[3] Varietas include:[4] Adalia decempunctata is a common Palearctic species found in Europe, North Africa, European Russia, the Caucasus, Siberia, Belarus, Ukraine, Moldova, Transcaucasia and western Asia.

[1][5][6] Adalia decempunctata can reach a body length of about 3.5–5 mm (0.14–0.20 in).

The dark form is mainly black or brown in color, and the pronotum has a light border on the sides and front.

The mixed form has black or brown in color elytra, each with five orange to red spots.

It is found on bushes and deciduous trees, on grasses, under bark, in moss on trees, in leaf litter, on brushwood, coarse woody debris and in alluvial soil.