. Principles of economic zoo?logy. Zoology, Economic. 174 BRANCH ARTHROPODA the same color next the anal angle of the hind ; It is a friend to the fruit grower, for its larva feeds upon woolly plant-lice like the apple-tree aphis and the alder blight. ORDER XII. HYMENOP'TERA This order is represented by such familiar insects as the bumble-bees, yellow-jackets, honey-bees, ants, wasps, ichneu- mon flies, saw-flies, and gall-flies. The mouth parts (Fig. 144) are adapted for biting or sucking, the mandibles are short and fitted for biting, while the other Three ocelli or simple eyes ^^
. Principles of economic zoo?logy. Zoology, Economic. 174 BRANCH ARTHROPODA the same color next the anal angle of the hind ; It is a friend to the fruit grower, for its larva feeds upon woolly plant-lice like the apple-tree aphis and the alder blight. ORDER XII. HYMENOP'TERA This order is represented by such familiar insects as the bumble-bees, yellow-jackets, honey-bees, ants, wasps, ichneu- mon flies, saw-flies, and gall-flies. The mouth parts (Fig. 144) are adapted for biting or sucking, the mandibles are short and fitted for biting, while the other Three ocelli or simple eyes ^^ w\ Compound cj-es "Antenna? Mandible: Maxillarj' palp MaxillEC' Labial Clypeus (c). -y\—T.:ibrum I'alpifer or palpus bearer Paraglo^sET or lateral lobes of the tongue Lingula or tongue attached at the base of the labium Fig. 144.—Front view of the head of a bee. (Tenncy.) mouth parts, as the maxiUir, labium, the maxillary and labial palpi, are more or less modilied into a proboscis for taking up liquid food. The wings are membranous and four in number. The anterior pair is larger than the posterior. The student will observe that the boch- and wings of Hymenoptera arc shorter than those of the dragon-fly order (C^donata). The metamorphosis is complete. The lar\'a' are maggot-like. Habits.—They vtiry much in haliits. Some are herbivorous (saw-flies), some form galls, others are parasitic (ichneumon. 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 Daugherty, Lewis Sylvester, 1857-; Daugherty, L. S. , Mrs. , 1859-. Philadelphia, London, W. B. Saunders
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Keywords: ., bookcentury1900, bookdecade1910, bookpublisherphila, bookyear1915
