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Phenology and demography of Homalodisca coagulata (Hemiptera: Cicadellidae) in southern California citrus and implications for management

Published online by Cambridge University Press:  09 March 2007

S.J. Castle ,
S.E. Naranjo ,
J.L. Bi ,
F.J. Byrne  and
N.C. Toscano
S.J. Castle*
Affiliation:
USDA–ARS Western Cotton Laboratory, 4135 East Broadway Road, Phoenix, AZ 85040, USA
S.E. Naranjo
Affiliation:
USDA–ARS Western Cotton Laboratory, 4135 East Broadway Road, Phoenix, AZ 85040, USA
J.L. Bi
Affiliation:
University of California, Riverside, CA 92521, USA
F.J. Byrne
Affiliation:
University of California, Riverside, CA 92521, USA
N.C. Toscano
Affiliation:
University of California, Riverside, CA 92521, USA
*
*Fax: (602) 437 1274 E-mail: scastle@wcrl.ars.usda.gov
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Abstract

Populations of Homalodisca coagulata (Say) were sampled from citrus orchards in southern California, USA to characterize and quantify seasonal occurrences of nymphs and adults with the goal of identifying management opportunities through well-timed treatments and/or natural enemy releases. Higher densities of H. coagulata in 2001 contributed to a complete seasonal profile that began in early spring with the emergence of first instar nymphs and their progression through five nymphal instars lasting until mid-August. Adult emergence began in mid-June with peak adult densities attained from mid to late August followed by a gradual decline through autumn. A persistent and significant male bias was observed in the adult sex ratio from the time of first emergence through mid-October in oranges; the same trend was present in lemons, but with more variability. Adult densities gradually declined through the winter months into the following spring before rapidly increasing again in June as the 2002 spring generation of nymphs began emerging as adults. The seasonal timing of nymphs and adults in 2002 was nearly identical to that observed the previous year. Phenology data from both years were incorporated into a stochastic, temperature-dependent model that predicts the occurrences of H. coagulata stages through time. Applications of imidacloprid early in the spring generation of nymphs proved very effective at reducing nymphs and sustaining lower densities of adults through summer.

Keywords

citrusUSAHomalodisca coagulataimidaclopridcontrolseasonal dynamicssex ratiophenology
Type
Research Article
Information
Bulletin of Entomological Research , Volume 95 , Issue 6 , December 2005 , pp. 621 - 634
Copyright
Copyright © Cambridge University Press 2005

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References

Al-Wahaibi, A.K. –, Morse, J.G. (2003) Homalodisca coagulata (Hemiptera: Cicadellidae) embryonic development at constant temperatures. Florida Entomologist 86, 477–478CrossRefGoogle Scholar
Allen, J.C. (1976) A modified sine wave method for calculating degree days. Environmental Entomology 5, 388–396CrossRefGoogle Scholar
Anderson, R.M. (1981) Population dynamics of indirectly transmitted disease agents: the vector component. pp. 13–43 in McKelvey, J.J., Eldridge, B.F., Maramorosch, K. (Eds) Vectors of disease agents. New York, Praeger Scientific.Google Scholar
Anderson, P.C., Brodbeck, B.V. & Mizell, R.F. III (1992) Feeding by the leafhopper, Homalodisca coagulata, in relation to xylem fluid chemistry and tension. Journal of Insect Physiology 38, 611–622CrossRefGoogle Scholar
Almeida, R.P.P. & Purcell, A.H. (2003) Transmission of Xylella fastidiosa to grapevines by Homalodisca coagulata (Hemiptera: Cicadellidae). Journal of Economic Entomology 96, 264–271CrossRefGoogle ScholarPubMed
Bi, J.L., Castle, S.J., Byrne, F.J., Tuan, S.J. & Toscano, N.C. (2005) Influence of seasonal nitrogen nutrition fluctuations in orange and lemon trees on population dynamics of the glassy-winged sharpshooter (Homalodisca coagulata). Journal of Chemical Ecology 31, 2289–2308.CrossRefGoogle ScholarPubMed
Blua, M.J., Phillips, P.A. & Redak, R.A. (1999) A new sharpshooter threatens both crops and ornamentals. California Agriculture 53, 22–25CrossRefGoogle Scholar
Brodbeck, B.V., Mizell, R.F. III, French, W.J., Andersen, P.C. & Aldrich, J.H. (1990) Amino acids as determinants of host preference for the xylem feeding leafhopper, Homalodisca coagulata (Homoptera: Cicadellidae). Oecologia 83, 338–345CrossRefGoogle ScholarPubMed
Brodbeck, B.V., Anderson, P.C. & Mizell, R.F. III (1995) Differential utilization of nutrients during development by the xylophagous leafhopper, Homalodisca coagulata. Entomologia Experimentalis et Applicata 75, 279–289CrossRefGoogle Scholar
Castle, S.J., Byrne, F.J., Bi, J.L. & Toscano, N.C. (2005) Spatial and temporal distribution of imidacloprid and thiamethoxam in citrus and impact on Homalodisca coagulata (Say) populations. Pest Management Science 61, 75–84CrossRefGoogle Scholar
Dennis, B., Kemp, W.P. (1988) Further statistical inference methods for a stochastic model of insect phenology. Environmental Entomology 17, 887–893CrossRefGoogle Scholar
Dennis, B., Kemp, W.P. & Beckwith, R.C. (1986) Stochastic model of insect phenology: estimation and testing. Environmental Entomology 15, 540–546CrossRefGoogle Scholar
Ellsworth, P.C. & Martinez-Carrillo, J.L. (2001) IPM for Bemisia tabaci: a case study from North America. Crop Protection 20, 853–869CrossRefGoogle Scholar
Ellsworth, P.C. &, Naranjo, S.E. (1999) Whitefly management with insect growth regulators and the influence of Lygus controls. pp. 339–354inCotton – A College of Agriculture report Cooperative Extension, University of Arizona, Tucson, Series P-116.Google Scholar
Fitt, G.P. (1994) Cotton pest management: Part 3. An Australian perspective. Annual Review of Entomology 39, 543–562CrossRefGoogle Scholar
Hare, J.D. (1990) Ecology and management of the Colorado potato beetle. Annual Review of Entomology 35, 81–100CrossRefGoogle Scholar
Hix, R.L. (2001) Egg-laying and brochosome production observed in glassy-winged sharpshooter. California Agriculture 55, 19–22CrossRefGoogle Scholar
Hoddle, M. (2004) Realized lifetime parasitism and the influence of brochosomes on field parasitism rates of glassy-winged sharpshooter egg masses by Gonatocerus ashmeadi. pp. 334–335inProceedings of the Pierce's Disease Research Symposium, December 7–10, 2004, San Diego, California.Google Scholar
Hogg, D.B. (1985) Potato leafhopper (Homoptera: Cicadellidae) immature development, life tables, and population dynamics under fluctuating temperature regimes. Environmental Entomology 14, 349–355CrossRefGoogle Scholar
Jones, P.N. & Carberry, P.S. (1994) A technique to develop and validate simulation models. Agricultural Systems 46, 427–442CrossRefGoogle Scholar
Phillips, P.A. (1998) The glassy-winged sharpshooter: a potential threat to California citrus. Citrograph 83, 10–12Google Scholar
Purcell, A.H., Saunders, S.R., Hendson, M., Grebus, M.E. & Henry, M.J. (1999) Causal role of Xylella fastidiosa in oleander leaf scorch disease. Phytopathology 89, 53–58CrossRefGoogle ScholarPubMed
Purcell, A.H. & Saunders, S.R. (1999) Glassy winged sharpshooters expected to increase plant disease. California Agriculture 53, 26–27CrossRefGoogle Scholar
Sedlacek, J.D, Yeargan, K.V. & Freytag, P.H. (1990) Effect of temperature on the development of the blackfaced leafhopper (Homoptera: Cicadellidae). Environmental Entomology 19, 209–214CrossRefGoogle Scholar
Shelton, A.M., Nyrop, J.P., Seaman, A. & Foster, R.E. (1986) Distribution of European corn borer (Lepidoptera: Pyralidae) egg masses and larvae on sweet corn in New York. Environmental Entomology 15, 501–506CrossRefGoogle Scholar
Torres-Vila, L.M., Rodriguez-Molina, M.C., Lacasa-Plasencia, A. (2003) Impact of Helicoverpa armigera larval density and crop phenology on yield and quality losses in processing tomato: developing fruit count-based damage thresholds for IPM decision-making. Crop Protection 22, 521–532CrossRefGoogle Scholar
Triapitsyn, S.V. & Phillips, P.A. (2000) First record of Gonatocerus triguttatus (Hymenoptera: Mymaridae) from eggs of Homalodisca coagulata (Homoptera: Cicadellidae) with notes on the distribution of the host. Florida Entomologist 83, 200–203CrossRefGoogle Scholar
Triapitsyn, S.V., Mizell, R.F. III, Bossart, J.L. & Carlton, C.E. (1998) Egg parasitoids of Homalodisca coagulata (Homoptera: Cicadellidae). Florida Entomologist 81, 241–243CrossRefGoogle Scholar