Ferdinand Piëch and his wife from the supervisory board. Ferdinand Piëch Ferdinand Karl Piëch (born 17 April 1937) is an Austrian business magnate, engineer and executive who was the chairman of the executive board ("Vorstandsvorsitzender") of Volkswagen Group in 1993-2002 and the chairman of the supervisory board ("Aufsichtsratsvorsitzender") of Volkswagen Group in 2002-2015. A grandson of Ferdinand Porsche, Piëch started his career at Porsche, before leaving for Audi after an agreement that no member of the Porsche or Piëch families should be involved in the day-to-day operations of the Porsche company. Piëch eventually became the head of Audi, where he is credited
Tiger beetle biodiversity. Several species of wingless parasitic wasps in the genus "Methocha" (family Thynnidae), lay their eggs on larvae of various "Cicindela spp.", such as "Cicindela dorsalis". Tiger beetles display an unusual form of pursuit in which they alternatively sprint quickly toward their prey, then stop and visually reorient. This may be because while running, the beetle is moving too fast for its visual system to accurately process images. To avoid obstacles while running they hold their antennae rigidly and directly in front of them to mechanically sense their environment. The oldest fossil tiger beetle yet found, "Cretotetracha grandis", comes from