. Bulletin of the Department of Agriculture. Agriculture. 4 BULLETIN 90, U. S. DEPARTMENT OF AGRICULTURE. DISTRIBUTION. The rose a])his is distributed over the entire United States, having been rccorilcd from Massachusetts, New Jcrse} , IlUnois, Iowa, Minne- sota, Colorado, and CaUfornia. It also occurs in Europe, from which country it was first desciibed. The WTiter has collected it in southern California on all the commoner varieties of roses growing outdoors and has also taken it, in 1913, in Connecticut, Maryland, the District of Columbia, and Fig. 2.—The small green rose


. Bulletin of the Department of Agriculture. Agriculture. 4 BULLETIN 90, U. S. DEPARTMENT OF AGRICULTURE. DISTRIBUTION. The rose a])his is distributed over the entire United States, having been rccorilcd from Massachusetts, New Jcrse} , IlUnois, Iowa, Minne- sota, Colorado, and CaUfornia. It also occurs in Europe, from which country it was first desciibed. The WTiter has collected it in southern California on all the commoner varieties of roses growing outdoors and has also taken it, in 1913, in Connecticut, Maryland, the District of Columbia, and Fig. 2.—The small green rose apliis (yfijzus rosarum): a, Winged viviparous female; b, wingless viviparous female; 1, 2, antcnnal articles of winged female; S, cornicle of same; 4, style of same; 5, third antcnnal article of same; C, style of wingless female; 7, ,9, front and antenna of same; JO, cornicle of same; 5, process of sixth aniennal article of same. Greatly enlarged. (After Essig.) CHARACTER OF INJURY. This insect, like all aphides or plant-hce, obtains its food by suction. The slender beak with which it is furnished is inserted into the plant attacked, and through tliis the plant juices are taken np. The rose aphis in feeding chooses the tender and gro^nng shoots and flower buds or the young unfolding leaves, and by feeding in large numbers checks the growth, the leaves and flowers being curled or distorted and prevented from attaining their perfect form. (Pis. I, II.). 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 United States. Dept. of Agriculture. [Washington, D. C. ?] : The Department : Supt. of Docs. , Govt. Print. Off.


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectagriculture, bookyear