Citations:plurennial


 * 〃, page 138:
 * "en"
 * "en"

- A plurennial generation denotes that the insect takes more than one year for its full development, for example, two years in the case of longicorn beetles and Sirex, and three or four years for the cockchafer.


 * 〃, § II.viii.a., page 314:
 * "en"

- Generation usually double, sometimes treble, but in the cocoon-spinning sawflies it may be plurennial.