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2012

Interspecific geographic distribution and variation of the pathogens Nosema bombi and Crithidia species in United States bumble bee populations, N. Cordes, F. Huang, James P. Strange, S. A. Cameron, Terry L. Griswold, J. D. Lozier, and L. F. Solter

2005

Assessing chronic and acute toxicity of five fungicides to Osmia lignaria and Apis mellifera, E. Ladurner, Jordi Bosch, W. P. Kemp, and S. Maini

Evaluation of a standard artificial flower design to feed individual bees known amounts of pesticides, E. Ladurner, Jordi Bosch, W. P. Kemp, and S. Maini

2004

A host record for Dasymutilla stevensi Mickel from Capitol Reef National Park, Utah, Vincent J. Tepedino and J. L. Pitts

2003

A scientific note on hygienic behavior in Apis mellifera lamarckii and A. m. carnica in Egypt, S. Kamel, James P. Strange, and W. S. Sheppard

A method to feed bees known amounts of pesticides, E. Ladurner, Jordi Bosch, S. Maini, and W. P. Kemp

Use of sucrose octanoate esters to control the parasitic honey bee mite Varroa destructor, W. S. Sheppard, M. Gardner, S. Hasher, B. Kahkonen, M. D. Meixner, and James P. Strange

2001

Optimum treatment timing of fluvalinate for the control of Varroa destructor (Acari: Varroidae) in Apis mellifera in Washington State, James P. Strange and W. S. Sheppard

1995

Susceptibility of Ips calligraphus (Germar) and Dendroctonus frontalis Zimmermann (Coleoptera: Scolytidae) to coleopteran-active Bacillus thuringiensis, a bacterial metabolite, and Avermectin B1, James H. Cane, H. Cox, and W. Moar

Chalkbrood susceptibility among alfalfa leafcutting bee (Hymenoptera: Megachilidae) larvae reared at different temperatures, J. D. Vandenberg and M. S. Goettel

1994

Insemination capability of male Pteromalus venustus (Hymenoptera: Pteromalidae), a gregarious parasitoid of Megachile rotundata (Hymenoptera: Megachilidae), Vincent J. Tepedino

Spore dosage and environmental effects on incidence of chalkbrood-pollen balls in alfalfa leafcutting bee nests, Phillip F. Torchio

Chalkbrood susceptibility among larvae of the alfalfa leafcutting bee (Hymenoptera: Megachilidae) reared on different diets, J. D. Vandenberg

1993

Susceptibility to chalkbrood of alfalfa leafcutter bees, Megachile rotundata, reared on natural and artificial provisions, M. S. Goettel, J. D. Vandenberg, G. M. Duke, and G. B. Schaalje

Influence of Habitat, Season, and Attractant on Adult Behavior of the Screwworm (Diptera, Calliphoridae) in A Tropical Dry Zone in Costa-Rica, Frank D. Parker, J. B. Welch, and R. B. Matlock

1992

Monitoring Adult-Populations of the Screwworm (Diptera, Calliphoridae) with Feeding Stations Baited with Liver, Frank D. Parker and J. B. Welch

Effects of temperature and host developmental stage on Ascosphaera torchioi Youssef and McManus prevalence in Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae), R. W. Rust and Phillip F. Torchio

Effects of spore dosage and temperature on pathogenic expressions of chalkbrood syndrome caused by Ascophaera torchioi within larvae of Osmia lignaria propinqua (Hymenoptera: Megachilidae), Phillip F. Torchio

Bioassay of the chalkbrood fungus Ascosphaera aggregata on larvae of the alfalfa leafcutting bee, Megachile rotundata, J. D. Vandenberg

Chalkbrood susceptibility among larvae of the alfalfa leafcutting bee, Megachile rotundata, from different source populations, J. D. Vandenberg

1991

Insecticide treatments for rangeland grasshoppers: Potential effects on pollinating bees, D. G. Alston, M. L. Peach, Vincent J. Tepedino, and E. W. Evans

Alternative to Sentinel Animals for Collecting Egg Masses from Wild Females of the Screwworm (Diptera, Calliphoridae), Frank D. Parker and J. B. Welch

Field Comparisons of Attractants for the Screwworm Fly (Diptera, Calliphoridae) in A Tropical Dry Forest in Costa-Rica, Frank D. Parker and J. B. Welch

Influence of Attractants on Behavior of Screwworms (Diptera, Calliphoridae) in A Tropical Wet Forest in Costa-Rica, Frank D. Parker and J. B. Welch

Induction of Ascosphaera (Ascomycetes: Ascosphaerales) infections in field populations of Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae), R. W. Rust and Phillip F. Torchio

1990

Application methods for Bacillus thuringiensis used to control larvae of the greater wax moth (Lepidoptera: Pyralidae) on stored beeswax combs, J. D. Vandenberg and H. Shimanuki

1989

Repulsion of three chalcid parasitoids of the alfalfa leafcutting bee, Megachile rotundata (F.) by the fungicides CAPTAN and DPX, Vincent J. Tepedino

1988

Aspects of host acceptance by Pteromalus venustus Walker and Monodontomerus obsoletus Fabricius, parasitoids of Megachile rotundata (Fabricius), the alfalfa leafcutting bee (Hymenoptera: Chalcididae), Vincent J. Tepedino

Host discrimination in Monodontomerus obsoletus Fabricius (Hymenoptera: Torymidae), a parasitoid of the alfalfa leafcutting bee, Megachile rotundata (Fabricius) (Hymenoptera: Megachilidae), Vincent J. Tepedino

Incidence of pre-emergence sib-mating in Monodontomerus obsoletus, Pteromalus venustus, and Tetrastichus megachilidis, three chalcid parasitoids of the alfalfa leafcutting bee, Megachile rotundata (Hymenoptera: Chalcididae), Vincent J. Tepedino

1987

Host records and nest entry by Dolichostelis, a kleptoparasitic anthidiine bee (Hymenoptera: Megachilidae), F. D. Parker, James H. Cane, G. W. Frankie, and S. B. Vinson

Host records and nest entry by Dolichostelis, a kleptoparasitic anthidiine bee (Hymenoptera: Megachilidae), Frank D. Parker, J. H. Cane, G. W. Frankie, and S. B. Vinson

1986

Vairimorpha sp. spores do not reduce the longevity of caged adult honey bees, Apis mellifera (Hymenoptera: Apidae), J. D. Vandenberg, J. J. Hamm, and H. Shimanuki

Two commercial preparations of the b exotoxin of Bacillus thuringiensis influence the mortality of caged adult honey bees, Apis mellifera (Hymenoptera: Apidae), J. D. Vandenberg and H. Shimanuki

Two commercial preparations of the ß exotoxin of Bacillus thuringiensis influence the mortality of caged adult honey bees, Apis mellifera (Hymenoptera: Apidae), J. D. Vandenberg and H. Shimanuki

1985

An Effective Fungicide Treatment for Controlling Chalkbrood Disease of the Alfalfa Leafcutting Bee in Field Populations (Hymenoptera: Megachilidae) (Ascomycetes: Ascosphaeraceae), Frank D. Parker

Cross-infectivity potential of Ascosphaera Spp. (Ascomycetes: Ascosphaera) on the bee, Osmia lignaria propinqua Cresson (Megachilidae: Osmia), N. N. Youssef, W. R. McManus, and Phillip F. Torchio

1984

Effect of fungicide treatments on incidence of chalkbrood disease in nests of the alfalfa leafcutting bee (Hymenoptera: Megachilidae), Frank D. Parker

1983

Olfactory evaluation of Andrena host nest suitability by kleptoparasitic Nomada bees (Hymenoptera: Apoidea), James H. Cane

Pathogenicity of Ascosphaera species for larvae of Megachile rotundata, J. D. Vandenberg and W. P. Stephen

1982

A comparative study of the exocrine products of clepto-parasitic bees (Holcopasites) and their hosts (Calliopsis) (Hymenoptera: Anthophoridae, Andrenidae), A. Hefetz, G. C. Eickwort, M. S. Blum, James H. Cane, and G. E. Bohart

Inhibition of chalkbrood spore germination in vitro (Ascosphaera aggregata: Ascosphaerales), W. P. Stephen, J. D. Vandenberg, B. L. Fichter, and G. Lahm

Ethiology and symptomatology of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata, J. D. Vandenberg and W. P. Stephen

Etiology and symptomatology of chalkbrood in the alfalfa leafcutting bee, Megachile rotundata, J. D. Vandenberg and W. P. Stephen

1981

Etiology and epizootiology of chalkbrood in the leafcutter bee, Megachile rotundata (Fabricius), with notes on Ascosphaera species, W. P. Stephen, J. D. Vandenberg, and B. L. Fichter

1980

Spore load of Ascosphaera species on emerging adults of the alfalfa leafcutting bee, Megachile rotundata, J. D. Vandenberg, B. L. Fichter, and W. P. Stephen

1979

Defense against parasitization in mud-nesting Hymenoptera: Can empty cells increase net reproductive output?, Vincent J. Tepedino, L. L. McDonald, and R. Rothwell

1978

Alfalfa leafcutter bee: reducing parasitism of loose cells during incubation, Frank D. Parker

1974

Effectiveness of Triahogramma spp. in parasitizing eggs of Pieris rapae and Triahoplusia ni in the laboratory, Frank D. Parker and R. E. Pinnell

Sapyga epidemic now! biology, control report, Phillip F. Torchio

1973

Effect on food consumption of the imported cabbageworm when parasitized by two species of Apanteles, Frank D. Parker and R. E. Pinnell

Relative toxicity of insecticides to the honey bee, alkali bee, and alfalfa leafcutting bee (Hymenoptera: Apidae, Halictidae, Megachilidae), Phillip F. Torchio

1972

Further studies of the biological control of Pieris papae using supplemental host and parasite releases, Frank D. Parker and R. E. Pinnell

Sapyga pumila Cresson, a parasite of Megachile rotundata (F.) (HymenopteraL Sapygidae; Megachilidae) I: biology and description of immature stages, Phillip F. Torchio

1971

Management of pest populations by manipulating densities of both hosts and parasites through periodic releases, Frank D. Parker

Suppression of Pieris rapae (L.) using a new control system: Mass releases of both the pest and its parasites, Frank D. Parker, F. R. Lawson, and R. E. Pinnell

1970

The Evolution and Parasitism Among Bees, George E. Bohart

1969

Phoretic Behavior of Four Species of Alkali Bee Mites as Influenced by Season and Host Sex, Earle A. Cross and George E. Bohart

1968

The Biology of Euphytomima nomiivora (Diptera: Sarcophagidae), a Parasite of the Alkali Bee, Nomia melanderi (Hymenoptera: Halictidae), Mohammad Javad Moradeshaghi and George E. Bohart

Host-parasite associations in some twig nesting Hymenoptera from western North America. Part II, Frank D. Parker and R. M. Bohart

1965

Host-parasite associations in some twig-nesting Hymenoptera from western North America, Frank D. Parker and R. M. Bohart

1963

A chalcid wasp parasite of the alfalfa leaf-cutting bee, Phillip F. Torchio

1960

The Biology of Heterostylum rubustum (Diptera: Bombyliidae), a Parasite of the Alkali Bee, George E. Bohart, W. P. Stephen, and R. K. Eppley

1955

New Records of Hornia minutipennis Riley, With Notes on its Biology (Coleoptera, Meloidae), George E. Bohart and Richard B. Selander

1954

Honey Bees Attacked at Their Hive Entrance by the Wast Philanthus flavifrons Cresson, George E. Bohart

Additional Studies on the Effect of Field Applications of Insecticides on Honey Bees, F. V. Lieberman, George E. Bohart, William P. Nye, and G. F. Knowlton

The Biology of Zonitis atripennis flavida Leconte (Coleoptera: Meloidae), Richard B. Selander and George E. Bohart

1952

A Larva of Trichodes ornatus from a Pollen Trap on a Hive of Honey Bees, William P. Nye and George E. Bohart

1949

Record of a Fungus Outbreak Among Adult Bees of the Genus Andrena, George E. Bohart

1948

The Effect of Field Application of DDT, Chlordane, Parathion, and Chorinated Camphene Dusts on Honey Bees, F. E. Todd, F. V. Lieberman, William P. Nye, and G. F. Knowlton

1947

An Arsenic Survey in Utah, G. F. Knowlton, L. W. Jones, and William P. Nye

Some Records of Parasitism of Solitary Bees by Conopid Flies, John W. MacSwain and George E. Bohart

The Relationship Between Arsenic in the Blossoms of White Sweet Clover and in the Soil, William P. Nye

1941

The Oviposition of Conopid Flies Upon Smaller Andrenid Bees, George E. Bohart

1940

A Conopid Fly Parasite of Megachile (Hymenoptera, Apoidea), George E. Bohart and John W. MacSwain

A record of Physocephala affinis Williston as a parasite of adult Bembix comata Parker, George E. Bohart and John W. MacSwain

Notes on Two Chrysidids Parasitic on Western Bembicid Wasps (Hymenoptera), George E. Bohart and John W. MacSwain

1696

Alkali Bees: Response of Adults to Pathogenic Fungi in Brood Cells, S. W.T. Batra and George E. Bohart