. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 28 sow INSECTS ARE CLASSIFIED PsyllidiP, the psyllas. Minute, jumping forms. Plant feeders. Aphidid;r, tlie plant lice. Coceidff, the scale insects and meal}- bugs. The more important families of Heteroptera are as follows : Reduviidffi, the assassin bugs. Predaceous on other insects. Occa- sionally attack man. Have a strong, three-jointed beak. Tingitidie, the lace bugs. Wings finely reticulate, looking like lace. Plant feed- ers. Acanthiidae, including some plant feed- ers ; also the common bedbug. Capsids,
. Injurious insects : how to recognize and control them . Insect pests; Insect pests. 28 sow INSECTS ARE CLASSIFIED PsyllidiP, the psyllas. Minute, jumping forms. Plant feeders. Aphidid;r, tlie plant lice. Coceidff, the scale insects and meal}- bugs. The more important families of Heteroptera are as follows : Reduviidffi, the assassin bugs. Predaceous on other insects. Occa- sionally attack man. Have a strong, three-jointed beak. Tingitidie, the lace bugs. Wings finely reticulate, looking like lace. Plant feed- ers. Acanthiidae, including some plant feed- ers ; also the common bedbug. Capsids, the leaf bugs. Usually small. Often injurious. Lygteidse, the chinch bugs. Destruc- tive plant feeders. Coreidoe, the squash bugs. Often Ul smelling. Some species rather large. Pentatomidip, the stinkbugs. The family includes both plant feeders and predaceous forms. Thyreocorida:', the negro bugs. Verj' small forms. Pediculidre, the sucking lice, parasitic on mammals. The nuniljer of described species in the Hemiptera exceeds 20, Fig. 26. — The giant water bug, folded. .Sub- order Heteroptera. Origi- Coleoptera The order Coleoptera includes the beetles, readily distinguished, as a rule, liy the fact that the front pair of wings are hardened and act simply as horny coverings for the larger, membranous liind '^ings, which arc folded beneath the others when at rest. Metamorphosis is complete. There are four distinct stages, instead of three, as with all the other orders mentioned thus far. Eggs are laid by the adults, and from these hatch wormlike larvae, commonly called. 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 O'Kane, Walter Collins, b. 1877. New York : The Macmillan Company
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectinsectp, bookyear1912
