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.
Great Plague of Vienna population. To commemorate the city's deliverance from the Great Plague and later waves of the disease, the Viennese erected monuments such as the famous Baroque Karlskirche with the associated 69 foot plague columns known as the Pestsäule. What has become known as the "Great Plague of Vienna", was actually only a subset of a much larger outbreak across Germany, Austria, Bohemia and neighboring regions. This epidemic appears to have been carried into the region from two opposing directions. It had been raging in Western Europe for many years, traveling East by trade routes. The Great Plague of London of 1665–1666,