. Circular. Insect pests; Insect pests. Fig. 11.—Poli/rjnot)if hicmalis, much enlarged (original).. is owing to this more than to any other influence that the Hessian fl}- is now being held in check in the spring wheat regions of the North- west. Perhaps the next most useful parasite is Efipelnm.^ ally nit French (flgs. 12, male, and 13, female). This is generally disti'ibuted over the countr}^ and afiects both the Hessian fl}^ and the joint-worm. It is larger than the preceding; the body is black, with a greenish luster, and the legs are more or less yellow. Merisus Say (fig. 14)
. Circular. Insect pests; Insect pests. Fig. 11.—Poli/rjnot)if hicmalis, much enlarged (original).. is owing to this more than to any other influence that the Hessian fl}- is now being held in check in the spring wheat regions of the North- west. Perhaps the next most useful parasite is Efipelnm.^ ally nit French (flgs. 12, male, and 13, female). This is generally disti'ibuted over the countr}^ and afiects both the Hessian fl}^ and the joint-worm. It is larger than the preceding; the body is black, with a greenish luster, and the legs are more or less yellow. Merisus Say (fig. 14) occurs in Europe, England, and America, })ut ^'"^- ^''--Eupdnms Male, much en- , . 1 !• • .,1 larged (frtmi Rilev). not in such profusion with us as to attord the same relief to the farmer as in the case of the two preceding. It also is black, but with a bluish green metallic reflection, and the legs are black, banded with yel- low. Pfati/gasterIierrlcJi// Pack, (fig. 15) is very minute, shining black in color, and is sup})osed l>y many to attack the <^^^ of the fiy, but there is stdl some doubt regarding this. Bwofontas sub- much enlarged aj)f<'rU)< RilcV (fig. 10), aS the name implies, hus aborted wings in some individuals, while others an^ Fully winged. The head and thorax are of a dark greenish metallic luster, and the legs iionev-. 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. Bureau of Entomology. Washington, D. C. : The Bureau
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectinsectp, bookyear1904
