NDLI: Life history of the harlequin ladybird, Harmonia axyridis: a global meta-analysis

Content Provider	Springer Nature Link
Author	Raak van den Berg, C. Lidwien Hemerik, Lia Werf, Wopke Jong, Peter W. Lenteren, Joop C.
Copyright Year	2017
Abstract	The harlequin ladybird, Harmonia axyridis, is an important natural enemy of aphids throughout the world, but is now also considered an invasive alien species. We performed a meta-analysis of published life history data to address the question whether invading populations in Europe and North America have life history parameters that differ from native populations in Asia, explaining the beetle’s invasion success in new territories. In this meta-analysis, we accounted for important covariables that are often reported in published studies such as temperature, food source (aphids or eggs of Ephestia kuehniella), strain (laboratory or field populations) and photoperiod. Temperature was a key factor having consistent large effects on development rate, survival and reproductive characteristics of H. axyridis. Food source, strain, and photoperiod had effects on some, but not all characteristics, and their overall effect across characteristics was minor. Individuals of invasive populations had a shorter pre-oviposition period and higher fecundity at low temperatures than those of native populations, and a greater longevity across all temperatures. No differences in survival were found between native and invasive populations, while differences in development rate were not consistent, with opposing results obtained according to the way development rate was measured in trials reported in the literature. Results of this meta-analysis support the hypothesis that the life history of the beetle has changed during its invasion into North America and Europe. Invasive populations had a shorter pre-oviposition period and higher fecundity at low temperatures, as well as a greater longevity across all temperatures than native populations. These differences may partially explain the invasive success of H. axyridis.
Starting Page	283
Ending Page	296
Page Count	14
File Format	PDF
ISSN	13866141
Journal	BioControl
Volume Number	62
Issue Number	3
e-ISSN	15738248
Language	English
Publisher	Springer Netherlands
Publisher Date	2017-04-05
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Meta-analysis Invasive populations Harmonia axyridis Life history characteristics Temperature dependence Native area Coccinellid Entomology Plant Pathology Agriculture Animal Ecology Animal Biochemistry Behavioral Sciences
Content Type	Text
Resource Type	Article
Subject	Insect Science Agronomy and Crop Science

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