Description: English: Oscinella sp. filmed in a garden in Marburg, Hesse, Germany on Corylus avellana. Deutsch: Oscinella sp. auf Haselnuss (Corylus avellana) in einem Garten bei Marburg, Mittelhessen. Id: http://www.diptera.info/forum/viewthread.php?thread_id=49928. Date: 1 September 2012. Source: Own work. Author: Pristurus.
Description: English: Video of beech blight aphid (Grylloprociphilus imbricator) on an American Beech in which the aphids seem to oscillate in a synchronized manner. Greenville, Delaware, USA. Date: 25 August 2009. Source: Own work. Author: Littleinfo.
