Dynamics of Preimaginal populations of Bemisia tabaci (Homoptera: Aleyrodidae) and Eretmocerus sp. (Hymenoptera: Aphelinidae) in southern California cotton

Immature populations of sweetpotato whitefly, Bemisia tabaci (Gennadius), were sampled in cotton fields in southern California; three fields were sampled in 1982; five fields were sampled in 1983. Population densities varied from 0 to 20 nymphs per mainstem node. Young nymphs represented approximate...

Ausführliche Beschreibung

Gespeichert in:

Bibliographische Detailangaben
Veröffentlicht in:	Environmental entomology 1988-06, Vol.17 (3), p.483-487
Hauptverfasser:	Bellows, T.S. Jr, Arakawa, K
Format:	Artikel
Sprache:	eng
Schlagworte:	Aleyrodidae Animal and plant ecology Animal, plant and microbial ecology Animals Aphelinidae Autoecology BEMISIA Bemisia tabaci Biological and medical sciences CALIFORNIA CALIFORNIE CONTROL BIOLOGICO Demecology DINAMICA DE LA POBLACION DYNAMIQUE DES POPULATIONS Eretmocerus Fundamental and applied biological sciences. Psychology HYMENOPTERA INSECTE NUISIBLE INSECTOS DANINOS LUTTE BIOLOGIQUE PARASITE PARASITOS Protozoa. Invertebrata
Online-Zugang:	Volltext
Tags:	Tag hinzufügen Keine Tags, Fügen Sie den ersten Tag hinzu!

Beschreibung
Zusammenfassung:	Immature populations of sweetpotato whitefly, Bemisia tabaci (Gennadius), were sampled in cotton fields in southern California; three fields were sampled in 1982; five fields were sampled in 1983. Population densities varied from 0 to 20 nymphs per mainstem node. Young nymphs represented approximately half the population early in the season, but the proportion of young nymphs decreased to zero late in the season. Populations were subject to little parasitism by Eretmocerus sp. in the first half of the season; parasitism increased to about 70% in the second half of the season
ISSN:	0046-225X 1938-2936
DOI:	10.1093/ee/17.3.483