Macrosiphum

Macrosiphum is a genus of aphid. During the summer populations are made of parthenogenetic females. In the fall, males and females are produced; they mate and females lay eggs that overwinter. There are over 160 spp. in 3 subgenera.

This article related to members of the insect family Aphididae is a stub. You can help Wikipedia by expanding it.

Macrosiphum sp. laying eggs on rose bush

Macrosiphum rosae