Search Results - "Morgan, David J. W"

Refine Results
  1. 1

    The Effects of Constant and Fluctuating Temperatures on Development of Diaphorina citri (Hemiptera: Liviidae), the Asian Citrus Psyllid by Milosavljević, Ivan, McCalla, Kelsey A, Morgan, David J. W, Hoddle, Mark S

    Published in Journal of economic entomology (06-04-2020)
    “…The effects of six average daily temperatures, 15, 20, 25, 30, 32, and 35°C, that were either constant or fluctuating over 24 h on development times of…”
    Get full text
    Journal Article
  2. 2
  3. 3

    Spatiotemporal colonization of Xylella fastidiosa in its vector supports the role of egestion in the inoculation mechanism of foregut-borne plant pathogens by Backus, Elaine A, Morgan, David J.W

    Published in Phytopathology (01-08-2011)
    “…The pathogen that causes Pierce's disease of grapevine, Xylella fastidiosa, is the only known bacterial, arthropod-transmitted plant pathogen that does not…”
    Get full text
    Journal Article
  4. 4

    Estimation of Feeding Threshold for Homalodisca vitripennis (Hemiptera: Cicadellidae) and Its Application to Prediction of Overwintering Mortality by Son, Youngsoo, Groves, Russell L, Daane, Kent M, Morgan, David J. W, Krugner, Rodrigo, Johnson, Marshall W

    Published in Environmental entomology (01-08-2010)
    “…The glassy-winged sharpshooter, Homalodisca vitripennis (Germar), vectors the bacterium Xylella fastidiosa that induces Pierce's disease of grape. This study…”
    Get full text
    Journal Article
  5. 5

    Influences of Temperature on Homalodisca vitripennis (Hemiptera: Cicadellidae) Survival Under Various Feeding Conditions by Son, Youngsoo, Groves, Russell L, Daane, Kent M, Morgan, David J. W, Johnson, Marshall W

    Published in Environmental entomology (01-10-2009)
    “…Survival of the glassy-winged sharpshooter, Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae), was studied under various constant temperatures and…”
    Get full text
    Journal Article
  6. 6

    Chemical conspicuousness of an herbivore to its natural enemy: effect of feeding site selection by Hare, J.D, Morgan, D.J.W

    Published in Ecology (Durham) (01-02-2000)
    “…A physical refuge from the parasitoid Aphytis melinus is provided to the California red scale Aonidiella aurantii by the interior bark substrates of citrus…”
    Get full text
    Journal Article
  7. 7

    DISTRIBUTION AND PLANT ASSOCIATION RECORDS FOR HOMALODISCA COAGULATA (HEMIPTERA: CICADELLIDAE) IN FLORIDA by Hoddle, Mark S., Triapitsyn, Serguei V., Morgan, David J. W.

    Published in The Florida entomologist (01-03-2003)
    “…Information from identification receipt vouchers prepared by the Florida State Collection of Arthropods, Bureau of Entomology, Florida Department of…”
    Get full text
    Journal Article
  8. 8

    Estimation of developmental parameters for adult emergence of Gonatocerus morgani, a novel egg parasitoid of the glassy-winged sharpshooter, and development of a degree-day model by Son, Youngsoo, Nadel, Hannah, Baek, Sunghoon, Johnson, Marshall W., Morgan, David J.W.

    Published in Biological control (01-03-2012)
    “…[Display omitted] ► Optimal temperature for Gonatocerus morgani development is 29.22°C. ► The upper threshold for G. morgani development is 33.49°C. ►…”
    Get full text
    Journal Article
  9. 9

    Production of Anagrus epos Girault (Hymenoptera: Mymaridae) on Homalodisca vitripennis (Germar) (Hemiptera: Cicadellidae) eggs by Krugner, Rodrigo, Johnson, Marshall W., Morgan, David J.W., Morse, Joseph G.

    Published in Biological control (01-10-2009)
    “…Anagrus epos Girault (Hymenoptera: Mymaridae) is a natural enemy candidate for a classical biological control program targeting the glassy-winged sharpshooter…”
    Get full text
    Journal Article
  10. 10

    Evaluation of Molecular Markers for Discriminating Gonatocerus morrilli (Hymenoptera: Mymaridae): A Biological Control Agent for Homalodisca vitripennis by De León, Jesse H, Morgan, David J. W

    “…We tested the utility of molecular markers for distinguishing between two closely related species, Gonatocerus morrilli (Howard) and Gonatocerus walkerjonesi…”
    Get full text
    Journal Article
  11. 11

    Population Genetic Structure of Homalodisca coagulata (Homoptera: Cicadellidae), the Vector of the Bacterium Xylella fastidiosa Causing Pierce’s Disease in Grapevines by de León, Jesse H, Jones, Walker A, Morgan, David J. W

    “…In the current study, inter-simple sequence repeat (ISSR) primers (p-13 and p-15) were used to estimate the population genetic structure of the sharpshooter…”
    Get full text
    Journal Article
  12. 12

    Density dependent mortality, climate, and Argentine ants affect population dynamics of an invasive citrus pest, Diaphorina citri, and its specialist parasitoid, Tamarixia radiata, in Southern California, USA by Milosavljević, Ivan, Morgan, David J.W., Massie, Rachael E., Hoddle, Mark S.

    Published in Biological control (01-08-2021)
    “…•Highest D. citri densities were found in intermediate and coastal regions.•Parasitism rates averaged 25% with lag density-dependent parasitism being…”
    Get full text
    Journal Article
  13. 13

    Molecular distinction between populations of Gonatocerus morrilli, egg parasitoids of the glassy-winged sharpshooter from Texas and California: Do cryptic species exist? by de León, Jesse H., Jones, Walker A., Morgan, David J. W.

    Published in Journal of Insect Science (03-12-2004)
    “…Two molecular methods were utilized to distinguish geographic populations of Gonatocerus morrilli (Howard) from Texas and California and to test the…”
    Get full text
    Journal Article
  14. 14

    Molecular distinction between populations of Gonatocerus morrilli, egg parasitoids of the glassy-winged sharpshooter from Texas and California: Do cryptic species exist? by León, Jesse H. de, Jones, Walker A., Morgan, David J. W.

    Published in Journal of insect science (Tucson, Ariz.) (01-01-2004)
    “…Two molecular methods were utilized to distinguish geographic populations of Gonatocerus morrilli (Howard) from Texas and California and to test the…”
    Get full text
    Journal Article
  15. 15

    Extremely Precise Sex Ratios in Small Clutches of a Bethylid Wasp by David J. W. Morgan, Cook, James M.

    Published in Oikos (01-12-1994)
    “…When mating occurs amongst siblings, before their dispersal from the natal patch, natural selection favours a highly female-biased mean sex ratio and females…”
    Get full text
    Journal Article
  16. 16
  17. 17
  18. 18

    Development and Reproduction of the Egg Parasitoid, Gonatocerus ashmeadi Girault (Hymenoptera: Mymaridae), as a Function of Temperature by Chen, Wen-long, Leopold, Roger A., Morgan, David J. W., Harris, Marion O.

    Published in Environmental entomology (01-10-2006)
    “…The development, fecundity, and life table parameters of Gonatocerus ashmeadi Girault, an egg parasitoid of the glassy-winged sharpshooter, Homalodisca…”
    Get full text
    Journal Article
  19. 19
  20. 20