Parapiesma quadratum (Fieber, 1844)

Acanthia clavicornis Fabricius, 1775: 694 (non Linnaeus, 1758); Zosmenus quadratus Fieber, 1844: 31; Zosmenus dilatatus Jakovlev, 1873: 28; Zosmenus convexicollis Jakovlev, 1873: 29; Piesma quadratum var. rotundicollis Rey, 1888: 189; Piesma quadratum var. nigroscutellata Péneau, 1921: 57; Piesma quadratum f. ruda Jordan, 1953: 8; Piesma chinianum Drake & Maa, 1953: 87; Piesma rotundicollis Wagner, 1953: 68 .

Distribution in Iran. Kordestan (Sakenin et al. 2010; Samin et al. 2011).

General distribution. Euro-Siberian; known in North Korea, China, and Mongolia.