[1] Macrophya punctumalbum can reach a length of 10 millimetres (0.4 in).

Legs have bright, red hind femora, while tibias are black with white apex.

Tergites shows three to seven white spots on both sides.

[2] This species shows an evident sexual dimorphism.

The larvae develop on the leaves of Oleaceae species (Fraxinus, Ligustrum, Syringa).