Isturgia arenacearia, the sand bordered bloom, is a moth of the family Geometridae.

This species can be found in most of Europe (Sardinia, Corsica, Italy, Switzerland, Slovenia, Austria the Czech Republic, Poland, Slovakia, Hungary, Romania, Serbia and Montenegro, Bulgaria, Albania, North Macedonia, Greece, Crete, Ukraine and Russia) in the eastern Palearctic realm, and in the Near East.

[1] These moths inhabit scrubs, dry steppes, xerothermic slopes, meadows and in areas cultivated with alfalfa.

The hindwings are cream-colored, crossed by a brown line and with small dark spots on the border.

The thorax shows the same color of the wings, while the abdomen and the head are yellow ocher.