Coccinellidae November depending on location and weather conditions. Homes or other buildings near fields or woods are particularly prone to infestation. After an abnormally long period of hot, dry weather in the summer of 1976 in the UK, a marked increase in the aphid population was followed by a "plague" of ladybirds, with many reports of people being bitten as the supply of aphids dwindled. The presence of coccinellids in grape harvests can cause ladybird taint in wines produced from the grapes. "Harmonia axyridis" (the harlequin ladybird) is an example of how an animal might be partly welcome and partly harmful.
A Plague of Lighthouse Keepers that it was played live in Leeds in October 1971. In 1977 and 1978, Van der Graaf, in a line-up of voice, piano, guitar, bass guitar, drums and violin (and in 1978 also cello) now and then played a medley in their set, called "Medley: A Plague of Lighthouse Keepers/Sleepwalkers". This song consisted of parts of "A Plague of Lighthouse Keepers" and the second part of "The Sleepwalkers" (from the album "Godbluff"), glued together. Parts from "A Plague of Lighthouse Keepers" that are used include "Eyewitness" and "The Clot Thickens". A rendition of this medley can be heard on the