Figure 1From: Diapause in the pea aphid (Acyrthosiphon pisum) is a slowing but not a cessation of developmentLife cycle of the pea aphid, A. pisum. During the spring and summer reproduction is by parthenogenesis. Asexually-produced embryos develop in approximately 10 days. In the fall there is a single generation of sexually-reproducing males and females which produce diapausing eggs. These eggs do not hatch until the following spring, more than 100 days later.Back to article page