I find Wikipedia a great data base giving information which no other encyclopedia would give.
I do my bit when somebody tries to mutilate (not edit) an article by, for instance, deleting whole paragraphs or links just because he/she does not like it.
Laothoe populi, the poplar hawk-moth, is a moth of the family Sphingidae. The species is found throughout the Palearctic realm and the Near East, and is one of the most common members of the family in the region. On first hatching, the larvae are pale green with small yellow tubercules and a cream-coloured tail horn, at which point they are known as hornworms. They later develop yellow diagonal stripes on the sides, and pink spiracles. This photograph, taken in Saint-Quentin-en-Tourmont, France, shows a late instar of L. populi.Photograph credit: Charles J. Sharp