Nebraska 
Indiana 
-115- 
COTTQr.VOCD 
COTTONWOOD SCALE ( .Ohionaspis ortholobis Comstock) 
Don 3 B TJhelan (April 25-Hay 2R) : The cotton^ood scale '•■as 
found in Hock County, 
'.TxiLMJT CATERPILLAR ( Da tan a intergerrim a G.& R») 
J. J. Davis (May 25) i The -alnut Datana has been the subject 
of numerous letters iron central and northern Indiana calling 
attention to the seriousness of the pest in 1925. 
a R S E N 
N DOR N a M E H T a L PLANTS 
MISCELLANEOUS FOLDERS 
GREENHOUSE LEaF TYER ( Phly ctaenia rubigaiis Ebn.) 
Indiana H. P. Dietz (hay lo): The greenhouse leaf-tyer has been found 
in practically every greenhouse in the State during the past 
five months' inspection. Although no serious damage has been 
seen or reported to date, nevertheless, unless measures 
to control this insect are taken, considerable loss may be 
expected^ The plants that have been conmonly observed as 
infested are feverfew, cineraria, calceolaria, chrysanthemum, 
f orget-me— not , snapdragon, and geranium. 
LEU!? ROLLER (Tortricidae) 
Ohio E. \7, M&ndenhall (hay U): These insects are a menace to plants 
in greenhouses and a re very hard to eradicate. Paris green 
or arsenate of lead seems most effective. They seem worse 
some years than others. They arc very bad this year and the 
greenhouse men are busy fighting them. 
A DIGGER SEE (Andrena vicina Smith) 
Nev: York S. P. Felt (May ?6): A digger be em provisionally identified 
as .andrena vicina . established itself and seriously injured 
a rather sandy poor larn in the vicinity of Albany, there 
being nearly UOO.OOC holes "per acre, each surrounded by a small 
mound seme half inch high and t^o or three inches in diameter 
Watering, liberally r-ith a tobacco soap preparation killed 
many of the insects. 
GREENHOUSE THRIFS ( Helicthrips haemorrhodalls 3 ouch e) 
Indiana H. P. Diets (hay 1S) : The greenhouse thrips has born a very 
trouble some pest on chrysanthemums throughout the State. 
