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Université de Fribourg

Structural diversity with varying disorder enables the multicolored display in the longhorn beetle Sulawesiella rafaelae

Bermúdez-Ureña, Esteban ; Kilchoer, Cédric ; Lord, Nathan P. ; Steiner, Ullrich ; Wilts, Bodo

In: iScience, 2020, vol. 23, no. 7, p. -

Light control through layered photonic nanostructures enables the strikingly colored displays of many beetles, birds, and butterflies. To achieve different reflected colors, natural organisms mainly rely on refractive index variations or scaling of a fixed structure design, as opposed to varying the type of structure. Here, we describe the presence of distinct coloration mechanisms in the...

Université de Fribourg

Isolation of 12 polymorphic tetranucleotide microsatellite markers of the leaf beetle Ophraella communa, a promising Ambrosia biocontrol agent also in Europe

Bordeyne, François ; Müller-Schärer, Heinz ; Bouchemousse, Sarah

In: Biocontrol Science and Technology, 2019, p. 1–8

Following its first record in Europe in 2013, the North American ragweed leaf beetle Ophraella communa, used already as a most successful biocontrol agent against common ragweed in China, is spreading rapidly, asking for a detailed analysis of the potential benefit and risk of this introduction for Europe. Here, we report twelve specific and polymorphic tetranucleotide microsatellite markers,...