P. Torchio

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

P. Torchio, 1973 .

The effects of field applications of Naled and Trichlorfon on the alfalfa leafcutting bee, Megachile rotundata (Fabricius)

P. Torchio, 1983 .

Use of Osmia lignaria propinqua (Hymenoptera: Megachilidae) as a mobile pollinator of orchard crops

P. Torchio, 1991 .

The biology of Perdita nuda and descriptions of its immature forms and those of its Sphecodes parasite (Hymenoptera: Apoidea)

P. Torchio, 1975 .

Temporal variability in the sex ratio of a non-social bee, Osmia liqnaria propinqua Cresson: Extrinsic determination or the tracking of an optimum?

P. Torchio, V. Tepedino, 1982 .

Phenotypic variability in nesting success among Osmia lignaria propinqua females in a glasshouse environment: (Hymenoptera: Megachilidae)

P. Torchio, V. Tepedino, V. J. TEPEDINO, 1982 .

Late embryogenesis and immature development of Osmia rufa cornigera (Rossi) (Hymenoptera : Megachilidae)

P. Torchio, R. W. Rust, G. Trostle, 1989 .

Biological Observations on Emphoropsis miserabilis (Cresson), with Comparative Notes on Other Anthophorids (Hymenoptera: Apoidea)

W. P. Stephen, W. Stephen, P. Torchio, 1961 .

In-nest biologies and development of immature stages of three Osmia species (Hymenoptera: Megachilidae)

P. Torchio, 1989 .

Field experiments with the pollinator species, Osmia lignaria propinqua Cresson in apple orchards: V, (1979-1980), methods of introducing bees, nesting success, seed counts, fruit yields (Hymenoptera: Megachilidae)

P. Torchio, 1985 .

The nesting biology of Hylaeus bisinuatus Forster and development of its immature forms (Hymenoptera: Colletidae)

P. Torchio, 1984 .

Bees as crop pollinators and the role of solitary species in changing environments

P. Torchio, 1991 .

Biological notes on the leaf-cutter bee, Megachile (Eutricharaea) rotundata (Fabricius)

W. P. Stephen, W. Stephen, P. Torchio, 1961 .

Comparative Notes on the Biology and Development of Epeolus compactus Cresson., a Cleptoparasite of Colletes kincaidii Cockerell (Hymenoptera: Anthophoridae, Colletidae)

P. Torchio, D. Burdick, 1988 .

RAPID COMMUNICATION HERITABILITY FOR SIZE IN THE MEGACHILID BEE OSMIA LIGNARIA PROPINQUA CRESSON

P. Torchio, V. Tepedino, R. Thompson, 1984 .

Field experiments with Osmia lignaria propinqua Cresson as a pollinator in almond orchards: III, 1977 studies (Hymenoptera: Megachilidae)

P. Torchio, 1981 .

Management of wild bees

P. Torchio, F. Parker, 1980 .

Osmia ribifloris, a Native Bee Species Developed as a Commercially Managed Pollinator of Highbush Blueberry (Hymenoptera: Megachilidae)

P. Torchio, 1990 .

The Nesting Biology of Colletes kincaidii Cockerell (Hymenoptera: Colletidae) and Development of Its Immature Forms

P. Torchio, G. Trostle, D. Burdick, 1988 .

Notes on the nesting biology and immature development of Euparagia scutellaris Cresson (Hymenoptera: Masaridae)

P. Torchio, G. T. Trostle, 1986 .

The ethology of the wasp, Pseudomasaris edwardsii (Cresson), and a description of its immature forms (Hymenoptera: Vespoidea, Masaridae)

P. Torchio, 1970, Contributions in science.

Biology, Immature Development, and Adaptive Behavior of Stelis montana, a Cleptoparasite of Osmia (Hymenoptera: Megachilidae)

P. Torchio, 1989 .

Utilization of Additional Species and Populations of Leafcutter Bees for Alfalfa Pollination

W. Nye, P. Torchio, F. Parker, 1976 .

Sapyga pumila Cresson, a Parasite of Megachile rotundata (F.) (Hymenoptera: Sapygidae; Megachilidae). II methods for control

P. Torchio, 1972 .

Biology of Dufourea and of its cleptoparasite

G. Bohart, P. Torchio, J. G. Rozen, 1967 .

Parsivoltinism in three species of Osmia bees

P. Torchio, V. Tepedino, 1982 .

Diversification of pollination strategies for U.S. crops

P. Torchio, 1990 .

Influence of Nest Hole Selection on Sex Ratio and Progeny Size in Osmia lignaria propinqua (Hymenoptera: Megachilidae)

P. Torchio, V. Tepedino, 1989 .

Effects of temperature and host developmental stage on Ascosphaera torchioi Youssef and McManus prevalence in Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae)

P. Torchio, R. Rust, 1992 .

Use of Osmia lignaria Say (Hymenoptera: Apoidea, Megachilidae) as a pollinator in an apple and prune orchard

P. Torchio, 1976 .

Notes on the biology of Emphoropsis pallida Timberlake

G. Bohart, P. Torchio, Y. Maeta, 1972 .

Notes on the Biology of Cadeguala occidentalis (Hymenoptera: Colletidae), and a Review of Colletid Pupae

P. Torchio, B. Burwell, 1987 .

Use of non-honey bee species as pollinators of crop

P. Torchio, 1987 .

Founding and Usurping: Equally Efficient Paths to Nesting Success in Osmia lignaria propinqua (Hymenoptera: Megachilidae)

P. Torchio, V. Tepedino, 1994 .

Field experiments with the pollinator species, Osmia lignaria propinqua Cresson (Hymenoptera: Megachilidae) in Apple Orchards: III, 1977 Studies

P. Torchio, 1984 .

Notes on the biology of Ancyloscelis armata Smith and comparisons with other Anthophorine bees (Hymenoptera: Anthophoridae)

P. Torchio, 1974 .

SEX RATIO, BODY SIZE AND SEASONALITY IN A SOLITARY BEE, OSMIA LIGNARIA PROPINQUA CRESSON (HYMENOPTERA: MEGACHILIDAE)

P. Torchio, V. Tepedino, V. J. Tepedino, 1980, Evolution; international journal of organic evolution.

Mechanisms involved in the pollination of Penstemon visited by the Masarid wasp, Pseudomasaris vespoides (Cresson) (Hymenoptera: Vespoidea)

P. Torchio, 1974 .

Introduction of the European Bee, Osmia cornuta, into California Almond Orchards (Hymenoptera: Megachilidae)

P. Torchio, R. Thorp, E. Asensio, 1987 .

Biology of Tricrania stansburyi, a Meloid Beetle Cleptoparasite of the Bee Osmia lignaria propinqua (Hymenoptera: Megachilidae)

J. Bosch, P. Torchio, 1992 .

Biological notes on Anthophora urbana urbana and its parasite, Xeromelecta californica (Hymenoptera: anthophoridae), including descriptions of late embryogenesis and hatching

P. Torchio, G. T. Trostle, 1986 .

The biology of Anthophora (Micranthophora) flexipes and its cleptoparasite, Zacosmia maculata, including a description of the immature stages of the parasite (Hymenoptera: Apoidea, Anthophoridae)

N. N. Youssef, P. Torchio, 1968 .

Description of the Larva and Pupa of Emphoropsis miserabilis (Cresson), and Comparisons with Other Anthophorids (Hymenoptera: Apoidea)

W. P. Stephen, P. Torchio, 1961 .

Biology of Duforea and of its Cleptoparasite, Neopasites (Hymenoptera: Apoidea)

G. Bohart, P. Torchio, J. G. Rozen, 1967 .

The present status and future prospects of non-social bees as crop pollinators

P. Torchio, 1994 .

The biology of Anthophora (Micranthophora) peritomae cockerel (Hymenoptera: Apoidea, Anthophoridae)

P. Torchio, 1971, Contributions in science.

Comparative nesting behavior and immature development of Megachile rotundata (Fabricius) and Megachile apicalis spinola (Hymenoptera: Megachilidae)

P. Torchio, G. T. Trostle, 1994 .

Sapyga pumila Cresson, a parasite of Megachile rotundata (F.) (Hymenoptera: Sapygidae; Megachilidae) I. Biology and description of immature stages II. Methods for control

P. Torchio, 1972 .

Effects of Spore Dosage and Temperature on Pathogenic Expressions of Chalkbrood Syndrome Caused by Ascosphaera torchioi within Larvae of Osmia lignaria propinqua (Hymenoptera: Megachilidae)

P. Torchio, 1992 .

Use of Osmia lignaria Say as a pollinator of caged almond in California

P. Torchio, 1979 .

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

P. Torchio, 1972 .