. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 58 BULLETIN 1369, U. S. DEPAETMENT OP AGRICULTURE vary considerably, but they are usually much larger after the molt to the fifth stage, and measure from 3 to millimeters in diameter (fig, 27). It is seldom that any scabbing or other obstruction is found in the aperture over a fifth-stage larva. There is usually to. Fig. 27.—Close view of portion of cow's back infested with cattle grubs. Hair is clipped from around holes be seen a rim of exudate, part of which is considered to be excrement, around the outside edge
. Bulletin of the Department of Agriculture. Agriculture; Agriculture. 58 BULLETIN 1369, U. S. DEPAETMENT OP AGRICULTURE vary considerably, but they are usually much larger after the molt to the fifth stage, and measure from 3 to millimeters in diameter (fig, 27). It is seldom that any scabbing or other obstruction is found in the aperture over a fifth-stage larva. There is usually to. Fig. 27.—Close view of portion of cow's back infested with cattle grubs. Hair is clipped from around holes be seen a rim of exudate, part of which is considered to be excrement, around the outside edge of each hole. The position of the larva is similar to that in the fourth stage. The posterior end of the segments is bent slightly so as to bring the. 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.
Size: 1332px × 1875px
Photo credit: © Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauth, bookcentury1900, bookdecade1910, booksubjectagriculture
