general range of values that characterize congeneric species of mammals. Immunological distance values for the species Glossophaga soricina, Monophyllus redmani, Anoura caudifer, Leptonycteris sanborni, Choeroniscus minor, and Hylonycteris underuoodi indicate that these taxa are approximately equidistant from the Brachyphyllinae. Immunological comparisons of Glossophaga and Monophyllus to Anoura, Leptonycteris, Choeroniscus, …
Key To Trematodes Reported In Waterfowl, Malcolm Edwin Mcdonald
Key To Trematodes Reported In Waterfowl, Malcolm Edwin Mcdonald
Harold W. Manter Laboratory of Parasitology: Library Materials
This key is the second in a series for identification of the helminths reported in waterfowl (Family Anatidae, Order Anseriformes). The first was a key to nematodes (McDonald 1974).
The trematodes show the greatest variety of forms among the helminth parasites of waterfowl, including over half of all species reported; sometimes this group also includes the greatest part of the worms in a single bird. Over 500 species of trematodes have been reported in waterfowl. Almost all of these have been included in the present set of keys; it was not possible, however, to obtain the descriptions of a few …
Inhibition Of In Vitro Macrophage Digestion Capacity By Infection With Leishmania Donovani (Protozoa: Kinetoplastida), Gerald F. Kutish, John J. Janovy Jr.
Inhibition Of In Vitro Macrophage Digestion Capacity By Infection With Leishmania Donovani (Protozoa: Kinetoplastida), Gerald F. Kutish, John J. Janovy Jr.
John J. Janovy, Jr. Publications
Promastigotes of Leishmania donovani transformed into amastigotes and survived in cultured macrophages. Promastigotes of Leptomonas costoris, a kinetoplastid parasite of water striders, transformed into amastigotes but did not survive in cultured macrophages. A significant difference in size between the two species of parasitic protozoa allowed development of a bioassay in which the in vitro digestion rate of L. costoris was taken as a measure of macrophage digestive capacity following preinfection with L. donovani. In a 12- to 24-hr period, macrophage cultures infected with the 2S strain of L. donovani retained 50% more L. costoris than did control macrophages …
Terranova Ceticola N. Sp. (Nematoda: Anisakidae) From The Dwarf Sperm Whale, Kogia Simus (Owen), In The Gulf Of Mexico, Thomas L. Deardorff, Robin M. Overstreet
Terranova Ceticola N. Sp. (Nematoda: Anisakidae) From The Dwarf Sperm Whale, Kogia Simus (Owen), In The Gulf Of Mexico, Thomas L. Deardorff, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Terranova ceticola n. sp. is described from specimens in the stomachs of an individual dwarf sperm whale, Kogia simus, which stranded on the beach at Biloxi, Mississippi. It is characterized by possessing a single pair of medial preanal papillae, 38 to 40 pairs of lateral preanal papillae, five pairs of postanal papillae. and spicules 1 to 2% of the body length and by lacking cuticular plates at the posterior anal lip of males.
The Coccidia Of Quail In The United States, Donald W. Duszynski, Ralph J. Guttiérrez
The Coccidia Of Quail In The United States, Donald W. Duszynski, Ralph J. Guttiérrez
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Intestinal contents from 12 scaled quail (Callipepla squamata), 10 bobwhite quail (Colinus virginianus), 20 harlequin quail (Cyrtonyx montezumae), 35 California quail (Lophortyx californicus), 15 Gambel's quail (Lophortyx gambelii), and 29 mountain quail (Oreortyx pictus) were examined for coccidian oocysts. Only 18 (14.9%) of 121 birds had coccidian oocysts in their feces at the time of collection; these included 9 L. californicus and 9 O. pictus. Four eimerians and an isosporan were found in the 18 infected birds. Eimeria lophortygis and E. okanaganensis had been previously described from …
A New Species Of Echinocephalus (Nematoda: Gnathostomidae) From Neotropical Stingrays With Comments On E. Diazi, Thomas L. Deardorff, Daniel R. Brooks, Thomas B. Thorson
A New Species Of Echinocephalus (Nematoda: Gnathostomidae) From Neotropical Stingrays With Comments On E. Diazi, Thomas L. Deardorff, Daniel R. Brooks, Thomas B. Thorson
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Echinocephalus daileyi sp. n. is described from the freshwater stingrays Potamotrygon circularis and P. hystrix in South America. It is most similar to E. diazi by virtue of possessing a gubernaculum and six postanal papillae, but may be distinguished from E. diazi and other members of the genus by possessing 30 to 34 rows of spines on the cephalic bulb, three preanal papillae, and a body 55 to 85 mm long. Specimens of E. diazi were collected from Himantura schmardae, the type host, from Cienaga Grande, Colombia, a new locality record. Based on numerical phylogenetic analysis, E. daileyi is …
Raphidascaris Camura Sp. N., Hysterothylacium Eurycheilum (Olsen) Comb. N. And Comments On Heterotyphlum Spaul (Nematoda: Ascaroidea) In Marine Fishes, Thomas L. Deardorff, Robin M. Overstreet
Raphidascaris Camura Sp. N., Hysterothylacium Eurycheilum (Olsen) Comb. N. And Comments On Heterotyphlum Spaul (Nematoda: Ascaroidea) In Marine Fishes, Thomas L. Deardorff, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Raphidascaris camura sp. n. infected the stomach and intestine of Pomatomus saltatrix (type host), from the northern Gulf of Mexico. It is characterized by having the following combination of features: 31 to 40 pairs of preanal papillae, 10 pairs of postanal papillae with the third papilla from the posterior extremity doubled, nearly equal spicules 1.8 to 2.7% of the body length, and lateral alae abruptly curved near their anterior extremity. Additional species of Raphidascaris were examined and are discussed. Hysterothylacium eurycheilum (Olsen, 1952) comb. n. (=Heterotyphlum e.) from Epinephelus itajara in Florida and the Lesser Antilles, previously known …
Hemmorrhagic Lesions In Stomach Of Rhesus Monkey Caused By Piscine Ascaridoid Nematode, Robin M. Overstreet, George W. Meyer
Hemmorrhagic Lesions In Stomach Of Rhesus Monkey Caused By Piscine Ascaridoid Nematode, Robin M. Overstreet, George W. Meyer
Harold W. Manter Laboratory of Parasitology: Faculty Publications
Within a few hours after being administered to the rhesus monkey (Macaca mulatta), Hysterothylacium type MB larvae penetrated the stomach wall, causing hemorrhage and attracting eosinophils. Inocula of up to 300 larvae, however, did not cause peripheral hypereosinophilia. This species is the first ascaridoid which normally matures in fish that has been shown to penetrate the alimentary tract of a primate. Consequently, human consumption of raw seafood from at least the northern Gulf of Mexico free from infections with Anisakis spp., Phocanema decipiens, or other species that mature in mammals or birds does not necessarily assure freedom …