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Intergovernmental Grants as Signals and the Alignment Effect: Theory and Evidence

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Infectivity and Transmission of Xylella fastidiosa by Philaenus spumarius (Hemiptera: Aphrophoridae) in Apulia, Italy

The discovery of Xylella fastidiosa from olive trees with “Olive quick decline syndrome” in October 2013 on the west coast of the Salento Peninsula prompted an immediate search for insect vectors of the bacterium, and transmission tests showed P. spumarius as a vector of X. fastidioa strain infecting olives trees in theSalento Peninsula, Italy.
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Evidence of economic segregation from mobility lockdown during COVID-19 epidemic

A massive analysis on near real-time Italian data provided by Facebook finds that the impact of lockdown is stronger in municipalities with higher fiscal capacity and segregation effect, since mobility restrictions are strong in municipalities for which inequality is higher and where individuals have lower income per capita.
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Chapter 3: MHD stability, operational limits and disruptions

Progress in the area of MHD stability and disruptions, since the publication of the 1999 ITER Physics Basis document (1999 Nucl. Fusion 39 2137–2664), is reviewed. Recent theoretical and experimental…
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Model for the sawtooth period and amplitude

A model for sawtooth oscillations in tokamak experiments is outlined. A threshold criterion for the onset of internal kink modes and a prescription for the relaxed profiles immediately after the…
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Economic and social consequences of human mobility restrictions under COVID-19

A massive analysis on near-real-time Italian mobility data provided by Facebook finds evidence of a segregation effect, since mobility contraction is stronger in municipalities in which inequality is higher and for those where individuals have lower income per capita.
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The olive quick decline syndrome in south-east Italy: a threatening phytosanitary emergency

The olive quick decline syndrome (OQDS) is a disease that appeared suddenly a few years ago in the province of Lecce (Salento peninsula, southeastern Italy), and Xylella fastidiosa, a quarantine pathogen of American origin, was identified as the main vector.
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ISOLATION OF A XYLELLA FASTIDIOSA STRAIN INFECTING OLIVE AND OLEANDER IN APULIA, ITALY

The isolation in pure culture of the Xylella fastidiosa strain associated with the quick decline syndrome of olive was attempted from symptomatic, naturally infected olive and oleander plants, and a periwinkle seedling that had been exposed to, and was infected by Xyleella-positive spittlebugs.
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Phenology, seasonal abundance and stage-structure of spittlebug (Hemiptera: Aphrophoridae) populations in olive groves in Italy

A large amount of data is provided on the life cycle of spittlebugs within an olive agroecosystem that can be used to design effective control programmes against these vectors in infected areas and to assess the risk of the establishment and spread of X. fastidiosa to Xylella-free areas.
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Spittlebugs as vectors of Xylella fastidiosa in olive orchards in Italy

The biology and transmission ability of the meadow spittlebug, Philaenus spumarius, which was recently demonstrated to transmit X. fastidiosa to periwinkle plants, is investigated to plan an effective IPM strategy and limit further spread of the fastidious bacterium.
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