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66 > Image 66 of Annual report. 1921

Part of Kentucky Agricultural Experiment Station

1 Q 8 Bulleti/it N0. 231 beetles, but after observing it in relation to the insect for some l i time, it is my impression that it attacks only enfeebled, spent individuals that would soon die anyway, and that it is incapable of destroying perfectly healthy vigorous beetles. The fungus is the same as that used some years ago in ef- pi T forts to destroy the western ehinchbug. On the locust borer it T produces innumerable minute roundish spores (eonidia) meas- I uring about .002 or .0025 mm. in diameter. . \1 , A .;.,I - ~ A " . ,=Q`.._" W" L_ \ ` . QQ) \ T it 21 2 ` r r Fig. 3. The Adult Locust Borer Infested with the Fungus, Sporotrichum ` globuliferum X2. _ A SYNOPSIS OF THE KENTUCKY SPECIES OFSOLIDAGO. { As a part of the study of the distribution of the Locust E Borer and its injuries in Kentucky the species of Solidago col- lected in the state are presented below in the form of a list and `_ i synopsis, together with the localities from which specimens have been obtained when the plants were in bloom. The determina- [ . tions have been made after an examination of the collection in the United States National Herbarium at Wasliiiigton, thru the courtesy of Doctors XV. R. Maxon and Paul C, Standley, and 7 ' also an inspection of the collection in the Department of Botany , of the University of Illinois, an opportunity for which my . thanks are due to Doctors Trelease, Hottes and others, in cl1a1g