Natural causes and rates of early larval mortality in gypsy moths (lepidoptera: lymantriidae) sampled from field populations in different density states

Environmental Entomology

Volumn 25, Issue 5, 1996, Pages 1002-1011

  Yerger, Ellen H ^a   Rossiter, Marycarol ^a,b  

^a PENNSYLVANIA STATE UNIVERSITY   (United States)

^b UNIVERSITY OF GEORGIA   (United States)

Author keywords

Density dependence; Entomophaga maimaiga fungus; Lymantria dispar; Nucleopolyhedrosis virus; Population dynamics; Population quality

Indexed keywords

EID: 0030499511     PISSN: 0046225X     EISSN: None     Source Type: Journal    
DOI: 10.1093/ee/25.5.1002     Document Type: Article

References (33)

1. Aoki, J., K. Yanase, T. Yanbe, and R. Koyama. 1976. Hibernation of resting spores of Entomophthora aulicae in egg masses of the gypsy moth, Porthetria dispar. J. Invertebr. Pathol. 27: 395-396
2. Andreadis, T. G., and R. M. Weseloh. 1990. Discovery of Entomophaga maimaiga in North American gypsy moth, Lymantria dispar. Proc. Natl. Acad. Sci. U.S.A. 87: 2461-2465.
3. Doane, C. C. 1967. Bioassay of nuclear polyhedrosis virus against larval instars of the gypsy moth. J. Invertebr. Pathol. 9: 376-386.
4. 1970. Primary pathogens and their role in the development of an epizootic in the gypsy moth. J. Invertebr. Pathol. 15: 21-23.
5. 1976. Ecology of pathogens of the gypsy moth, pp. 285-293. In J. F. Anderson and H. K. Kaya [eds.], Perspectives in forest entomology. Academic, New York.
6. Doane, C. C., and M. L. McManus [eds.]. 1981. The gypsy moth: research toward integrated pest management. USDA-APHIS Tech. Bull. 1584.
7. Elkinton, J. S., A. E. Hajek, G. H. Boettner, and E. E. Simons. 1991. Distribution and apparent spread of Entomophaga maimaiga (Zygomycetes: Entomophthorales) in gypsy moth (Lepidoptera: Lymantriidae) populations in North America. Environ. Entomol. 20: 1601-1605.
8. Etter, D. O. 1981. Pest management systems of development, pp. 716-725. In C. C. Doane and M. L. McManus [eds.], The gypsy moth: research toward integrated pest management. USDA-APHIS Tech. Bull 1584.
9. Forbush, E. H. and C. H. Fernald. 1896. The gypsy moth. Wright and Potter, Boston.
10. Fuxa, J. R., and Y. Tanada. 1987. Epizootiology of insect diseases. Wiley, New York.
11. Glaser, M. 1915. Wilt of gipsy-moth caterpillars. J. Agric. Res. 4: 101-128.
12. Hajek, A. E., and D. W. Roberts. 1991. Pathogen reservoirs as a biological control resource: Introduction of Entomophaga maimaiga to North American gypsy moth, Lymantria dispar, populations. BioControl 1:29-34.
13. 1992. Field diagnosis of gypsy moth (Lepidoptera: Lymantriidae) larval mortality caused by Entomophaga maimaiga and the gypsy moth nuclear polyhedrosis virus. Environ. Entomol. 21: 706-713.
14. Hajek, A. E., R. A. Humber, J. S. Elkinton, B. May, S. R. A. Walsh, and J. C. Silver. 1990a. Allozyme and restriction fragment length polymorphism analyses confirm Entomophaga maimaiga responsible for 1989 epizootics in North American gypsy moth populations. Proc. Natl. Acad. Sci. U.S.A. 87: 6979-6982.
15. Hajek, A. E., R. I. Carruthers, and R. S. Soper. 1990b. Temperature and moisture relations of sporulation and germination by Entomophaga maimaiga (Zygomycetes: Entomophthorales), a fungal pathogen of Lymantria dispar (Lepidoptera: Lymantriidae). Environ. Entomol. 19: 85-90.
16. Hajek, A. E., R. A. Humber, and J. S. Elkinton. 1995. Mysterious origin of Entomophaga maimaiga in North America. Am. Entomol. 31-42.
17. Keating, S. T., J. C. Schultz, and W. G. Yendol. 1990. The effect of diet on gypsy moth (Lymantria dispar) larval midgut pH, an its relationship with larval susceptibility to a baculovirus. J. Invertebr. Pathol. 56: 317-326.
18. Keating, S. T., J. S. Elkinton, J. P. Burand, J. D. Podgwaite, and C. S. Ferguson. 1991. Field evaluation of a DNA hybridization assay for nuclear polyhedrosis virus in gypsy moth (Lepidoptera: Lymantriidae) larvae. J. Econ. Entomol. 84: 1329-1333.
19. Leonard, D. E. 1974. Recent developments in ecology and control of the gypsy moth. Annu. Rev. Entomol. 19: 197-229.
20. McManus, M. L., and T. McIntyre. 1981. Introduction, pp. 1-7. In C. C. Doane and M. L. McManus [eds.], The gypsy moth: research toward integrated pest management. USDA-APHIS Tech. Bull. 1584.
21. Murray, K. D., and J. S. Elkinton. 1989. Environmental contamination of egg masses as a major component of transgenerational transmission of gypsy moth nuclear polyhedrosis virus (LdNPV). J. Invertebr. Pathol. 53: 324-334.
22. ODell, T. M., and W. Rollinson. 1966. A technique for rearing the gypsy moth on an artificial diet. J Econ. Entomol. 59: 741-742.
23. Price, P. W., N. Cobb, T. P. Craig, G. W. Fernandes, J. K. Itami, S. Mopper, and R. W. Preszler. 1990. Insect herbivore population dynamics on trees and shrubs: new approaches relevant to latent and eruptive species and life table development, pp. 1-38. In E A. Bernays [ed.], Insect-plant interactions, vol 2. CRC, Boca Raton, FL.
24. Reardon, R., and A. E. Hajek. 1993. Entomophaga maimaiga in North America: a review. Appalachian Integrated Pest Management Technology Transfer, NA-TP-15-93. Northeastern Area Forest Health Protection, USDA Forest Service, Morgantown, WV.
25. Rossiter, M. C. 1987. Use of secondary hosts by nonoutbreak populations of the gypsy moth. Ecology 68: 857-868.
26. 1992. The impact of resource variation on population quality in herbivorous insects: a critical component of population dynamics, pp. 13-42. In M. D. Hunter, T. Ohgushi, and P. W. Price [eds.], Resource distribution and animal-plant interactions. Academic, San Diego.
27. 1994. Maternal effects hypothesis of herbivore outbreak. BioScience 44: 752-763.
28. Shimazu, M., and R. S. Soper. 1986. Pathogenicity and sporulation of Entomophaga maimaiga Humber, Shimazu,Soper and Hajek (Entomophthorales: Entomophthoraceae) on larvae of the gypsy moth, Lymantria dispar (Lepidoptera. Lymantriidae). Appl. Entomol. Zool. 21: 589-596.
29. Sokal, R. R. and F. J. Rohlf. 1981. Biometry, 2nd ed. Freeman, San Francisco.
30. Soper, R. S., M. Shimazu, R. A. Humber, M. E. Ramos, and A. E. Hajek. 1988. Isolation and characterization of Entomophaga maimaiga sp. nov., a fungal pathogen of gypsy moth, Lymantria dispar, from Japan. J. Invertebr. Pathol. 51: 229-241.
31. Weseloh, R. M., and T. G, Andreadis. 1992. Epizootiology of the fungus Entomophaga maimaiga, and its impact on gypsy moth populations. J. Invertebr. Pathol. 59: 133-141.
32. Woods, S. A., and J. S. Elkinton. 1987. Bimodal patterns of mortality from nuclear polyhedrosis virus in gypsy moth (Lymantria dispar) populations. J. Invertebr. Pathol. 50: 151-157.
33. Woods, S. A., J. S. Elkinton, K. D. Murray, A. M. Liebhold, J. R. Gould, and J. D. Podgwaite. 1991. Transmission dynamics of a nuclear polyhedrosis virus and predicting mortality in gypsy moth (Lepidoptera: Lymantriidae) populations. J. Economic Entomol. 84: 423-430.