Aphis species of the A. gossypii complex. A Apterous vivipara of A. gossypii on Rhamnus cathartica B Nymphs, apterous and alate viviparae of A. monardae on Monarda fistulosa C Apterous ovipara of A. monardae D Nymphs and apterous male (brownish in the center of the image) of A. monardae E Nymphs and alate vivipara of A. gossypii on Cucurbita pepo F Nymphs and apterous vivipara of and A. oestlundi on Oenothera biennis G Apterous vivipara (top) and apterous ovipara (bottom) of A. sedi on Hylotelephium telephium.