. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Fig. 9.—Macrosiphum pisi: Oviparous female, much enlarged; a, antenna, and ft, hind tibia, of same, more enlarged. (Original.) ments taken immediately after mounting: Length of body, ram. (Another individual, apparently unfertilized, but with abdomen abnormally distended with eggs, measured mm. in length and mm. in width.) Length of body to tip of cauda, mm., width, ; cornicles, mm.; cauda, mm. Measurements of antennal segments: I. II. III. IV. V. VI base. VI fila- ment. Mm. Mm. .1/;;;

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. Bulletin of the Department of Agriculture. Agriculture; Agriculture. Fig. 9.—Macrosiphum pisi: Oviparous female, much enlarged; a, antenna, and ft, hind tibia, of same, more enlarged. (Original.) ments taken immediately after mounting: Length of body, ram. (Another individual, apparently unfertilized, but with abdomen abnormally distended with eggs, measured mm. in length and mm. in width.) Length of body to tip of cauda, mm., width, ; cornicles, mm.; cauda, mm. Measurements of antennal segments: I. II. III. IV. V. VI base. VI fila- ment. Mm. Mm. .1/;;;. Mm. Mm. .1//;). Mm. I). (ITS (I. 1ST 0 2(H) .139 .078 .494 .348 . mi .209 .643 . [39 .UTS .696 . 435 . 522 .234 .817 . 156 .009 .748 .135 .522 .252 .800 Egg.—The egg is pale to bluish green and shining when first laid, gradually changing to jet black. It is elliptical oval, and measures to mm. in length and to mm. in 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 Dept. : Supt. of Docs. , G. P. O.

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Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture