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Articles 241 - 255 of 255
Full-Text Articles in Entire DC Network
Seasonal Abundance And Distribution Of Benthic Fauna Within A Pond, Ellis L. Matheny, E. A. Heinrichs
Seasonal Abundance And Distribution Of Benthic Fauna Within A Pond, Ellis L. Matheny, E. A. Heinrichs
Department of Entomology: Faculty Publications
A Tennessee pond was sampled weekly from June 18 to August 20, 1968, to determine quantitative differences among benthic organisms in sampling depths and dates. Annelids (Oligochaeta), Chironomidae larvae, and Chaoboridae larvae were the dominant organisms collected. Preferred depths existed for each group of organisms. Chaoboridae and Chironomidae exhibited distinct seasonal variations in numbers, with the population decreasing throughout the summer. Chaoboridae were the most and Chironomidae the least numerous of the 3 groups.
A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man, U.S. Department Of Agriculture
A National Program Of Research For Bees And Other Pollinating Insects And Insects Affecting Man, U.S. Department Of Agriculture
An
The United States Department of Agriculture and State Agricultural Experiment Stations are continuing comprehensive planning of research. This report is a part of this joint research planning and was prepared under recommendation 2 (page 204, paragraph 3) of the National Program of Research for Agriculture.
Department Of Entomology Newsletter - No. 3, 1968, Bruner Entomology Club, Jon J. Tollefson
Department Of Entomology Newsletter - No. 3, 1968, Bruner Entomology Club, Jon J. Tollefson
Hexapod Herald and Other Entomology Department Newsletters
Bruner Entomology Club
University of Nebraska State Museum, Division of Entomology
Field Trip, 1968
Insect Pathology Program
New Staff: Earle S. Raun (Chairman), John B. Campbell, Thomas J. Helms
Undergraduates and Undergraduate Teaching
Staff: Roscoe E. Hill, Kenneth P. Pruess, James M. Shalk, J. Derril Munson, Walter R. Akeson, Robert E. Roselle, Donald E. Lawson, Earle S. Raun, S. Dean Kindler, Robert Staples, Lloyd W. Andersen, Harold J. Ball, George R. Manglitz, Paul C. Peterson, Calvin M. Jones, John B. Campbell, David L. Keith, Thomas J. Helms
Clerical and Technical Staff: Esther A. Schock, Carla M. Tollefson, Barbara J. Lloyd, …
Ecological Factors Controlling Population Distribution Of The Burying Beetle, Nicrophorus Orbicollis Say, Gerald L. Demoss
Ecological Factors Controlling Population Distribution Of The Burying Beetle, Nicrophorus Orbicollis Say, Gerald L. Demoss
Morehead State Theses and Dissertations
A thesis presented to the faculty of the School of Sciences and Mathematics at Morehead State University in partial fulfillment of the requirements for the Degree of Master of Science in Biology by Gerald L. DeMoss on July 11, 1968.
Nocturnal Flights Of Triatoma Protracta (Uhler) As Indicated By Collections At Black Light Traps : (Hemiptera: Reduviidae: Triatominae), Robert D. Sjogren
Nocturnal Flights Of Triatoma Protracta (Uhler) As Indicated By Collections At Black Light Traps : (Hemiptera: Reduviidae: Triatominae), Robert D. Sjogren
Loma Linda University Electronic Theses, Dissertations & Projects
An investigation into the environmental and ethological factors relating to summer flights of Triatoma protracta protracta (Uhler) was performed utilizing black light traps of original design. Field observations were conducted on 51 evenings during the period June 1 to October 31, 1964. The traps were operated on a surveillance basis for the remainder of a twelve month period.
A total of 398 adult Triatoma protracta were collected in traps around a residence located in the chaparral covered foothills 10 miles east of Redlands, California. In addition to observations on field behavior, laboratory dissections were performed on each bug to obtain …
Habits And Life History Of The Bronze Flea Beetle, Altica Tombacina (Mannerheim) (Coleoptera-Chrysomelidae), Jane C. Dirks-Edmunds
Habits And Life History Of The Bronze Flea Beetle, Altica Tombacina (Mannerheim) (Coleoptera-Chrysomelidae), Jane C. Dirks-Edmunds
Jane Claire Dirks-Edmunds Documents
This article, which was published in volume 39 issue 4 of the journal Northwest Science, describes a study that began in the fall of 1959 and was supported by federal grant G-8779. Dr. Jane Claire Dirks-Edmunds's research focused on the little-known Bronze Beetle and involved several of her contemporaries, both within and outside the Linfield College Biology Department.
Insect Pests Of Cotton In The Ord River Irrigation Area, K T. Richards
Insect Pests Of Cotton In The Ord River Irrigation Area, K T. Richards
Journal of the Department of Agriculture, Western Australia, Series 4
COTTON is grown in the Ord Valley of north Western Australia, mainly as an annual, irrigated crop during the hot summer months of the "wet season".
It is usually planted in November-December and harvested March-May.
This period of growth corresponds closely to that of maximum insect activity.
The Darkling Beetles Of The Nevada Test Site (Coleoptera - Tenebrionidae), Willis A. Packham
The Darkling Beetles Of The Nevada Test Site (Coleoptera - Tenebrionidae), Willis A. Packham
Theses and Dissertations
In the desert areas of southwestern United States the Coleoptera, family Tenebrionidae, constitute a conspicuous part of the ground-dwelling insects. Most species are black or dull chestnut-brown. They are primarily nocturnal and during the day can be found under rocks, debris, loose bark, or in rodent burrows. On cloudy days they may be seen lumbering along the desert floor. Most tenebrionids feed on plant materials of various sorts. In August, 1959, Brigham Young University initiated an ecological study at the Nevada Test Site near Mercury in Nye County, Nevada. As part of that study, emphasis was given to the ground-dwelling …
An Ecological Study Of The Cockroach Habitats Of Two Garbage Disposal Areas In Knox County, Tennessee, Harry E. Williams
An Ecological Study Of The Cockroach Habitats Of Two Garbage Disposal Areas In Knox County, Tennessee, Harry E. Williams
Masters Theses
Statement of the Problem: This study was made to determine the adaptations to a new environment and the ecological niches in the community that are occupied by cockroaches in two garbage disposal dump areas. The community of this study is the entire area of two garbage disposal dumps. This research is a comprehensive study of the garbage disposal community, including an analysis of its components (physical and biotic), dynamics and seasonal aspects.
Two garbage disposal dump areas were studied. One area is used by Knox County and is under the direction of the County Health Department. The other area is …
Comparison Of Spider Populations Of Ground Stratum In Arkansas Pasture And Adjacent Cultivated Field, W. H. Whitcomb, Harriet Exline, Maxine Hite
Comparison Of Spider Populations Of Ground Stratum In Arkansas Pasture And Adjacent Cultivated Field, W. H. Whitcomb, Harriet Exline, Maxine Hite
Journal of the Arkansas Academy of Science
Of 64 species of spiders taken from the ground stratum of an Arkansas pasture and adjoining cotton field, only 26 were common to both. Twenty-two were collected only in the cotton field; 16, only in the pasture. Many of the 18 species of lycosids were taken in greater numbers in the cultivated field, especially Pardosa milvina and Lycosa helluo. Eight species of lycosids were found only in the cotton field; two, only in the pasture. Only Schizocosa avida, of the better represented lycosids, appeared to show no preference. Similar relationships are given for dictynids, erigonids, linyphiids, oxyopids, gnaphosids, clubionids, thomisids, …
Department Of Entomology Newsletter - No. 1, 1962
Department Of Entomology Newsletter - No. 1, 1962
Hexapod Herald and Other Entomology Department Newsletters
Foreword, the Editors, Norman L. Braasch and John Edman
Greetings, Roscoe E. Hill
Staff (photo)
Graduate Students (photo)
Courses Currently Offered in Entomology, Current Research Projects
Professional Staff biographies
Clerical and Technical Staff
Athletics
Alumni biographies
Some Environmental Features Of Hallett Station, Antarctica, With Special Reference To Soil Arthropods, Madison E. Pryor
Some Environmental Features Of Hallett Station, Antarctica, With Special Reference To Soil Arthropods, Madison E. Pryor
Doctoral Dissertations
Introduction: Since Cook's voyage of 1772-1775, numerous expeditions, nationally and independently supported, have explored coastal and inland areas of Antarctica. The primary purpose of most early scientific expeditions was directed toward a study of the physical nature of the continent. In most instances, biologists were not included as expedition personnel and a large portion of the information concerning the flora and fauna of the continent has been contributed by investigators trained in a variety of scientific disciplines. A very few systematic investigations of land flora and soil fauna have been made. In spite of the obvious inadequacy of such investigations, …
Letter From Lawrence W. Quate To Dr. Jane C. Dirks-Edmunds, Lawrence W. Quate
Letter From Lawrence W. Quate To Dr. Jane C. Dirks-Edmunds, Lawrence W. Quate
Jane Claire Dirks-Edmunds Documents
This letter from Dr. Lawrence W. Quate is one of many such letters received by Dr. Jane Claire Dirks-Edmunds. Dirks-Edmunds consulted a number of experts to help identify the specimens she collected while conducting fieldwork. Quate was an expert on midges, also known as psychodids. Many of the colleagues with whom Dirks-Edmunds corresponded resided far afield from her research site on Saddleback Mountain in Oregon.
Dirks-Edmunds, a 1937 graduate of Linfield College, graduated from the University of Illinois in 1941; she returned to teach in the Biology department at Linfield from 1941-1974.
First Report Of The Committee On Grasshopper Research Appointed By The American Association Of Economic Entomologists, Agricultural Experiment Station, South Dakota State College
First Report Of The Committee On Grasshopper Research Appointed By The American Association Of Economic Entomologists, Agricultural Experiment Station, South Dakota State College
Agricultural Experiment Station Entomology Pamphlets (1940-1952)
This is the first report of the Committee on Grasshopper Research which was authorized at the San Francisco meeting of the American Association of Economic Entomologists in 1942.
The Insect Association Of A Local Enviornmental Complex In The Dsitrict Of Holmes Chapel, Cheshire., Alfred E. Cameron
The Insect Association Of A Local Enviornmental Complex In The Dsitrict Of Holmes Chapel, Cheshire., Alfred E. Cameron
Bu
No abstract provided.