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Journal Of Actuarial Practice Volume 10 (2002) -- Contents And Masthead Jan 2002

Journal Of Actuarial Practice Volume 10 (2002) -- Contents And Masthead

Journal of Actuarial Practice (1993–2006)

Contents

Editorial Policy: Topics suitable for this journal include AIDS, annuity products, asset-liability matching, cash-flow testing, casualty rate making, credibility theory, credit insurance, disability insurance, expense analysis, experience studies, FASB issues, financial reporting, group insurance, health insurance, individual risk taking, insurance regulations, international issues, investments, liability insurance, loss reserves, marketing, pensions, pricing issues, product development, reinsurance, reserving issues, risk-based capital, risk theory, social insurance, solvency issues, taxation, valuation issues, and workers' compensation

Review Process

Editor - Colin Ramsay, University of Nebraska

Associate Editors: Robert Brown, University of Waterloo ○ Cecil Bykerk, Mutual of Omaha ○ Ruy Cardoso, …


Journal Of Actuarial Practice, Volume 10, 2002, Colin Ramsay , Editor Jan 2002

Journal Of Actuarial Practice, Volume 10, 2002, Colin Ramsay , Editor

Journal of Actuarial Practice (1993–2006)

ARTICLES

Communicating Effectively with Words, Numbers, and Pictures: Drawing on Experience • Karolina Duklan and Michael A. Martin

Unearned Premiums and Deferred Policy Acquisition Expenses in Automobile Extended Warranty Insurance • Joseph Cheng

Can Utility Maximization Models Assist With Retirement Planning? • Zaki Khorasanee

Dynamic Funding and Investment Strategy for Defined Benefit Pension Schemes: A Model Incorporating Asset-Liability Matching Criteria • Shih-Chieh Chang, Cheng-Hsien Tsai, Chia-Jung Tien, and Chang- Ye Tu

Model Risk and Surplus Management Under a Stochastic Interest Rate Process •Jennifer L. Wang and Rachel J. Huang

Some Comments on the Pricing of an Exotic Excess of …


Improving Mortality: A Rule Of Thumb And Regulatory Tool, John H. Pollard Jan 2002

Improving Mortality: A Rule Of Thumb And Regulatory Tool, John H. Pollard

Journal of Actuarial Practice (1993–2006)

We develop a simple exact formula for determining cohort life expectancies under constant continuous uniform improvement in mortality using only a cross-sectional (period) Gompertz life table for the lives concerned and a simple approximation applicable to all life tables. The present values of annuities for such lives can be determined simply and accurately across the whole age span.


The Voices Of Survivors Documentary Using Patient Narrative To Educate Physicians About Domestic Violence, Christina Nicolaidis Jan 2002

The Voices Of Survivors Documentary Using Patient Narrative To Educate Physicians About Domestic Violence, Christina Nicolaidis

School of Social Work Faculty Publications and Presentations

This article describes a method of developing physician education materials using analysis of domestic violence patient experiences and patients' descriptions of their experiences. The process began with interviews of 21 domestic violence survivors, focusing on what they wanted to teach physicians. Qualitative analysis of these interviews identified 4 main themes regarding what survivors wanted physicians to understand about life in an abusive relationship: that domestic violence is universal, that it is more than just physical assaults, that it is all about power and control, and that it affects the entire family. Because what survivors wanted from physicians differed depending on …


Cypress Spurge, H. Faubert, R. A. Casagrande Jan 2002

Cypress Spurge, H. Faubert, R. A. Casagrande

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Cypress spurge (Euphorbia cyparissias L.) is a herbaceous European perennial introduced into North America as an ornamental plant in the 1860s (Croizat, 1945). It was widely planted in graveyards and often is called graveyard weed (Muenscher, 1936). The plant escaped cultivation and became established on open ground, particularly in pastures (Stuckey and Pearson, 1973).


Musk Thistle (Nodding Thistle), A. Gassman, L.-T. Kok Jan 2002

Musk Thistle (Nodding Thistle), A. Gassman, L.-T. Kok

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Musk thistle, Carduus nutans L., is an invasive weed that has become widespread in the contiguous states of the United States. It is a highly competitive weed of Eurasian origin that has replaced much of the native vegetation in pastures and disturbed areas.


Effects Of Management Practices On Grassland Birds: Willet, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Barry D. Parkin, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Willet, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Barry D. Parkin, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Willet (Catoptrophorus semipalmatus inornatus):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Bull Thistle (Spear Thistle), L.-T. Kok, A. Gassmann Jan 2002

Bull Thistle (Spear Thistle), L.-T. Kok, A. Gassmann

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Bull thistle, Cirsium vulgare (Savi) Tenore, is an invasive thistle from Eurasia, found throughout the United States and in Canada from Newfoundland to British Columbia. It is capable of invading fields, pastures, wastelands and along roadsides, but will not survive in cultivated fields.


Effects Of Management Practices On Grassland Birds: Dickcissel, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Amy L. Zimmerman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Dickcissel, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Amy L. Zimmerman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Dickcissel (Spiza americana):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Plumeless Thistle (Curled Thistle, Bristly Thistle), L.-T. Kok, A. Gassmann Jan 2002

Plumeless Thistle (Curled Thistle, Bristly Thistle), L.-T. Kok, A. Gassmann

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Plumeless thistle, Carduus acanthoides L., is an introduced Eurasian noxious weed in pastures, rangelands, croplands, and along highways in 19 of the contiguous states in the United States (Frick, 1978). Carduus acanthoides and Carduus nutans L. in the northeastern United States often occupy the same habitats, such as overgrazed pastures and disturbed roadsides, and these species sometimes occur as mixed stands.


Effects Of Management Practices On Grassland Birds: Chestnut-Collared Longspur, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Chestnut-Collared Longspur, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Chestnut-Collared Longspur (Calcarius ornatus):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Characteristics


Canada Thistle, A. S. Mcclay Jan 2002

Canada Thistle, A. S. Mcclay

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Canada thistle, Cirsium arvense (L.) Scop., is a vigorous, competitive weed that occurs in a wide range of habitats and is difficult to control due to its ability to regrow from its extensive, deep creeping root system (Nadeau and Vanden Born, 1989).


Effects Of Management Practices On Grassland Birds: Baird’S Sparrow, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Baird’S Sparrow, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Baird’s Sparrow:
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations


Monitoring Black-Tailed Prairie Dog Colonies With High-Resolution Satellite Imagery, John G. Sidle, Douglas H. Johnson, Betty R. Euliss, Malrcus Tooze Jan 2002

Monitoring Black-Tailed Prairie Dog Colonies With High-Resolution Satellite Imagery, John G. Sidle, Douglas H. Johnson, Betty R. Euliss, Malrcus Tooze

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

The United States Fish and Wildlife Service has determined that the black-tailed prairie dog (Cynomys ludovicianus) warrants listing as a threatened species under the Endangered Species Act. Central to any conservation planning for the black-tailed prairie dog is an appropriate detection and monitoring technique. Because coarse-resolution satellite imagery is not adequate to detect black-tailed prairie dog colonies, we examined the usefulness of recently available high-resolution (1-m) satellite imagery. In 6 purchased scenes of national grasslands, we were easily able to visually detect small and large colonies without using image-processing algorithms. The Ikonos (Space Imaging™) satellite imagery was as …


Effects Of Management Practices On Grassland Birds: Sedge Wren, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Barry D. Parkin, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Sedge Wren, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Barry D. Parkin, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Sedge Wren (Cistothorus platensis):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Effects Of Management Practices On Grassland Birds: Northern Harrier, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Northern Harrier, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Northern Harrier (Circus cyaneus):
Breeding range
Suitable habitat
Prey habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Effects Of Management Practices On Grassland Birds: Loggerhead Shrike, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Amy L. Zimmerman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Loggerhead Shrike, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Amy L. Zimmerman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Loggerhead Shrike (Lanius ludovicianus):
Breeding range
Suitable habitat
Area requirements
Prey habitat
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Effects Of Management Practices On Grassland Birds: Mountain Plover, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Mountain Plover, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Mountain Plover (Charadrius montanus):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Effects Of Management Practices On Grassland Birds: Grasshopper Sparrow, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Grasshopper Sparrow, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Melvin P. Nenneman, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Grasshopper Sparrow (Ammodramus savannarum):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Effects Of Management Practices On Grassland Birds: Lark Sparrow, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Barry D. Parkin, Betty R. Euliss Jan 2002

Effects Of Management Practices On Grassland Birds: Lark Sparrow, Jill A. Dechant, Marriah L. Sondreal, Douglas H. Johnson, Lawrence D. Igl, Christopher M. Goldade, Barry D. Parkin, Betty R. Euliss

United States Geological Survey, Northern Prairie Wildlife Research Center: Publications

Lark Sparrow (Chondestes grammacus):
Breeding range
Suitable habitat
Area requirements
Brown-headed Cowbird brood parasitism
Breeding-season phenology and site fidelity
Species’ response to management
Management Recommendations
Habitat Characteristics


Safety Of Brucella Abortus Strain Rb51 Vaccine In Non-Target Ungulates And Coyotes, Terry J. Kreeger, Thomas J. Deliberto, Steven C. Olsen, William H. Edwards, Walter E. Cook Jan 2002

Safety Of Brucella Abortus Strain Rb51 Vaccine In Non-Target Ungulates And Coyotes, Terry J. Kreeger, Thomas J. Deliberto, Steven C. Olsen, William H. Edwards, Walter E. Cook

United States Department of Agriculture Wildlife Services: Staff Publications

Brucellosis is endemic in free-ranging elk (Cervus elaphus) and bison (Bison bison) in the Greater Yellowstone Area (GYA; USA). It is possible that an oral brucellosis vaccine could be developed and disseminated in the GYA to reduce disease transmission. Should this occur, non-target species other than elk and bison may come in contact with the vaccine resulting in morbidity or mortality. To assess biosafety, bighorn sheep (Ovis canadensis; n=10), pronghorn (Antilocapra americana; n=9), mule deer (Odocoileus hemionus; n=11), moose (Alces alces shirasi; n=10), and …


Kinetics Of Formation Of Twinned Structures Under L10-Type Orderings In Alloys, Kirill D. Belashchenko, I R Pankratov, G D Samolyuk, V G Vaks Jan 2002

Kinetics Of Formation Of Twinned Structures Under L10-Type Orderings In Alloys, Kirill D. Belashchenko, I R Pankratov, G D Samolyuk, V G Vaks

Kirill Belashchenko Publications

The earlier-developed master equation approach and kinetic cluster methods are applied to study the kinetics of L10-type orderings in alloys, including the formation of twinned structures characteristic of cubic–tetragonal-type phase transitions. A microscopical model of interatomic deformational interactions is suggested which generalizes a similar model of Khachaturyan for dilute alloys to the physically interesting case of concentrated alloys. The model is used to simulate A1 → L10 transformations after a quench of an alloy from the disordered A1 phase to the single-phase L10 state for a number of alloy models with different chemical interactions, temperatures, concentrations, …


Identification And Characterisation Of A Cdna Sequence Encoding A Glutamic Acid-Rich Protein Specifically Transcribed In Trichinella Spiralis Newborn Larvae And Recognised By Infected Swine Serum, Dante S. Zarlenga, Patricia Boyd, J. Ralph Lichtenfels, Dolores Hill, H. Ray Gamble Jan 2002

Identification And Characterisation Of A Cdna Sequence Encoding A Glutamic Acid-Rich Protein Specifically Transcribed In Trichinella Spiralis Newborn Larvae And Recognised By Infected Swine Serum, Dante S. Zarlenga, Patricia Boyd, J. Ralph Lichtenfels, Dolores Hill, H. Ray Gamble

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Presently, little is known of the mechanism by which Trichinella penetrates and modulates reprogramming of muscle cells. In light of evidence demonstrating strong protective characteristics of antigens derived from this stage, understanding this process may shed light on potential targets for effective abatement of infection. To this end, a PCR-derived cDNA expression library was constructed using 0.5 mg of total RNA from Trichinella spiralis newborn larvae. The library consisted of >125,000 insert-containing clones. Approximately 40-50 × 103 clones were screened immunologically using sera from pigs experimentally infected with 7,000 Trichinella L1. Multiple clones reacting positively with the swine infection …


Protostrongylus Stilesi (Nematoda: Protostrongylidae): Ecological Isolation And Putative Host-Switching Between Dall’S Sheep And Muskoxen In A Contact Zone, Eric P. Hoberg, Susan J. Kutz, John Nagy, Emily Jenkins, Brett Elkin, Marsha Branigan, Dorothy Cooley Jan 2002

Protostrongylus Stilesi (Nematoda: Protostrongylidae): Ecological Isolation And Putative Host-Switching Between Dall’S Sheep And Muskoxen In A Contact Zone, Eric P. Hoberg, Susan J. Kutz, John Nagy, Emily Jenkins, Brett Elkin, Marsha Branigan, Dorothy Cooley

Harold W. Manter Laboratory of Parasitology: Faculty Publications

The occurrence of Protostrongylus stilesi in a population of introduced muskoxen, Ovibos moschatus wardi, on the Arctic Coastal Plain, Yukon Territory (YT) and Northwest Territories (NT), Canada, is consistent with a contemporary colonization event from Dall’s sheep, Ovis dalli dalli, which indicates that host specificity may be ecologically based and contextual for this parasite. Colonization of muskoxen by P. stilesi may be a predictable event in zones of sympatry with Dall’s sheep; exposure to infection may coincide with occupation of winter ranges of Dall’s sheep by muskoxen during the summer season. Disruption of contemporary ecological isolating barriers can …


Foundations For An Integrative Parasitology: Collections, Archives, And Biodiversity Informatics, Eric P. Hoberg Jan 2002

Foundations For An Integrative Parasitology: Collections, Archives, And Biodiversity Informatics, Eric P. Hoberg

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Burgeoning awareness about biodiversity emphasizes the fundamental importance of museum collections and the contributions of systematists and taxonomists in documenting the structure and history of the biosphere. An essential role is served by this infrastructure in collecting, preparing, analyzing, and disseminating information about the specimens that represent species, document a range of complex biological associations from symbioses to parasitism, and form the tapestry and the myriad facets of biodiversity (e.g., Wilson, 2000). As parasitologists we can examine how we may contribute to this broader documentation and understanding of global biodiversity, and we can articulate and communicate our role as vital …


Development Of The Muskox Lungworm, Umingmakstrongylus Pallikuukensis (Protostrongylidae), In Gastropods In The Arctic, Susan J. Kutz, Eric P. Hoberg, John Nishi, Lydden Polley Jan 2002

Development Of The Muskox Lungworm, Umingmakstrongylus Pallikuukensis (Protostrongylidae), In Gastropods In The Arctic, Susan J. Kutz, Eric P. Hoberg, John Nishi, Lydden Polley

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Development of the muskox protostrongylid lungworm, Umingmakstrongylus pallikuukensis, in its slug intermediate host, Deroceras laeve, was investigated under field conditions in the Arctic. Every two weeks, from 19 June to 28 August 1997, groups of ten experimentally infected slugs were placed in tundra enclosures in a mesic sedge meadow near Kugluktuk, Nunavut, Canada. First-stage larvae (L1) infecting slugs on or before 17 July developed to third-stage larvae (L3) in 4–6 weeks. Intensity of L3 in slugs peaked at 6–8 weeks post infection (PI) and then progressively declined by 10, 12, and 48–50 weeks PI. Abundance of L3 in …


Kant And Capital Punishment Today, Nelson T. Potter Jan 2002

Kant And Capital Punishment Today, Nelson T. Potter

Department of Philosophy: Faculty Publications

We will consider alternative ways that Kant’s philosophical views on ethics generally and on punishment more particularly could be brought into harmony with the present near consensus of opposition to the death penalty. We will make use of the notion of the contemporary consensus about certain issues, particularly equality of the sexes and the death penalty, found in widespread agreement, though not unanimity. Of course, it is always possible that some consensuses are wrong, or misguided, or mistaken. We should not put too much philosophical weight on the notion of a consensus here. If there is a consensus for the …


Law As A Reflection Of Her/His-Story: Current Institutional Perceptions Of, And Possibilities For, Protecting Transsexuals' Interests In Legal Determinations Of Sex, Jody L. Madeira Jan 2002

Law As A Reflection Of Her/His-Story: Current Institutional Perceptions Of, And Possibilities For, Protecting Transsexuals' Interests In Legal Determinations Of Sex, Jody L. Madeira

Articles by Maurer Faculty

No abstract provided.


Detection Of Giardia Duodenalis Antigen In Coprolites Using A Commercially Available Enzyme-Linked Immunosorbent Assay, Marcelo Luiz Carvalho Gonçalves, Adauto Araújo, Rosemere Duarte, Joaquim Pereira Da Silva, Karl Reinhard, Françoise Bouchet, Luis Fernando Ferreira Jan 2002

Detection Of Giardia Duodenalis Antigen In Coprolites Using A Commercially Available Enzyme-Linked Immunosorbent Assay, Marcelo Luiz Carvalho Gonçalves, Adauto Araújo, Rosemere Duarte, Joaquim Pereira Da Silva, Karl Reinhard, Françoise Bouchet, Luis Fernando Ferreira

Karl Reinhard Publications

The objective of this experiment was to assess the utility of a commercially available enzyme-linked immunosorbent assay (ELISA) kit for diagnosis of giardiasis in archaeological human remains. The kit, a monoclonal antibody assay, is used to detect the presence of Giardia-specific antigen 65 (GSA65) in human feces. We utilized the assay in ancient fecal material. The material included desiccated feces found in mummies or in archaeological sites, and sediments from latrines. A total of 83 specimens, previously examined microscopically for parasites, were examined. The ELISA detected 3 positive samples, dated to about 1200 AD, 1600 AD, and 1700 AD. …


Hydrobiid Snails (Mollusca: Gastropoda: Rissooidea) From St. Andrew Bay, Florida, Richard W. Heard, Robin M. Overstreet, John M. Foster Jan 2002

Hydrobiid Snails (Mollusca: Gastropoda: Rissooidea) From St. Andrew Bay, Florida, Richard W. Heard, Robin M. Overstreet, John M. Foster

Harold W. Manter Laboratory of Parasitology: Faculty Publications

Heleobops sp. of Hershler and Thompson appears to be the only previously published record for the gastropod family Hydrobiidae Troschel in tidal waters of the St. Andrew Bay System, Florida. Six species occurred in bayous, marshes, and brackish ponds associated with the System during studies conducted between 1984 and 1999: Texadina barretti (Morrison), Texadina sphinctostoma Abbott and Ladd, Littoridinops monroensis (Frauenfeld), Littoridinops palustris Thompson, Onobops jacksoni (Bartsch), and Heleobops sp. A. The last is an apparently undescribed species closely related to Heleobops carrikeri Davis and McKee. Based in part on this study, Heleobops sp. A, which occurs in brackish habitats …