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Fitness of two phenotypes of Harmonia axyridis (Coleoptera: Coccinellidae)
It is suggested that a genotype that confers a specific pattern of elytra could also confer other specific autecological attributes, such as longevity and reproductive capacity, that could affect its fitness. Expand
Influence of prey quality on the fitness of two phenotypes of Harmonia axyridis adults
Differences in the suitability of A. fabae and M. persicae for the two phenotypes of the predator suggests that either differences occur in the nutritive requirements of the predators, or in the nutritious value of the two prey species. Expand
Effect of Temperature and Intraspecific Allometry on Predation by Two Phenotypes of Harmonia axyridis Pallas (Coleoptera: Coccinellidae)
Temperature is a limiting factor to larval and adult relative consumption rate and predation activity of fourth instars and adults of aulica and nigra phenotypes were compared, and body size and shape could explain the differences observed. Expand
Dietary self‐selection behaviour by the adults of the aphidophagous ladybeetle Harmonia axyridis (Coleoptera: Coccinellidae)
The results suggest that H. axyridis present self-selection behaviour because they agree with the basic criteria of Waldbauer and Friedman's self- selection, i.e. the animal's choice of food or nutrients is non-random, and the coccinellid benefits from self-selecting. Expand
Encarsia citrina (Crawford) (Hymenoptera, Aphelinidae), a parasitoid of Unaspis citri (Comstock) and Lepidosaphes beckii (Newman) (Homoptera, Diaspididae) in citrus orchards of Sao Miguel island…
The highest flight activity and oviposition occurs in spring and summer and active parasitism on U. citri is lower in summer and relatively high in the remaining seasons, while in L. beckii, summer and spring are seasons of high parasitic activity. Expand
A contribution to data on Mite Fauna in the Azores Islands.
[Natural and artificial production of bacteria from molds and yeasts].
- H. Schanderl
- Biology, Medicine