Roger A. Leopold

Biosciences Research Laboratory, USDA-ARS State University Station, Fargo, ND 58105, U.S.A.

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Papers45 papers

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Effect of cryopreservation on the pre-hatching behavior in the Mexican fruit fly Anastrepha ludens Loew (Diptera, Tephritidae)

Arun Rajamohan,Joseph P Rinehart,Roger A Leopold

Cryobiology, (2017): 38-42

Cited by2WOSBibtex

Cryopreservation of insect germplasm

Roger A Leopold

Cryobiology, no. 3 (2011): 314

Bibtex

Cryopreservation of insect germplasm

Roger A Leopold

Cryobiology, no. 3 (2011): 314

Bibtex

120. Cryopreservation of the lepidopteran, Pectinophora gossypiella: Complexities in developing a permeabilization procedure

Arun Rajamohan,Joseph P Rinehart,R A Leopold

Cryobiology, (2011)

Cited by1Bibtex

Quality Testing of Three Species of Tephritid Fruit Flies After Embryo Cryopreservation

Roger A. Leopold,Arun Rajamohan,Todd E. Shelly,Alfred M. Handler

ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA, no. 2 (2010): 264-272

Bibtex

Cold storage effects on maternal and progeny quality of Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae)

Wenlong Chen,Roger A Leopold,Marion O Harris

Biological Control, no. 2 (2008): 122-132

Cited by21Bibtex

160. The latent expression of chilling injury in the F1 progeny of the parasitic wasp, Gonatocerus ashmeadi

Roger A. Leopold,Wenlong Chen

Cryobiology, no. 3 (2007): 376-377

Cited by1EIBibtex

Development and Reproduction of the Egg Parasitoid,Gonatocerus ashmeadiGirault (Hymenoptera: Mymaridae), as a Function of Temperature

Wen-long Chen,Roger A. Leopold,David J. W. Morgan,Marion O. Harris

Environmental Entomology, no. 5 (2006): 1178-1187

Cited by12Bibtex

Parasitism of the glassy-winged sharpshooter, Homalodisca coagulata (Homoptera: Cicadellidae): Functional response and superparasitism by Gonatocerus ashmeadi (Hymenoptera: Mymaridae)

W L Chen,Roger A Leopold,Marion O Harris

Biological Control, no. 1 (2006): 119-129

Cited by24Bibtex

Composition of the surface hydrocarbons from the vitelline membranes of dipteran embryos

Dennis R. Nelson,Roger A. Leopold

Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology, no. 2 (2003): 295-308

Cited by9EIWOSBibtex

Mouthpart morphology and stylet penetration of host plants by the glassy-winged sharpshooter, Homalodisca coagulata, (Homoptera: Cicadellidae)

Roger A Leopold,Thomas P Freeman,James S Buckner,Dennis R Nelson

Arthropod Structure & Development, no. 2 (2003): 189-199

Cited by34EIWOSBibtex

Cryopreservation of New World Screwworm Embryos

Dennis R Berkebile,Roger A Leopold,Jan Chirico, Wen Wang

(2002)

Bibtex

Ultrastructure of Glassy-winged Sharpshooter Mouthparts and Salivary Sheaths

Thomas P Freeman,Roger A Leopold,James S Buckner,Dennis R Nelson

Microscopy and Microanalysis, (2002)

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Short-Term Cold Storage of House Fly (Diptera: Muscidae) Embryos: Survival and Quality of Subsequent Stages

Roger A. Leopold

ANNALS OF THE ENTOMOLOGICAL SOCIETY OF AMERICA, no. 4 (2000): 884-889

Cited by4Bibtex

Post Pupariation Cold Storage of Three Species of Flies: Increasing Chilling Tolerance by Acclimation and Recurrent Recovery Periods

Roger A. Leopold,Robert R. Rojas,Peter W. Atkinson

Cryobiology, no. 3 (1998): 213-224

Cited by42EIWOSBibtex

Electroporation as an Alternative to Microinjection of Plasmid Dna into Bollworm (Lepidoptera: Noctuidae) Embryos

Roger A Leopold,O A Johnson,J D Devault,K J Hughes,S K Narang

Annals of The Entomological Society of America, (1997)

Bibtex

Chilling Injury in the Housefly: Evidence for the Role of Oxidative Stress between Pupariation and Emergence

Robert R. Rojas,Roger A. Leopold

Cryobiology, no. 4 (1996): 447-458

EIBibtex

Genetically altering insects: promise, prospects and limitations

K J Hughes, Sandeep K Narang,Roger A Leopold, O A Johnson, J D Devault, Thomas M Brown

(1996): 221-228

Bibtex

Biochemistry and physiology of overwintering in the mature larva of the sunflower stem weevil, Cylindrocopturus adspersus (Coleoptera: Curculionidae) in the Northern Great Plains

Robert R. Rojas,Laurence D. Charlet,Roger A. Leopold

Journal of Insect Physiology, no. 3 (1994): 201-205

Cited by10EIBibtex

Temporal expression of ornithine decarboxylase in developing embryos of Musca domestica

R B Sparks, David Vaske,Stan L Lilleberg,R A Leopold

Archives of Insect Biochemistry and Physiology, (1991)

Cited by5Bibtex

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