. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. FIG. 7 Q . — Water- tiger, the larva of the predaceous water-bee- tle, Dyticifa sp. (Nat- ural size.) FIG. 80.—The predaceous water-beetle, Dy- tlcus sp. pupa and adult. (Natural size.) the large membranous hind wings. They all have strong bit- ing mouth-parts and a firm dark chitinized cuticle or outer body-wall. The body is usually short and robust with its segments well fused together. There is much variety in the character of the antennae and feet, and these differences are largely relied on in classifying bee
. Elementary textbook of economic zoology and entomology. Zoology; Insect pests. FIG. 7 Q . — Water- tiger, the larva of the predaceous water-bee- tle, Dyticifa sp. (Nat- ural size.) FIG. 80.—The predaceous water-beetle, Dy- tlcus sp. pupa and adult. (Natural size.) the large membranous hind wings. They all have strong bit- ing mouth-parts and a firm dark chitinized cuticle or outer body-wall. The body is usually short and robust with its segments well fused together. There is much variety in the character of the antennae and feet, and these differences are largely relied on in classifying beetles into different families. The eggs are laid underground, or on leaves or twigs or in branches or trunks of live trees, in fallen logs or in decaying. 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 Kellogg, Vernon L. (Vernon Lyman), 1867-1937; Doane, Rennie Wilbur, 1871-. New York, H. Holt and company
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