Flight Times
The generations vary with location, altitude and season. In Northern Europe, there are two or three generations from April to early September. In warmer areas, and in some good years there is a fourth generation. In southern Europe there are three or more partially overlapping generations from March to October.
Read more about this topic: Green-veined White
Famous quotes containing the words flight and/or times:
“One man’s observation is another man’s closed book or flight of fancy.”
—Willard Van Orman Quine (b. 1908)
“The times have changed. Why do you make a fuss
For privilege when there’s no law of form?”
—Allen Tate (1899–1979)