Directions for collecting and preserving insects . FIG. 20.—A Tree-hop-per (Ceresa bubahts). a,side; l>, top from two pores, situated ou tlie under side of the metathorax. Such well-known insects as the Bed-bug* and Chinch-bugbelong here. The habits of the species are varied,and while some are beneficial, others are quite injuri-ous to man. The Whole-winged Bugs (Figs. 20 and 21), on thecontrary, are all plant-feeders, and with the excep-tion of a few, such as the Cochineal and Lac insects,are injurious. The secretion of a white, or bluish,waxy, or farinose substance from the surface
Directions for collecting and preserving insects . FIG. 20.—A Tree-hop-per (Ceresa bubahts). a,side; l>, top from two pores, situated ou tlie under side of the metathorax. Such well-known insects as the Bed-bug* and Chinch-bugbelong here. The habits of the species are varied,and while some are beneficial, others are quite injuri-ous to man. The Whole-winged Bugs (Figs. 20 and 21), on thecontrary, are all plant-feeders, and with the excep-tion of a few, such as the Cochineal and Lac insects,are injurious. The secretion of a white, or bluish,waxy, or farinose substance from the surface of the body is as charac-teristic of this section as thenauseous odor is of the forms three natural divi-sions, arranged according tothe number of joints to thetarsi—namely TEIMERA, Aviththree joints; DIMEEA, withtwo joints, and MONOMERA,with ono joint to the THYSANOPTERA (tiusavoq^ a frill gC; TTTSpov, wing): This suborder con-tains the single family Tkri-]>id(e, which comprises minuteinsects commonly known asThrips, and of which a common species, Thrips striatux, is shown inthe acc
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Keywords: ., bookauthorrileycha, bookcentury1800, bookdecade1890, bookyear1892
