Polytene chromosomes, karyotype correlations, and population cytology of the primary screwworm fly von Dev, V, LaChance, L.E, Whitten, C.J

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The Operational Feasibility of Genetic Methods for Control of Insects of Medical and Veterinary Importance von Pal, R, LaChance, L E

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Mating Types in Screwworm Populations? von LaChance, L. E., Bartlett, A. C., Bram, R. A., Gagné, R. J., Graham, O. H., McInnis, D. O., Whitten, C. J., Seawright, J. A., Richardson, R. H., Ellison, J. R., Averhoff, W. W.

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Cytological identification of native and irradiated released screwworm flies [Cochliomyia hominivorax] in trap catches [Insect pests] von LaChance, L.E, Ruud, R.L

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The Effect of Chelation and X-Rays on Fecundity and Induced Dominant Lethals in Habrobracon von Lachance, Leo E.

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Effect of nitrogen on the competitiveness of irradiated Musca domestica von LaChance, L E, Richard, R D

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EMBRYONIC DEVELOPMENT IN HOUSE FLY EGGS FERTILIZED WITH GENETICALLY DEFICIENT SPERM von LaChance, Leo E, Richard, Robert D, Johnson, Odell A, Belich, Charmaine

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Spermiogenesis of eupyrene sperm in prepupae, pupae, and adults of Heliothis virescens (Lepidoptera: Noctuidae): an ultrastructural study von LaChance, L.E, Olstad, G

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Cytology of oögenesis in chemosterilized screw-worm flies, Cochliomyia hominivorax, as related to endomitosis in nurse cells von LaChance, L E, Leverich, A P

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Identification of sterile backcross Heliothis males in field collections von LaChance, L.E

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Spermiogenesis of Heliothis virescens (Lepidoptera: Noctuidae): an ultrastructure study of eupyrene sperm in sterile backcross males von LaChance, L.E, Olstad, G

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Chemosterilant studies on Bracon (Hymenoptera: Braconidae) sperm. I. Sperm inactivation and dominant lethal mutations von LaChance, L E, Leverich, A P

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Mutants and linkage groups of the screw-worm fly von LaChance, L E, Dawkins, C, Hopkins, D E

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Radiosensitivity of developing reproductive cells in female Cochliomyia hominivorax von LACHANCE, L E, LEVERICH, A P

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Hybrid sterility: eupyrene sperm production and abnormalities in the backcross generations of interspecific hybrids between Heliothis subflexa and H. virescens (Lepidoptera: Noctui... von LACHANCE, L. E

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Cytogenetic studies of screwworm (Diptera: Calliphoridae) populations from southern Mexico and Jamaica von LACHANCE, L. E, WHITTEN, C. J

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Polytene chromosomes of the screw-worm fly, Cochliomyia hominivorax von Dev, V, LaChance, L.E, Whitten, C.J

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Sterile Males for Control of Insect Populations von LaChance, Leo E.

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Enhancement of Radiation-induced Sterility in Insects by Pretreatment in CO2 + Air von LaChance, Leo E.

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Comparative effects of chemosterilants on spermatogenic stages in the house fly. II. Recovery of fertility and sperm transfer in successive matings after sterilization with 1,3-pro... von LaChance, L E, Degrugillier, M, Leverich, A P

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