. 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. PiG. 102.—Squash bug {Anasa tris- tis): a, mature female; b, side view of head showing beak; c, abdominal seg- ment of male; d, same of female. {After Chittenden.) tened on two sides; 3^25 inch Fig. 103.— Nymphs of squash bug, showing five stages. {After Chittenden, U. S. Bur. Ent.) tionately longer legs and antennae, later developing wing pads and becoming more and more like the adult. Five moults occur (Fig. 1

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. 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. PiG. 102.—Squash bug {Anasa tris- tis): a, mature female; b, side view of head showing beak; c, abdominal seg- ment of male; d, same of female. {After Chittenden.) tened on two sides; 3^25 inch Fig. 103.— Nymphs of squash bug, showing five stages. {After Chittenden, U. S. Bur. Ent.) tionately longer legs and antennae, later developing wing pads and becoming more and more like the adult. Five moults occur (Fig. 103).. 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, 1864-1927. Philadelphia : Blakiston

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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsects, bookyear1919