. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. 254 AMERICAN SPIDERS AND THEIR SPINNINGWORK. brief period. Here is a young Argiope which on first observation had two insects trussed up, one on either side of her central web, near Trussing ^j^^ ^^^^^j, j-, of the orb. On the second observation, an ap ives. j^^^^^ afterward, one of these was cut loose, and the spider held it under its jaws while fed upon it. Here on a large insect, side of her shield, This is an observ
. American spiders and their spinning work. A natural history of the orbweaving spiders of the United States, with special regard to their industry and habits. Spiders. 254 AMERICAN SPIDERS AND THEIR SPINNINGWORK. brief period. Here is a young Argiope which on first observation had two insects trussed up, one on either side of her central web, near Trussing ^j^^ ^^^^^j, j-, of the orb. On the second observation, an ap ives. j^^^^^ afterward, one of these was cut loose, and the spider held it under its jaws while fed upon it. Here on a large insect, side of her shield, This is an observa Another observa illustrate this she rested on her shield and there is another Argiope, engaged in feeding and has two other insects, one on either swathed and trussed ready for use. tion which is frequently made, tion made upon Acrosoma rugosa will When the observation began Rugosa had just captured a fly. A second fly struck the web, and the spider rushed to it, leaving fly No. 1 trussed up and hanging by a short cord. She seized the second victim, held it a second or two, then slowly re- volved it, using the third and fourth Acroso- p^ q£ jggg Yj^g fourth leg was also ping Plies ^^^^"^ "^ pulling out the enswathing thread. A slight enswathment was placed upon the insect, and it was left hanging in the snare. Rugosa then returned by a dragline to the carcass of No. 1, and feasted upon her, leaving No. 2 suspended to the top of the central. When fly No. 1 was finished, the threads sur- rounding it were cut out, and the carcass was drop- ped from the snare. No. 2 was then approached, the spider meanwhile cautiously pulling on the radial gangway by jerks, as though testing the vitality of the victim or the neighborhood of an enemy. Mat- ters being satisfactory, the fly was seized, swathed, and brought back to the centre of the orb. When rejected, the carcass was a charred looking mass, out of which all the animal juices had been squeezed. While preying up
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectspiders, bookyear1889
