. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. 17© ECONOMIC ENTOMOLOGY DD. Subcosta and radius of hind wings not connected by a cross vein. E. Cubitus of fore wings apparently 3-branched. F. Basal part of subcosta of hind wings joined to radius for a distance then bending sharply toward costal margin.—Geometrina (Geometrids), p. 204. FF. Basal part of subcosta of hind wings not as in F.— Notodontidce (Prominents), p. Fig. 109.—Venation of a papilionid {Papili
. Class book of economic entomology, with special reference to the economic insects of the northern United States and Canada. Beneficial insects; Insect pests; Insects; Insects. 17© ECONOMIC ENTOMOLOGY DD. Subcosta and radius of hind wings not connected by a cross vein. E. Cubitus of fore wings apparently 3-branched. F. Basal part of subcosta of hind wings joined to radius for a distance then bending sharply toward costal margin.—Geometrina (Geometrids), p. 204. FF. Basal part of subcosta of hind wings not as in F.— Notodontidce (Prominents), p. Fig. 109.—Venation of a papilionid {Papilio). {After Comslock.) Fig. no.—Venation of a pierid (Pieris). (After Comstock.) EE. Cubitus of fore wings apparently 4-branched. F. Subcosta of hind wings either separate from or joined for a short distance to radius. G. Ocelli absent; antennae pectinate; cubitus of hind wings apparently 4-branched.— Liparidce = Lymantriida (Tussock Moths), p. 200. GG. Ocelli present; antennae mostly simple;. 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-. Philadelphia, Blakiston
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919
