Show bugs succumb to gas gaa germans have found hint flint prussic acid tins has prove bcd an ail effective ext erini fintor of the brass bug nn an exception ally destructive beetle which la is abio to bore through inet fil tile appear oppler ance of the insect in tiel heidelberg delborg caused alarm ns as previous pre Ious attempts to extirpate it had bad failed tile houses invaded by the pest were gassed for two to cela weeks arid and nt at the ond end of that time thousands of tho the beetles were ave found dead |