Dineura Dahlbom 1835

1 The setae on annulets trichoid, very short, shorter than width of the annulet; warts absent (Fig 9a). Setae on subspiracular lobe very short (Fig. 9b). Host plants: Betula spp.............................................................................. D. virididorsata (Retzius, 1783)

– The setae on annulets truncate, bifid or spatulate, placed on more or less prominent warts. Setae on subspiracular lobe long (Figs 7b, 8b). Host plants: Rosaceae (shrubs and trees)...................................................................................................................... 2

2 The setae on annulets truncate, shorter than the length of the annulets, placed on the inconspicuous, flat warts (Figs 7a). Subspiracular lobe with 3 setae and one glanduba (Fig. 7b)..................................................................................... D. stilata (Klug, 1816)

– The setae on annulets emarginate or spatulate, longer than the length of the annulets, placed on prominent conical warts (Figs 8a). Subspiracular lobe with 5–6 setae and one glanduba (Fig. 8b).............................................................. D. testaceipes (Klug, 1816)