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BibTeX
Voltinism of Diabrotica speciosa (Coleoptera: Chrysomelidae) in Argentina: latitudinal clines and implications for damage anticipation
Pest management science, 2013-11, Vol.69 (11), p.1272-1279
Cabrera Walsh, Guillermo
Sacco, Joaquín
Mattioli, Federico
2013
Volltextzugriff (PDF)
Details
Autor(en) / Beteiligte
Cabrera Walsh, Guillermo
Sacco, Joaquín
Mattioli, Federico
Titel
Voltinism of Diabrotica speciosa (Coleoptera: Chrysomelidae) in Argentina: latitudinal clines and implications for damage anticipation
Ist Teil von
Pest management science, 2013-11, Vol.69 (11), p.1272-1279
Ort / Verlag
Chichester, UK: John Wiley & Sons, Ltd
Erscheinungsjahr
2013
Quelle
Wiley-Blackwell Journals
Beschreibungen/Notizen
BACKGROUND: Diabrotica speciosa (Germar) is an important pest in South America. Both the adults and the larvae are polyphagous, and its most susceptible host is maize. Factors behind the appearance of adults in the field and geographical variations in voltinism are unknown. This hinders the chances of implementing rational control strategies. RESULTS: This study compiles field collection data from four agricultural regions of Argentina to examine the number of generations and phenology of D. speciosa in the field. These data are correlated with climatic data in order to provide evidence of regional variations and probable environmental causes for the appearance of adult generations in the field. Results indicate that temperature has an important role in the appearance of new generations in the temperate distribution areas of D. speciosa, but not within its subtropical range, where teneral adults appeared all year round. CONCLUSION: Results suggest that the emergence of adults may be elicited by weekly average temperatures above 13 °C. In the temperate distribution areas of D. speciosa there could be at least three generations a year, and in the subtropical region at least five. No obvious or discrete voltinism pattern could be observed for D. speciosa in southern South America. © 2013 Society of Chemical Industry
Sprache
Englisch
Identifikatoren
ISSN: 1526-498X
eISSN: 1526-4998
DOI: 10.1002/ps.3498
Titel-ID: cdi_proquest_miscellaneous_1654671748
Format
–
Schlagworte
adults
,
Altitude
,
Animals
,
Argentina
,
Biological and medical sciences
,
Chrysomelidae
,
Coleoptera
,
Coleoptera - physiology
,
Control
,
Corn
,
corn rootworms
,
Correlation analysis
,
data collection
,
Diabrotica
,
Diabrotica speciosa
,
Environment
,
Female
,
Fundamental and applied biological sciences. Psychology
,
insect development
,
larvae
,
Male
,
multivoltinism
,
pest
,
Pest control
,
pests
,
Phenology
,
Phytopathology. Animal pests. Plant and forest protection
,
Plant Diseases - parasitology
,
Protozoa. Invertebrates
,
subtropics
,
Temperature
,
Temperature distribution
,
Zea mays
,
Zea mays - parasitology
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