. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 178 INSECT LIFE. canal* I'ry to observe the excretion of honey- dew. 9. Find a colony of aphids that is attended by ants, and determine why the ants are there. INSECTS THAT PREY UPON APHIDS. The Aphis-lions {Field and School Work).—Look among colonies of aphids for aphis-lions. These are spindle-shaped larvae, with very long, slender, curved jaws; one of these larvae is represented on the lower left leaf in Fig. 147. The aphis-lions are most eas
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 178 INSECT LIFE. canal* I'ry to observe the excretion of honey- dew. 9. Find a colony of aphids that is attended by ants, and determine why the ants are there. INSECTS THAT PREY UPON APHIDS. The Aphis-lions {Field and School Work).—Look among colonies of aphids for aphis-lions. These are spindle-shaped larvae, with very long, slender, curved jaws; one of these larvae is represented on the lower left leaf in Fig. 147. The aphis-lions are most easily. Fig. 147.—Eggs, larva, cocoon, and adult of Chrysopa. found in those colonies of aphids that live within curled leaves. I. Remove a small branch bearing a colony of * M. Biirgen. Der Honigtau. Jenaische Zeitschrift, Bd. xxv (1891), s. 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. New York, D. Appleton and Company
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