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Articles 91 - 120 of 275
Full-Text Articles in Animal Sciences
Zutrition: Analyzing And Evaluating Diets Fed To Captive Mammals At Capron Park Zoo, Briell M. Dzierga
Zutrition: Analyzing And Evaluating Diets Fed To Captive Mammals At Capron Park Zoo, Briell M. Dzierga
Senior Honors Projects
Zoos provide both experiential and educational opportunities for the general public to learn about animals found in a variety of habitats around the world. A successful zoo must provide a safe and enjoyable environment for the visitors, in addition to the species living within the enclosures. Animal husbandry and welfare are crucial aspects to which close attention must be paid, and zoos have a responsibility to attempt to approximate the captive species’ natural habitats and life histories. An essential part of maintaining a captive zoo animal’s health and wellbeing is providing the animal with an appropriate diet. In addition to …
The Cova Des Pas De Vallgornera (Llucmajor, Mallorca): A Singular Deposit Bearing An Exceptional Well Preserved Early Pleistocene Vertebrate Fauna, Pere Bover, Alex Valenzuela, Carmen Guerra, Juan Rofes, Josep A. Alcover, Joaquin Gines, Joan J. Fornos, Gloria Cuenca-Bescós, Antoni Merino
The Cova Des Pas De Vallgornera (Llucmajor, Mallorca): A Singular Deposit Bearing An Exceptional Well Preserved Early Pleistocene Vertebrate Fauna, Pere Bover, Alex Valenzuela, Carmen Guerra, Juan Rofes, Josep A. Alcover, Joaquin Gines, Joan J. Fornos, Gloria Cuenca-Bescós, Antoni Merino
International Journal of Speleology
The Cova des Pas de Vallgornera is the longest cave of Mallorca (Balearic Islands, Western Mediterranean) and one of the 30 longest caves in the world. The exploration of one of the galleries allowed the discovery of a fossiliferous deposit of vertebrate remains in a remarkable preservation state. The fossil faunal complex found in this gallery is composed of up to 5 mammalian species (Myotragus aff. kopperi, Hypnomys onicensis, Nesiotites aff. ponsi, Rhinolophus aff. mehelyi and Pipistrellus sp.), at least 14 bird species (among them two Mallorcan endemic taxa: Pica mourerae and Athene vallgornerensis), one …
Effects Of Petroleum Distillates On Amphibian Development, Kate Walker
Effects Of Petroleum Distillates On Amphibian Development, Kate Walker
Graduate Theses and Dissertations
Petroleum distillates are widely used as an energy source and the extraction and disposal of these chemicals are done with little consideration of their effects on aquatic environments. Amphibians are considered excellent ecological indicators but little research has examined effects of petroleum distillates on aquatic species. I evaluated the lethal and sublethal effects on larval amphibians with exposure to petroleum distillates associated with various venues of pollution including hydraulic fracturing. I selected three petroleum distillates (kerosene, oil, and unleaded gasoline) that are known to have negative effects on aquatic organisms and are similar to the common constituents of mixtures used …
Revision Of 13 Genera Of Haploporidae (Trematoda), Eric Edward Pulis
Revision Of 13 Genera Of Haploporidae (Trematoda), Eric Edward Pulis
Dissertations
The Haploporidae is a family of digeneans united by the combination of the possession of a hermaphroditic sac and a single testis or, rarely, two tandem testes. The major divisions in the Haploporidae have been based on the organization, development, and nature of the male and female reproductive systems. Overstreet and Curran (2005) has been the only attempt to organize the genera of the Haploporidae in a subfamilial framework. In the present work the validity of the subfamily Waretrematinae by Overstreet and Curran (2005) is assessed by morphological and molecular methods, based on original descriptions, type and vouchered, specimens and …
Level Of Uv-B Radiation Influences The Effects Of Glyphosate-Based Herbicide On Fitness Of The Spotted Salamander, Nicholas A. Levis
Level Of Uv-B Radiation Influences The Effects Of Glyphosate-Based Herbicide On Fitness Of The Spotted Salamander, Nicholas A. Levis
Masters Theses & Specialist Projects
Numerous causes have been implicated in contributing to amphibian population declines since the 1980's, with habitat modification, ultraviolet radiation (UV-B) and environmental contaminants (such as glyphosate-based herbicide) being among the most common. This study identifies the effects of a generic glyphosate-based herbicide (GLY- 4 Plus) on mortality, immune function, body condition, and morphological plasticity of larvae of the spotted salamander (Ambystoma maculatum) under conditions that reflect open and closed canopy light regimes. Larval salamander responses to glyphosate-based herbicide varied depending on UV-B conditions. In general, it appears that an open canopy (i.e. greater UV-B exposure) may confer fitness benefits. In …
Taxonomic And Seasonal Variation Among Extant Hyracoids Based On Dental Microwear Texture Analysis, Ann Marie Walcutt
Taxonomic And Seasonal Variation Among Extant Hyracoids Based On Dental Microwear Texture Analysis, Ann Marie Walcutt
Graduate Theses and Dissertations
A number of works have been published on habitats and diets of living hyraxes but much remains to be learned about the paleoenvironment contexts of the much larger, more dominant but now extinct forms of the order. Here, I analyze the dental microwear of modern hyraxes to assess dietary and ecological relationships among the four extant species of Procaviidae: Heterohyrax brucei, Procavia capensis, Dendrohyrax arboreus, and Dendrohyrax dorsalis. The purpose of this study was to establish an extant baseline series for the interpretation of microwear texture patterns, and inference of diets, of extinct members of the …
Feedforward And Feedback Projections Of Caudal Belt And Parabelt Areas Of Auditory Cortex: Refining The Hierarchical Model, Troy A. Hackett, Lisa A. De La Mothe, Corrie R. Camalier, Arnaud Falchier, Peter Lakatos, Yoshinao Kajikawa, Charles E. Schroeder
Feedforward And Feedback Projections Of Caudal Belt And Parabelt Areas Of Auditory Cortex: Refining The Hierarchical Model, Troy A. Hackett, Lisa A. De La Mothe, Corrie R. Camalier, Arnaud Falchier, Peter Lakatos, Yoshinao Kajikawa, Charles E. Schroeder
Psychology Faculty Research
Our working model of the primate auditory cortex recognizes three major regions (core, belt, parabelt), subdivided into thirteen areas. The connections between areas are topographically ordered in a manner consistent with information flow along two major anatomical axes: core-belt-parabelt and caudal-rostral. Remarkably, most of the connections supporting this model were revealed using retrograde tracing techniques. Little is known about laminar circuitry, as anterograde tracing of axon terminations has rarely been used. The purpose of the present study was to examine the laminar projections of three areas of auditory cortex, pursuant to analysis of all areas. The selected areas were: middle …
Facial Discrimination And Recognition Behavior In Capuchin Monkeys, Kegan Isaack
Facial Discrimination And Recognition Behavior In Capuchin Monkeys, Kegan Isaack
Georgia State Undergraduate Research Conference
No abstract provided.
Great Apes: A Study Of Human And Non-Human Primate Interactions In A Zoological Environment, Haley V. Sheehy
Great Apes: A Study Of Human And Non-Human Primate Interactions In A Zoological Environment, Haley V. Sheehy
Georgia State Undergraduate Research Conference
No abstract provided.
Evaluation Of Forage Soybean Yield And Quality Characteristics And Potential As A Feed Resource For Developing Replacement Beef Heifers, Emily G. Taylor
Evaluation Of Forage Soybean Yield And Quality Characteristics And Potential As A Feed Resource For Developing Replacement Beef Heifers, Emily G. Taylor
Open Access Theses
Two agronomic studies were conducted to evaluate the yield and quality potentials of forage soybean (Glycine max ( L .)) grown with and without pearl millet (Pennisetum glaucum (L .)). Results indicate that there were no differences between row spacings of 18 cm or 36 cm and targeted populations of 469,500 seeds ha-1 or 234,750 seeds ha-1 on dry matter yield or overall quality of the forage soybean. While harvest date had significant effects on quality as the crop matured, forage soybean as a monoculture proved to be a very forgiving crop, and recovered in quality as …
Histopathologic Aspects In Plagioscion Squamosissimus (Heckel, 1940) Induced By Neoechinorhynchus Veropesoi, Metacestodes And Anisakidae Juveniles = Aspectos Histopatólogicos Em Plagioscion Squamosissimus Induzidos Por Neoechinorhynchus Veropesoi, Metacestódeos E Juvenis Da Família Anisakidae, Francisco Tiago De Vasconcelos Melo, Rogério Antonio Ribeiro Rodrigues, Elane Guerreiro Giese, Scott Lyell Gardner, Jeannie Nascimento Dos Santos
Histopathologic Aspects In Plagioscion Squamosissimus (Heckel, 1940) Induced By Neoechinorhynchus Veropesoi, Metacestodes And Anisakidae Juveniles = Aspectos Histopatólogicos Em Plagioscion Squamosissimus Induzidos Por Neoechinorhynchus Veropesoi, Metacestódeos E Juvenis Da Família Anisakidae, Francisco Tiago De Vasconcelos Melo, Rogério Antonio Ribeiro Rodrigues, Elane Guerreiro Giese, Scott Lyell Gardner, Jeannie Nascimento Dos Santos
Scott L. Gardner Publications
Abstract
Plagioscion squamosissimus (Heckel 1840), a fish endemic to the Amazon Basin and commonly known as the “silver croaker”, plays an important role in the ecology and economy of Pará State, Brazil. Knowledge of host-parasite relationships is important to understanding the role of parasites in the control of natural host populations. This work describes histopathological aspects caused by several common intestinal parasites found during a helminthological survey of fish in northern Brazil. We observed a high prevalence of helminth infection, especially by J3 nematode juveniles of the family Anisakidae and metacestodes of the family Protocephalidae (both with 100% prevalence). An …
Multilocus Coalescent Analyses Reveal The Demographic History Of Mouse Lemur Sister Species., Christopher Blair, Kellie L. Heckman, Amy L. Russell, Anne D. Yoder
Multilocus Coalescent Analyses Reveal The Demographic History Of Mouse Lemur Sister Species., Christopher Blair, Kellie L. Heckman, Amy L. Russell, Anne D. Yoder
Publications and Research
Debate continues as to whether allopatric speciation or peripatric speciation through a founder effect is the predominant force driving evolution in vertebrates. The mouse lemurs of Madagascar are a system in which evolution has generated a large number of species over a relatively recent time frame. Here, we examine speciation patterns in a pair of sister species of mouse lemur, Microcebus murinus and M. griseorufus. These two species have ranges that are disparately proportioned in size, with M. murinus showing a much more extensive range that marginally overlaps that of M. griseorufus. Given that these two species are …
Hymenolepis Robertrauschi N. Sp. From Grasshopper Mice Onychomys Spp. In New Mexico And Nebraska, U.S.A., Scott Lyell Gardner, Brent A. Luedders, Donald W. Duszynski
Hymenolepis Robertrauschi N. Sp. From Grasshopper Mice Onychomys Spp. In New Mexico And Nebraska, U.S.A., Scott Lyell Gardner, Brent A. Luedders, Donald W. Duszynski
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
From 1989 through 1998, a total of 358 grasshopper mice were collected and examined for helminth and protistan parasites from several habitat types on the Sevilleta Long Term Ecological Research (LTER) site in New Mexico, U.S.A. Of these, 205 individuals were identified as Onychomys leucogaster (Wied-Neuwied 1841) and 153 individuals were classified as O. arenicola Mearns 1896. Many individuals of Onychomys were infected with a new species of Hymenolepididae (Hymenolepis robertrauschi), which is herein described, illustrated, and compared with all species of Nearctic Hymenolepis s. str. Hymenolepis robertrauschi was found in 26% of the individuals of O. arenicola …
Evolutionary Relationships Of The Critically Endangered Frog Ericabatrachus Baleensis Largen, 1991 With Notes On Incorporating Previously Unsampled Taxa Into Large-Scale Phylogenetic Analyses, Karen Siu-Ting, David J. Gower, Davide Pisani, Roman Kassahun, Fikirte Gebresenbet, Michele Menegon, Abebe A. Mengistu, Samy A. Saber, Rafael O. De Sá, Mark Wilkinson, Simon P. Loader
Evolutionary Relationships Of The Critically Endangered Frog Ericabatrachus Baleensis Largen, 1991 With Notes On Incorporating Previously Unsampled Taxa Into Large-Scale Phylogenetic Analyses, Karen Siu-Ting, David J. Gower, Davide Pisani, Roman Kassahun, Fikirte Gebresenbet, Michele Menegon, Abebe A. Mengistu, Samy A. Saber, Rafael O. De Sá, Mark Wilkinson, Simon P. Loader
Biology Faculty Publications
Background: The phylogenetic relationships of many taxa remain poorly known because of a lack of appropriate data and/or analyses. Despite substantial recent advances, amphibian phylogeny remains poorly resolved in many instances. The phylogenetic relationships of the Ethiopian endemic monotypic genus Ericabatrachus has been addressed thus far only with phenotypic data and remains contentious.
Results: We obtained fresh samples of the now rare and Critically Endangered Ericabatrachus baleensis and generated DNA sequences for two mitochondrial and four nuclear genes. Analyses of these new data using de novo and constrained-tree phylogenetic reconstructions strongly support a close relationship between Ericabatrachus and …
Breeding Season Observations Of Sandhill Cranes On The Niobrara River In Nebraska, Mark Czaplewski, Jim Jenniges, Mark Peyton
Breeding Season Observations Of Sandhill Cranes On The Niobrara River In Nebraska, Mark Czaplewski, Jim Jenniges, Mark Peyton
Nebraska Bird Review
Central Platte Natural Resources District (CPNRD), Nebraska Public Power District (NPPD), and the Central Nebraska Public Power and Irrigation District (Central) have been involved in the monitoring of Interior Least Terns (Sternula antillarum athalassos) and Piping Plovers (Charadrius melodus) along portions on the lower Niobrara River in northeast Nebraska since 2005. On two occasions, we observed a pair of adult Sandhill Cranes (Grus canadensis) during the breeding season.
A pair of adult cranes was observed on June 8, 2011, on the Niobrara River approximately 7.8 km below the U.S. Route 137 bridge in Holt …
Nebraska Ornithologists’ Union Treasurer’S Report, December 31, 2013
Nebraska Ornithologists’ Union Treasurer’S Report, December 31, 2013
Nebraska Bird Review
One-page spreadsheet constituting the Nebraska Ornithologists' Union treasurer's report at year end (December 31) of 2013. The grand total is $58,106.34.
“What Do Birds In Nebraska Eat?” Color Photo Section [March 2014, Pp. 20–26]
“What Do Birds In Nebraska Eat?” Color Photo Section [March 2014, Pp. 20–26]
Nebraska Bird Review
Photographs of American Robins with Eastern red cedar berry and earthworm and Purple Martins with red admiral butterfly and snowberry clearwing moth (p. 20); Lazuli Bunting with millet, Grasshopper Sparrow with grasshopper, Cedar Waxwing with ornamental crab apples, and Herring Gull with unidentified fish (p. 21); Red-tailed Hawk with Eastern fox squirrel, Sharp-shinned Hawk with Eurasian Collared-Dove, Rough-legged Hawk with small mammal, and Cooper’s Hawk with House Finch (p. 22); Swainson’s Thrush with grain, Orchard Oriole with mulberry, Yellow-throated Vireo with unidentified fly, and Turkey Vulture with unidentified snake (p. 23); Pileated Woodpecker feeding juvenile, Downy Woodpecker feeding juvenile, Northern …
Winter Field Report, December 2013 To February 2014, W. Ross Silcock
Winter Field Report, December 2013 To February 2014, W. Ross Silcock
Nebraska Bird Review
This was a low-key winter season in terms of reportable phenomena of any significance, although three species provided food for thought: high numbers of Rough-legged Hawks, the possibility of breeding Northern Saw-whet Owls in the cedar canyons of Lincoln Co, and the possible impending demise of Black-billed Magpie over most of the state. Also noteworthy is the continuing increase in midwinter reports of a wide range of species that previously have accounted for very few such records. Notable in this respect are waterfowl, mimids, non-oriole icterids, and sparrows; a Say's Phoebe in December was the most surprising record in this …
Subscription And Organization Information [March 2014]
Subscription And Organization Information [March 2014]
Nebraska Bird Review
The Nebraska Bird Review is published quarterly by the Nebraska Ornithologists' Union, Inc., as its official journal, and is sent to members not in arrears of dues. Annual subscription rates (on a calendar-year basis only): $25 in the United States and $35 in all other countries, payable in advance. Single copies are $7 each, postpaid, in the United States and $9 elsewhere. Send orders for back issues to Anita Breckbill, NOU Librarian, c/o Music Library, WMB 30, University of Nebraska, Lincoln, NE 68588-0101.
Memberships in the NOU (on a calendar-year basis only): Active Household (one or more people) $25; Sustaining …
Nebraska Bird Review (March 2014) 82(1), Whole Issue
Nebraska Bird Review (March 2014) 82(1), Whole Issue
Nebraska Bird Review
Winter Field Report, December 2013–February 2014 ... 2
Breeding Season Observations of Sandhill Cranes on the Niobrara River … 16
2013 Christmas Bird Counts in Nebraska ... 27
NOU Annual Treasurer’s Report for 2013 ... 42
Subscription and Organization Information ... 43
2013 Christmas Bird Counts, Don Paseka
2013 Christmas Bird Counts, Don Paseka
Nebraska Bird Review
Fifteen counts were held during the 2013–2014 season. Following a cold snap in early December, the weather was seasonable and mostly dry, but with very limited open water in most circles. An example of the consequences of this can be seen in the Branched Oak–Seward count tally. Although this count has a history of being very productive for water-related birds in most years, only 3 species were found this year: Canada Goose (16), Mallard (2) and Belted Kingfisher (1). The total species count in all the counts was 135, four less than the past two years and historically ranking sixth …
A Survey Of The Ratio Of Melanistic To Gray Squirrels (Sciurus Carolinensis) On Five Midwestern College Campuses, Molly Koleczek
A Survey Of The Ratio Of Melanistic To Gray Squirrels (Sciurus Carolinensis) On Five Midwestern College Campuses, Molly Koleczek
Honors Program Projects
This experiment was an observational field study on 5 college campuses across western Indiana and western Illinois. The purpose of this experiment was to find the ratio of melanistic to gray squirrels on each campus and see if the ratio changed geographically. Gray squirrels (Sciurus carolinensis) have melanistic color variants in their populations that have not been documented across their distribution in the United States. Melanistic variants were introduced in the eastern United States and seem to be moving westward. Data was collected for all 4 seasons for Olivet Nazarene University, St. Joseph’s College and Illinois State University. …
Genetic Structure Of Little Brown Bats (Myotis Lucifugus) Corresponds With Spread Of White-Nose Syndrome Among Hibernacula, Cassandra M. Miller-Butterworth, Maarten J. Vonhof, Joel Rosenstern, Greg G. Turner, Amy L. Russell
Genetic Structure Of Little Brown Bats (Myotis Lucifugus) Corresponds With Spread Of White-Nose Syndrome Among Hibernacula, Cassandra M. Miller-Butterworth, Maarten J. Vonhof, Joel Rosenstern, Greg G. Turner, Amy L. Russell
Amy L. Russell
Multilocus Coalescent Analyses Reveal The Demographic History And Speciation Patterns Of Mouse Lemur Sister Species, Christopher Blair, Kellie L. Heckman, Amy L. Russell, Anne D. Yoder
Multilocus Coalescent Analyses Reveal The Demographic History And Speciation Patterns Of Mouse Lemur Sister Species, Christopher Blair, Kellie L. Heckman, Amy L. Russell, Anne D. Yoder
Amy L. Russell
Averting Lemur Extinctions Amid Madagascar's Political Crisis, Christoph Schwitzer, Russell Mittermeier, Steig Johnson, Giuseppe Donati, Mitchell Irwin, Heather Peacock, Jonah Ratsimbazafy, Josia Razafindramanana, Edward E. Louis, Lounes Chikhi, Ian C. Colquhoun, Jennifer Tinsman, Ranier Dolch, Marni Lafleur, Stephen Nash, Erik Patel, Blanchard Randrianambinina, Tove Rasolofoharivelo, Patricia C. Wright
Averting Lemur Extinctions Amid Madagascar's Political Crisis, Christoph Schwitzer, Russell Mittermeier, Steig Johnson, Giuseppe Donati, Mitchell Irwin, Heather Peacock, Jonah Ratsimbazafy, Josia Razafindramanana, Edward E. Louis, Lounes Chikhi, Ian C. Colquhoun, Jennifer Tinsman, Ranier Dolch, Marni Lafleur, Stephen Nash, Erik Patel, Blanchard Randrianambinina, Tove Rasolofoharivelo, Patricia C. Wright
Anthropology Publications
The most threatened mammal group on Earth, Madagascar’s five endemic lemur families (lemurs are found nowhere else), represent more than 20% of the world’s primate species and 30% of family-level diversity. This combination of diversity and uniqueness is unmatched by any other country—remarkable considering that Madagascar is only 1.3 to 2.9% the size of the Neotropics, Africa, or Asia, the other three landmasses where nonhuman primates occur. But lemurs face extinction risks driven by human disturbance of forest habitats. We discuss these challenges and reasons for hope in light of site-specific, local actions proposed in an emergency conservation action plan.
Disease And Predation: Sorting Out Causes Of A Bighorn Sheep (Ovis Canadensis) Decline, Joshua B. Smith, Jonathan A. Jenks, Troy Grovenburg, Robert W. Klaver
Disease And Predation: Sorting Out Causes Of A Bighorn Sheep (Ovis Canadensis) Decline, Joshua B. Smith, Jonathan A. Jenks, Troy Grovenburg, Robert W. Klaver
Natural Resource Management Faculty Publications
Estimating survival and documenting causes and timing of mortality events in neonate bighorn sheep (Ovis canadensis) improves understanding of population ecology and factors influencing recruitment. During 2010–2012, we captured and radiocollared 74 neonates in the Black Hills, South Dakota, of which 95% (70) died before 52 weeks of age. Pneumonia (36%) was the leading cause of mortality followed by predation (30%). We used known fate analysis in Program MARK to estimate weekly survival rates and investigate the influence of intrinsic variables on 52-week survival. Model {S1 wk, 2–8 wks, .8 wks} had the lowest AICc (Akaike’s Information Criterion corrected for …
The First Molecular Phylogeny Of Buthidae (Scorpiones), Victor Fet, Benjamin Gantenbein, Alexander Gromov, Graeme Lowe, Wilson Lourenço
The First Molecular Phylogeny Of Buthidae (Scorpiones), Victor Fet, Benjamin Gantenbein, Alexander Gromov, Graeme Lowe, Wilson Lourenço
Victor Fet
The first partial phylogeny of family Buthidae (17 genera) is presented, based on molecular data (16S rRNA mitochondrial DNA). The strong support for a monophyletic Old World group of 13 genera (mainly Palearctic desert forms) is demonstrated, while representative genera from Madagascar (Grosphus) and Southeast Asia (Lychas) group outside, as well as New World genera Centruroides and Rhopalurus. A very strong support is observed for the first time for three groups of Old World genera: (a) Compsobuthus, Mesobuthus, Liobuthus, Kraepelinia; (b) Hottentotta, Buthacus; (c) Orthochirus, Anomalobuthus. Phylogenetic hypotheses are discussed.
Etudes On Iurids, V. Further Revision Of Iurus Thorell, 1876 (Scorpiones: Iuridae), With A Description Of A New Genus And Two New Species, Michael Soleglad, Victor Fet, František Kovařík, Ersen Yağmur
Etudes On Iurids, V. Further Revision Of Iurus Thorell, 1876 (Scorpiones: Iuridae), With A Description Of A New Genus And Two New Species, Michael Soleglad, Victor Fet, František Kovařík, Ersen Yağmur
Victor Fet
Iurus populations from the Aegean area are studied, including the Greek islands of Crete, Karpathos, Kythira, Rhodes, and Samos. A new genus, Protoiurus gen. nov., and two new species, Protoiurus rhodiensis sp. nov. and P. stathiae sp. nov., are described. The two genera, Iurus and Protoiurus, are diagnosed by their hemispermatophore structure; a cladistic analysis based on this structure is presented. Genus Iurus Thorell, 1876 includes three species: I. dekanum, I. dufoureius, and I. kinzelbachi; genus Protoiurus includes five species: P. asiaticus comb. nov., P. kadleci comb. nov., P. kraepelini comb. nov., P. rhodiensis sp. nov., and P. stathiae sp. …
Evolution Of Scorpion Orthobothriotaxy: A Cladistic Approach, Michael E. Soleglad, Victor Fet
Evolution Of Scorpion Orthobothriotaxy: A Cladistic Approach, Michael E. Soleglad, Victor Fet
Victor Fet
This study presents a cladistic analysis of the derivation of orthobothriotaxic patterns in scorpions. Included in this analysis are the original three orthobothriotaxic patterns defined by Vachon (1972, 1974), the pattern of the unique scorpion Pseudochactas ovchinnikovi Gromov, 1998, and two trichobothrial patterns of fossil scorpions, the Upper Carboniferous palaeopisthacanthids and the Lower Cretaceous archaeobuthids. An overview of all fossil scorpion material where trichobothria are reported is presented in detail. The approach used in this analysis is to model the existence of an individual trichobothrium, adopting the ‘absence of’, ‘petite size’ and ‘full size’ as incremental stages of a trichobothrium’s …
Morphology Analysis Supports Presence Of More Than One Species In The “Euscorpius Carpathicus” Complex (Scorpiones: Euscorpiidae), Victor Fet, Michael E. Soleglad
Morphology Analysis Supports Presence Of More Than One Species In The “Euscorpius Carpathicus” Complex (Scorpiones: Euscorpiidae), Victor Fet, Michael E. Soleglad
Victor Fet
We investigate a number of scorpion populations from southern and central Europe, commonly classified under a “catch-all” name of Euscorpius carpathicus (L., 1767). This species includes a high number of described subspecies but its composition is not resolved. The detailed morphology analysis in the present paper includes a number of new characters, in particular individually mapped external patellar accessory trichobothria. It suggests that several clearly separated lineages are present. E. carpathicus (L.) is restricted here to geographically marginal populations from Romania (terra typica), which exhibit loss of one trichobothrium in the patellar series em (= 3). Another lineage (Austria, Croatia, …