. Bulletin of the Department of Agriculture. Agriculture. Bui. 808, U. S. Dept. of Agriculture. Plate JoiNTWORM Flies of the Genus Harmolita. A, Characteristic galls of //. elymicola in Elymus sp., slightly reduced; B, two types of injury to Agropyron sp. by H. allantica, those to the left being sheath galls and the long stems to the right being stem galls, slightly reduced; C, Typical galls of the Festuca jointworm (H. festucae), about natural size; D, E, characK-ristic galls of H. elyniophthora,en\siTgedshghi\y. (Photographs D and E by Mr. C. N. Aiuslie.). Please note that these im


. Bulletin of the Department of Agriculture. Agriculture. Bui. 808, U. S. Dept. of Agriculture. Plate JoiNTWORM Flies of the Genus Harmolita. A, Characteristic galls of //. elymicola in Elymus sp., slightly reduced; B, two types of injury to Agropyron sp. by H. allantica, those to the left being sheath galls and the long stems to the right being stem galls, slightly reduced; C, Typical galls of the Festuca jointworm (H. festucae), about natural size; D, E, characK-ristic galls of H. elyniophthora,en\siTgedshghi\y. (Photographs D and E by Mr. C. N. Aiuslie.). 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