Hostname: page-component-586b7cd67f-vdxz6 Total loading time: 0 Render date: 2024-12-01T00:16:22.938Z Has data issue: false hasContentIssue false
  • English
  • Français

SIMULATION MODEL FOR THE POPULATION DYNAMICS OF THE CARROT WEEVIL, LISTRONOTUS OREGONENSIS (LECONTE) (COLEOPTERA: CURCULIONIDAE)

Published online by Cambridge University Press:  31 May 2012

D.X. Zhao ,
G. Boivin  and
R.K. Stewart
D.X. Zhao
Affiliation:
Department of Entomology, Macdonald College, Sainte-Anne-de-Bellevue, Québec, Canada H9X 1C0
G. Boivin
Affiliation:
Agriculture Canada Research Station, Saint-Jean-sur-Richelieu, Québec, Canada J3B 6Z8
R.K. Stewart
Affiliation:
Department of Entomology, Macdonald College, Sainte-Anne-de-Bellevue, Québec, Canada H9X 1C0
Get access Rights & Permissions [Opens in a new window]

Abstract

A simulation model was developed for the population dynamics of a carrot weevil, Listronotus oregonensis (LeConte), population on muck-grown carrots. The model includes mortality rates of eggs, larvae, and pupae for different sowing dates of carrots. It also incorporates the overwintered adult density, the temperature-dependent growth rates of the above-mentioned life stages, the age-, temperature-, and phenology-dependent oviposition rates, and the impact of an egg parasitoid, Anaphes sordidatus (Girault), on egg mortality rates. Model output was evaluated by comparing simulated results with observed results on the seasonal totals and time of population peaks of the egg and larval populations. The mean percentage differences between the simulated and observed seasonal egg totals were 3.1 ± 0.66 (SE) in 1987 and 1988, and 4.2 ± 0.05 in 1989. They were not statistically different. The mean percentage differences between the simulated and observed seasonal larval totals were 10 ± 3.33 in 1987 and 1988 and 29.8 ± 0.66 in 1989. Independent data sets (i.e. field data in 1989) showed a significant increase in the simulation error of the larval population. Sensitivity analysis indicated that A. sordidatus had a large influence on the population dynamics of L. oregonensis.

Résumé

Un modèle simulant la dynamique des populations du charançon de la carotte, Listronotus oregonensis (LeConte), en sol organique a été mis au point. Ce modèle utilise les taux de mortalité des oeufs, des larves et des pupes pour différentes dates de semis des carottes. Il utilise également la densité de population des adultes hivernants, le taux de croissance selon la température du charançon de la carotte, le taux d’oviposition selon l’âge, la température et la phénologie de la plante hôte ainsi que l’impact d’un parasitoïde des oeufs, Anaphes sordidatus (Girault), sur le taux de mortalité des oeufs du charançon de la carotte. Les résultats obtenus par le modèle ont été évalués en comparant des données simulées et observées pour les densités avec les pics de population d’oeufs et de larves. Les différences moyennes entre les populations prédites et réelles d’oeufs ont été de 3,1% (± 0,66) en 1987 et 1988 et de 4,2% (± 0,05) en 1989. Ces valeurs ne sont pas significativement différentes. Les différences moyennes entre les populations prédites et réelles de larves ont été de 10,0% (± 3,33) en 1987 et 1988 et de 29,8% (± 0,66) en 1989. Les données de champs indépendantes du modèle prises en 1989 ont démontré une augmentation significative de l’erreur dans l’estimé de la population larvaire. Des analyses de sensibilité ont indiqué que A. sordidatus a une influence importante sur la dynamique des populations de L. oregonensis.

Type
Articles
Information
The Canadian Entomologist , Volume 123 , Issue 1 , February 1991 , pp. 63 - 76
Copyright
Copyright © Entomological Society of Canada 1991

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

Baskerville, G.L., and Emin, P.. 1969. Rapid estimation of heat accumulation from maximum and minimum temperatures. Ecology 50: 514–517.Google Scholar
Baudoin, G., and Boivin, G.. 1985. Effets d'accouplements répétés sur l'oviposition du charançon de la carotte, Listronotus oregonensis (Coleoptera: Curculionidae) en laboratoire. Rev. Ent. Que. 30: 23–27.Google Scholar
Boivin, G. 1985. Evaluation of monitoring techniques for the carrot weevil, Listronotus oregonensis (Coleoptera: Curculionidae). Can. Ent. 117: 927–933.CrossRefGoogle Scholar
Boivin, G. 1986. Anaphes sordidatus (Girault) (Hymenoptera: Mymaridae), an egg parasite of the carrot weevil, Listronotus oregonensis (LeConte). Can. Ent. 118: 393–394.CrossRefGoogle Scholar
Boivin, G. 1988. Effects of carrot developmental stages on feeding and oviposition of carrot weevil, Listronotus oregonensis (LeConte) (Coleoptera: Curculionidae). Environ. Ent. 17: 330–336.CrossRefGoogle Scholar
Boivin, G., and Sauriol, P.. 1984. Réseau de lutte intégrée: programme de dépistage. Prod. Agric. 7(2): 20–21.Google Scholar
Collins, R.D., and Grafius, E.. 1986. Biology and life cycle of Anaphes sordidatus (Hymenoptera: Mymaridae), an egg parasitoid of the carrot weevil (Coleoptera: Curculionidae). Environ. Ent. 15: 100–105.CrossRefGoogle Scholar
Harris, H.M. 1926. A new carrot pest, with notes on its life history. J. econ. Ent. 19: 494–497.Google Scholar
Jorgensen, S.E. 1986. Fundamentals of Ecological Modeling. Elsevier, New York. 389 pp.Google Scholar
Martel, P., Svec, H.J., and Harris, C.R.. 1976. The life history of the carrot weevil, Listronotus oregonensis (Coleoptera: Curculionidae), under controlled conditions. Can. Ent. 108: 931–934.Google Scholar
Morris, R.F., and Miller, C.A.. 1954. The development of life tables for the spruce budworm. Can. J. Zool. 32: 283–301.Google Scholar
Royama, T. 1981. Evaluation of mortality factors in insect life table analysis. Ecol. Monogr. 51: 495–505.Google Scholar
Shaffer, P.L., and Gold, H.J.. 1985. A simulation model of population dynamics of the codling moth, Cydia pomonella. Ecol. Modelling 30: 247–274.Google Scholar
Simonet, D.E., and Davenport, B.L.. 1981. Temperature requirements for development and oviposition of the carrot weevil. Ann. ent. Soc. Am. 74: 312–315.Google Scholar
Southwood, T.R.E. 1978. Ecological Methods: With Particular Reference to the Study of Insect Population, 2nd ed. Chapman and Hall, New York. 524 pp.Google Scholar
Stevenson, A.B. 1976. Seasonal history of the carrot weevil, Listronotus oregonensis (Coleoptera: Curculionidae) in the Holland marsh, Ontario. Proc. ent. Soc. Ont. 107: 71–78.Google Scholar
Stevenson, A.B. 1986. Relationship between temperature and development of the carrot weevil, Listronotus oregonensis (LeConte) (Coleoptera: Curculionidae), in the laboratory. Can. Ent. 118: 1287–1290.Google Scholar
Whitcomb, W.D. 1965. The carrot weevil in Massachusetts: Biology and control. Univ. Mass. Agric. Exp. Stn. Bull. 550. 30 pp.Google Scholar
Zhao, D.X. 1990. Mathematical models for the population dynamics and management of the carrot weevil, Listronotus oregonensis (LeConte) (Coleoptera: Curculionidae). Ph.D. thesis, Department of Entomology, McGill University, Sainte-Anne-de-Bellevue, Québec. 236 pp.Google Scholar
Zhao, D.X., Boivin, G., and Stewart, R.K.. 1990. Consumption of carrot weevil, Listronotus oregonensis (Coleoptera: Curculionidae), by four species of carabids on host plant. Entomophaga 35: 1–4.CrossRefGoogle Scholar