The periodical cicada in WVa. . sitionof inner lancet, b, through which the eggs pass and are placed by it in po-sition. 11, lancet tip of ovipositor from below, showing special arrange-ment of point and edges for gouging out the cavity, act, outer pair oflancets, b, inner lancet. 12, ovipositor from above, aa, outer parts which together form asheath for the inner lancet tube showing corrugated trough-like groovethrough which the eggs pass to tip. 13, lancet tip of ovipositor fromabove, showing special arrangement for adjusting the wood fibers andforming the egg cavity, aa, outer pair of lance
The periodical cicada in WVa. . sitionof inner lancet, b, through which the eggs pass and are placed by it in po-sition. 11, lancet tip of ovipositor from below, showing special arrange-ment of point and edges for gouging out the cavity, act, outer pair oflancets, b, inner lancet. 12, ovipositor from above, aa, outer parts which together form asheath for the inner lancet tube showing corrugated trough-like groovethrough which the eggs pass to tip. 13, lancet tip of ovipositor fromabove, showing special arrangement for adjusting the wood fibers andforming the egg cavity, aa, outer pair of lancets, bb, inner lancet. Figs. 9, 10, 12 are enlarged a little more than 6 times; 11 and 13 are en-larged about 33 times. side of a building, fence, post, or weed stem, anything in factupon which they can climb and expose their bodies to the ac-tion of the open air. In about an hour after emerging the skinon the back splits the adult insect works its way out.(Plate 1, b-c) The wings which are short and soft at first, rap-. PLATE I.—The Periodical Cicada, (CicadaseptmdecimJa, pupa; 6, pupa with back split open and adult coming out; c, the samewith adult almost out; d, empty pupa shell: e, adult wings spread; /, adultfemale in act of ovipositing: g, dwarf variety, showing comparative size. Allabout two-thirds natural sizes, (b and c after Riley ) THE PERIODICAL CICADA. 9 idly develop, and the body, wings and legs harden, and by thefollowing day it is ready to take its flight and enter upon itsshort aerial life, which is limited to about thirty days. Duringthis short period of its existence, in its winged or adult stage,it feeds but little if at all, the males devoting their time duringthe day to Hying about an:l making a noise, while the voice-less females busy themselves depositing eggs.
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Keywords: ., bookauthorhopkinsadandrewdelmar, bookcentury1800, bookdecade1890
