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Articles 541 - 570 of 578

Full-Text Articles in Entomology

A Histochemical Study Of The Ovary Of The Milkweed Bug Oncopeltus Fasciatus (Dallas), With Special Reference To The "Intermediate" Cell, Khian Kioe Liem Jan 1970

A Histochemical Study Of The Ovary Of The Milkweed Bug Oncopeltus Fasciatus (Dallas), With Special Reference To The "Intermediate" Cell, Khian Kioe Liem

Masters Theses

No abstract provided.


Addition To The List Of Spiders Collected In Clark County, Arkansas, Peggy Rae Dorris Jan 1969

Addition To The List Of Spiders Collected In Clark County, Arkansas, Peggy Rae Dorris

Journal of the Arkansas Academy of Science

No abstract provided.


Spiders Collected From Mud-Dauber Nests In Clark County, Arkansas, Peggy Rae Dorris Jan 1969

Spiders Collected From Mud-Dauber Nests In Clark County, Arkansas, Peggy Rae Dorris

Journal of the Arkansas Academy of Science

No abstract provided.


A Brief History Of The Namru-3 Medical Zoology Program, Harry Hoogstraal Jan 1968

A Brief History Of The Namru-3 Medical Zoology Program, Harry Hoogstraal

United States Naval Medical Research Unit 3: Publications

The NAMRU-3 Medical Zoology program began during Easter week of 1950. We had just closed the NAMRU-3 field station at Torit, in Equatoria Province of soulheastern Sudan, and were heading homeward to the United States. However, the offer to remain in Egypt for a year or two to develop a Medical Zoology department at NAMRU-3 provided an interesting challenge after working for several years in tropical forests and grasslands of Africa and other continents. We shall briefly describe subsequent events under four headings: (1) Medical Zoology in Egypt, (2) Ticks and Tickborne Diseases of the World, (3) Kala Azar in …


Preliminary Study Of The Spiders Of Clark County Arkansas Compared With A Five Year Study Of Mississippi Spiders, Peggy Rae Dorris Jan 1968

Preliminary Study Of The Spiders Of Clark County Arkansas Compared With A Five Year Study Of Mississippi Spiders, Peggy Rae Dorris

Journal of the Arkansas Academy of Science

No abstract provided.


Satyrs And Wood Nymphs Of Arkansas, E. Phil Rouse Jan 1968

Satyrs And Wood Nymphs Of Arkansas, E. Phil Rouse

Journal of the Arkansas Academy of Science

No abstract provided.


Life History And Predatory Importance Of The Striped Lynx Spider (Araneida: Oxyopidae), W. H. Whitcomb, Ruth Robinson Eason Jan 1967

Life History And Predatory Importance Of The Striped Lynx Spider (Araneida: Oxyopidae), W. H. Whitcomb, Ruth Robinson Eason

Journal of the Arkansas Academy of Science

No abstract provided.


Did This Cause This? [Sarcoptic Mange Of Pigs], F C. Wilkinson Jan 1966

Did This Cause This? [Sarcoptic Mange Of Pigs], F C. Wilkinson

Journal of the Department of Agriculture, Western Australia, Series 4

The mite on the left was detected by using a microscope with a magnification of 100 times to examine a skin scraping taken from the above pig.

This confirmed the suspicion that sarcoptic mange mites were the cause of the skin lesions.


Bumble Bees Of Arkansas (Hymenoptera, Apidae, Bombinae), Leland Chandler, C. Edward Mccoy Jr. Jan 1965

Bumble Bees Of Arkansas (Hymenoptera, Apidae, Bombinae), Leland Chandler, C. Edward Mccoy Jr.

Journal of the Arkansas Academy of Science

No abstract provided.


Synopsis Of The Cicadidae Of Arkansas, C. E. Mccoy Jan 1965

Synopsis Of The Cicadidae Of Arkansas, C. E. Mccoy

Journal of the Arkansas Academy of Science

No abstract provided.


Rearing Of Wolf And Lynx Spiders In The Laboratory (Families Lycosidae And Oxyopidae: Araneida), W. H. Whitcomb, Ruth Robinson Eason Jan 1965

Rearing Of Wolf And Lynx Spiders In The Laboratory (Families Lycosidae And Oxyopidae: Araneida), W. H. Whitcomb, Ruth Robinson Eason

Journal of the Arkansas Academy of Science

No abstract provided.


Life History Of The Dotted Wolf Spider, Lycosa Punctulata Hentz (Araneida: Lycosidae), Ruth Robinson Eason, W. H. Whitcomb Jan 1965

Life History Of The Dotted Wolf Spider, Lycosa Punctulata Hentz (Araneida: Lycosidae), Ruth Robinson Eason, W. H. Whitcomb

Journal of the Arkansas Academy of Science

No abstract provided.


The Animal Quarantine Service, R K. Kent Jan 1964

The Animal Quarantine Service, R K. Kent

Journal of the Department of Agriculture, Western Australia, Series 4

Exotic diseases are a constant threat to Australia's animal industry and there are many reasons for the uncompromising ban on the import of certain animals from overseas.

Such diseases as foot and mouth and blue tongue would cost Australia a tremendous amount of money if they became established here.

Just how Australia protects itself against the introduction of exotic diseases is described by Veterinary Surgeon, R. K. Kent, M.R.C.V.S., in this article .


Control Of Lice On Pigs, Department Of Agriculture, Western Australia Jan 1964

Control Of Lice On Pigs, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

LICE are responsible for serious losses in the pig industry, as apart from the reduced growth rates and loss of condition resulting from the constant irritation, the lice are carriers of disease.


Maternal Care As Exhibited By Wolf Spiders, Ruth Robinson Eason Jan 1964

Maternal Care As Exhibited By Wolf Spiders, Ruth Robinson Eason

Journal of the Arkansas Academy of Science

No abstract provided.


Lice And Keds In Sheep, C R. Toop Jan 1964

Lice And Keds In Sheep, C R. Toop

Journal of the Department of Agriculture, Western Australia, Series 4

BODY LICE and the so called ticks or keds are the most serious of the external parasites which infest sheep in Western Australia.

Unless they are controlled by systematic dipping, these pests can cause considerable financial loss to flock owners.


Index Catalogue To Russian, Central And Eastern European, And Chinese Literature In Medical Entomology, Volume 1: Diptera, George Anastes Jan 1963

Index Catalogue To Russian, Central And Eastern European, And Chinese Literature In Medical Entomology, Volume 1: Diptera, George Anastes

United States Naval Medical Research Unit 3: Publications

Over the past several years a large number of references from the USSR, Eastern Europe, and China have been collected dealing with arthropods of medical importance. These references were coded on keysort cards which made it possible to index as many as fifteen subject areas on one card. The usefulness of this indexing system was evident by the number of medical entomologists who used it in searching for references in their specialty. In response to requests from workers in the United States and other countries who did not have ready access to the index. it was decided to publish these …


An Unusual Tick Fever Outbreak, Department Of Agriculture, Western Australia Jan 1962

An Unusual Tick Fever Outbreak, Department Of Agriculture, Western Australia

Journal of the Department of Agriculture, Western Australia, Series 4

EARLY in the summer of 1961 there was a series of unusual tick fever outbreaks on several poultry farms in the metropolitan area.

These outbreaks were unusual because no apparent vector (disease carrier) could be found.


Mulesing And Tailstripping : For The Prevention Of Fly-Strike, W L. Mcgarry Jan 1962

Mulesing And Tailstripping : For The Prevention Of Fly-Strike, W L. Mcgarry

Journal of the Department of Agriculture, Western Australia, Series 4

MULESING and tailstripping are basic to fly strike control.

During emergencies and bad fly waves they may need to be supplemented by temporary protective measures such as jetting and crutching.


The Argentine Ant In Western Australia, Clee Francis Howard Jenkins Jan 1961

The Argentine Ant In Western Australia, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

IN November, 1954, was commenced one of the most ambitious insect control schemes ever launched in Australia.

The pest concerned was the Argentine ant (Iridomvrmex humilis) and the authorised expenditure was at the rate of £105,000 per annum for five years.


National Parks Of Western Australia, Clee Francis Howard Jenkins Jan 1961

National Parks Of Western Australia, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

NATIONAL PARKS," says the Encyclopaedia Britannica, "are spacious land areas, essentially of primitive or wilderness character, that contain scenery and natural wonder so outstanding in quality that their preservation intact for the benefit, enjoyment and inspiration of the people, is a national concern."


Insect Pests : Snails And Slugs, Clee Francis Howard Jenkins Jan 1960

Insect Pests : Snails And Slugs, Clee Francis Howard Jenkins

Journal of the Department of Agriculture, Western Australia, Series 4

WHILE snails and slugs are not insects, they have been included in this series of articles, because the damage they cause is very similar to that caused by insect pests—and furthermore, the task of testing and recommending control measures is usually left to the entomologists.


Observations On The Biology Of Schistocerca Venusta, David Allyn King Jan 1960

Observations On The Biology Of Schistocerca Venusta, David Allyn King

University of the Pacific Theses and Dissertations

Statement Qf the problem. The green valley grasshopper, Schistoceroa venusta Scudder, is one of the most common grasshoppers to be found in the San Joaquin Valley and environs. Despite the fact that the insect is commonplace, very little work has been done on its biology. It was the purpose of this study, therefore, to learn by field and laboratory observations of the life cycle and habits of Schistoceroa venusta.


Natural And Experimental Infections Of Thelazia Californiensis Price (1930, Nematoda: Thelaziidae) With Descriptions Of The Adult And Larval Parasites, Howard S. Burnett Jun 1958

Natural And Experimental Infections Of Thelazia Californiensis Price (1930, Nematoda: Thelaziidae) With Descriptions Of The Adult And Larval Parasites, Howard S. Burnett

Loma Linda University Electronic Theses, Dissertations & Projects

The purpose of this work was to determine the extent and effects of infestation of the eye worm of mammals, Thelazia californiensis, and to elucidate through experimentation or observation the mode of transmission.

A survey of literature revealed that thelaziasie (infestation by Thelazia species) may cause serious pathological changes in the eye and its adnexa, sometimes resulting in blindness. It was found that reports of thelaziasis in the United States were (with two exceptions) of cases in California. It was further found that T. californiensis has been reported in a wider variety of host than has any of other …


Control Of Hog Lice And Mange, Robert Roselle Jan 1958

Control Of Hog Lice And Mange, Robert Roselle

Department of Entomology: Faculty Publications

The hog louse (Haematopinus suis) is the largest species of louse found on domestic animals. It may attain a length of one-quarter of an inch. The body is oval, and the legs terminate in large, dark claws well adapted to cling to hairs. Hog lice are bluish-gray in color. They are found only on hG>gs except in very unusual cases. The eggs or "nits" are glued to the hairs and hatch in 12 to 20 days. Young lice mature in 10 to 12 days. The average life cycle is about 35 days. Lice suck blood from the host, and …


Case Of Collecting Tick Amblyomma Lepidum Dönitz, 1909, In Azerbaijan, M. V. Pospelova-Shtrom, N. S. Abusalimov Jan 1957

Case Of Collecting Tick Amblyomma Lepidum Dönitz, 1909, In Azerbaijan, M. V. Pospelova-Shtrom, N. S. Abusalimov

United States Naval Medical Research Unit 3: Publications

First paragraph:

On 18 May 1954, (a specimen of) Burhinus oedicnemus (L.) was killed in the Lenkoransky region of Azerbaijan S.S.R.; on its head a male Amblyomma lepidum Dönitz, 1909, was found. Morphological characters of this tick, size and shape of body, characteristic light and dark ornamentation of dorsal shield, punctation, shape, and two colors of festoons, size and shape of cervical and lateral grooves, hypostome, peritreme, projection on coxae, and spherical orbited eyes correspond to those in the description of A. lepidum, given in Robinson monograph. Only on four anterior festoons a small light spot is found (in …


Ixodid Ticks Of Ussr Fauna [Excerpt], G. V. Serdyukova Jan 1956

Ixodid Ticks Of Ussr Fauna [Excerpt], G. V. Serdyukova

United States Naval Medical Research Unit 3: Publications

Key to Hyalomma

Males

Females


50 Years Of Research At The North Platte Experiment Station, W. W. Burr, J. C. Adams Jun 1954

50 Years Of Research At The North Platte Experiment Station, W. W. Burr, J. C. Adams

Nebraska Agricultural Experiment Station: Historical Circulars

The North Platte Experiment was established fifty years ago. So many changes have occurred since then that few people remember why research in dry land agriculture was started in Nebraska and other Great Plains states. In order to get a proper perspective, it may be well to consider some early history.


Leaflet No 2024 - Mulesing And Tail Stripping. Proved Measures For The Control Of Crutch And Tail Strike In Sheep, J Reilly Jan 1953

Leaflet No 2024 - Mulesing And Tail Stripping. Proved Measures For The Control Of Crutch And Tail Strike In Sheep, J Reilly

Bulletins 1 - 2999

FOR many years, the losses from blowfly strike on the crutch and tail areas imposed a tremendous economic burden on the Merino sheep industry in Australia. Today, the modified Mules operation and the tail-strip treatment have provided a convincing answer to this menace. Breech wrinkles encourage strike, and although as a long-term policy, efforts are being made to eliminate wrinkles by breeding for plainness of breech, it is of the utmost importance to give the sheep IMMEDIATE protection by the most effective methods available.

Please note that “THIS ILLUSTRATED ARTICLE CONTAINS GRAPHIC IMAGES”


Hive And Field Mortality Of Honey Bees In Northern Utah Due To Effects Of Certain Ecological And Chemical Factors, Shih Chun Ma May 1950

Hive And Field Mortality Of Honey Bees In Northern Utah Due To Effects Of Certain Ecological And Chemical Factors, Shih Chun Ma

All Graduate Theses and Dissertations, Spring 1920 to Summer 2023

The honey bee is the most important pollinating insect in Utah, because various important crops such as fruits, legumes, and vegetable seed crops depend chiefly on it for pollination. In the past, honey bees have suffered repeated severe death losses through contact with arsenic and other agricultural chemicals. Recently the newer insecticides, such as DDT, chlordane, parathion, benzene hexachloride, lindane, toxaphene, and several kinds of miticides have further complicated the problem of bee survival. In addition, natural enemies such as predators and parasites and some unfavorable environmental conditions, including unfavorable temperature and humidity, wind, storm, and other changeable weather conditions, …