Biscogniauxia nummularia decline of European beech ("Fagus sylvatica") in Sicily and Calabria (Italy) has been linked to "B. nummularia" and experiments have suggested that this ascomycete plays a primary pathogenic role under certain environmental conditions. It typically causes strip‐cankering and general wood decay. Biscogniauxia nummularia Biscogniauxia nummularia is a plant pathogen in the family Xylariaceae, known as the beech tarcrust. The specific epithet is derived from the Latin "nummus" meaning a coin, referring to the often rounded and coin-like encrustations. The fruit body forms a thick and shiny black crust, on beech ("Fagus") bark and is found at all times of the
Cicindela sylvatica Cicindela sylvatica Cicindela sylvatica is a tiger beetle, commonly known as the wood tiger beetle or heath tiger beetle. It is the largest of the British tiger beetles with a length of between . It is black in colour with a blue tinge, more pronounced on the underside, and sometimes appears with a bronze sheen. The beetle occurs throughout Europe with the exception of the Mediterranean and the extreme north. In the UK, it is found in England. The beetle has been given priority status under the UK Biodiversity Action Plan (UK BAP) and has been included in the English