Matskási István (szerk.): A Magyar Természettudományi Múzeum évkönyve 80. (Budapest 1988)

Vásárhelyi, T.: New Palaearctic Aradus species in the betulae-group (Heteroptera, Aradidae)

Figs 1-7. Aradus obscurus sp. n.: 1-2 = male, 3 = antenna, 4 = male genitalia, 5 = parandrium, 6-7 = paramer in two views Figs 8-11. Aradus obscurus sp. n.: 8 = female, 9 = tip of abdomen of female, ventral view, 10 = same, dorsal view, 11 = L

5 larva