carex arenaria การใช้

• The larvae feed on the roots of various plants growing under stones in sandy soil, including " Carex arenaria ", " Festuca " and other Gramineae species.
• "Phimodera humeralis " is found in sparsely vegetated dune terrain on heaths and sandy hills, living on and especially in the sand around " Carex arenaria ", a 10 40 cm-high grass . " P . humeralis " is difficult to see, as from a distance they look like small light gray stones.