File:Beginners' zoology (1921) (14800218363).jpg

Identifier: 1921beginnerszoo00cole (find matches)
Title: Beginners' zoology
Year: 1921 (1920s)
Authors: Coleman, Walter Moore, 1863-1926
Subjects: Zoology
Publisher: Toronto : Macmillan
Contributing Library: The University of Western Ontario, Western Archives
Digitizing Sponsor: Ontario Council of University Libraries and Member Libraries

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— Write the life history of theColorado beetle, or potato bug (Fig. 169), stating where the eggs are laid and describ-ing the form and activities of each stage (the pupal stage, b, is passed in the ground). Do the same for the May beetle (Figs. 167-168). (It is a larva — the whitegrub — for three years; hogs root them up.) Beetles, like moths, may be trappedwith a lantern set above a tub of water. Where does a Scarab (or sacred beetle of the Egyptians), also called tumblebug (Fig. 164), lay its eggs (Fig. 165)? Why ? How does the click beetle, or jack snapper (Fig. 166), throw itself into the air?For what purpose ? The large proboscis of the vjecvil (Fig. 163) is used for piercing a hole in whichan egg is laid in grain of corn, boll of cotton, acorn, chestnut, plum, etc. How are the legs and body of the diving beetle suited for swimming (Fig. 162)?Describe its larva. What is the shapeof the lady bug (Fig. 97)? It feeds upon plant lice (Fig. 185).Is any beetle of benefit to man ?
Text Appearing After Image:
Fig. 170. — Life history of ant lion. Illustrated Study of Ant Lion, or Doodle Bug (Fig. 170).— Find the pitfall(what shape ?) ; the larva (describe it); the pupa case (ball covered with web andsand); the imago. Compare imago with dragon fly (Fig. 177). How does ant lion prevent ant from climbing out of ))itfall (see Fig. 170)?What is on edge of nearest pitfall ? Explain. Ant lions may be kept in a box half filled with sand and fed on ants. How isthe pitfall dug ? What part of ant is eaten ? How is unused food removed ? How long is it in the larval state? Pupal state ? Keep net over box to pre-vent adult from flying away when it emerges. 92 Illustrated Studies

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