. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 3d A Fig. 145.—Venation of a tipulid (Tipula). (After Comstock.). Pk;. 146.—Venation of a tabanid {Tabanus). {After Comstock.) B. Alulcts large, third joint of antenna; without a style or bristle.— Tabanid(C (Horse Flies), p. 252. BB. Alulets small; branches of Radius crowded together near the costal margin.—Slraliomyiidcc (Soldier Flies). AA. Antennie of four or live segments but the third joint not ringed. B. Antennae long, clavate, 4-jointed; branches of Radius curving toward costal


. Class book of economic entomology. Insects, Injurious and beneficial. [from old catalog]; Insects; Insects. 3d A Fig. 145.—Venation of a tipulid (Tipula). (After Comstock.). Pk;. 146.—Venation of a tabanid {Tabanus). {After Comstock.) B. Alulcts large, third joint of antenna; without a style or bristle.— Tabanid(C (Horse Flies), p. 252. BB. Alulets small; branches of Radius crowded together near the costal margin.—Slraliomyiidcc (Soldier Flies). AA. Antennie of four or live segments but the third joint not ringed. B. Antennae long, clavate, 4-jointed; branches of Radius curving toward costal margin.—Midaidce (Midas Flies).. 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 Lochhead, William, 1864- [from old catalog]. Philadelphia, P. Blakiston's son & co


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919