. Annual report of the Regents. New York State Museum; Science. 32 NEW YORK STATE MUSEUM the adults of one appearing in September^ those of the other in April or May, the latter being the cause of the lodged grain. Treatment: late planting in connection with earlier sown decoy strips to be plowed under in late fall. Cut straw high in infested fields and burn the stubble. Clean culture and rotation of crops. 66 White grubs (Lachnosterna f u s c a , A 11 0 - rhina nitida). Fleshy^ white, brown headed grubs sever- ing grass roots and those of other plants. These pests fre- quently occur in such n


. Annual report of the Regents. New York State Museum; Science. 32 NEW YORK STATE MUSEUM the adults of one appearing in September^ those of the other in April or May, the latter being the cause of the lodged grain. Treatment: late planting in connection with earlier sown decoy strips to be plowed under in late fall. Cut straw high in infested fields and burn the stubble. Clean culture and rotation of crops. 66 White grubs (Lachnosterna f u s c a , A 11 0 - rhina nitida). Fleshy^ white, brown headed grubs sever- ing grass roots and those of other plants. These pests fre- quently occur in such numbers as to kill large patches of grass. The parent insects are large brownish beetles or greenish, marked with yellow^ in the case of A 11 0 r h i n a , which latter occurs in vicinity of New York city. The grub of A 11 o r h i n a has the peculiar habit of turning on its back and progressing by a peculiar undulating motion whenever it Fig. 56 Lachnosterna fusca: 1 pupa; 2 the white grub in its ground cell; 3 and 4 adult May beetle (after Riley). Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original New York State Museum; University of the State of New York. Board of Regents. Albany : J. B. Lyon, State Printer


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Keywords: ., bookauthorne, bookcentury1800, bookdecade1880, booksubjectscience