| abstract | Balaustium ryszardi sp. n. (Acari: Trombidiformes: Erythraeidae) collected from herbaceous plants in Peloponnese peninsula, Greece, is described and illustrated. The new species has shorter legs than the other species of Balaustium von Heyden, 1826. It is the third known species of this genus from Greece. An identification key to the larval species of Balaustium is presented and leg setal formula of B. nikae is corrected. |