. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 224 INSECT LIFE. spider can escape from it if a too formidable insect comes upon the web. The most common species of funnel-web weaver is the grass-spider, Agalena ncEvia (Ag-a-le'na nce'vi-a); this abounds in all parts of the United States. THE ORB-WEAVERS. Those spiders that build nets which consist of a framework of radiating lines upon which is fastened a thread in a spiral manner (Fig. 193) are called the orb- weavers. There are many specie
. Insect life; an introduction to nature study and a guide for teachers, students and others interested in out-of-door life. Entomology; Nature study. 224 INSECT LIFE. spider can escape from it if a too formidable insect comes upon the web. The most common species of funnel-web weaver is the grass-spider, Agalena ncEvia (Ag-a-le'na nce'vi-a); this abounds in all parts of the United States. THE ORB-WEAVERS. Those spiders that build nets which consist of a framework of radiating lines upon which is fastened a thread in a spiral manner (Fig. 193) are called the orb- weavers. There are many species of these, each differing somewhat in habits, but the more gen- eral features of their webs are quite similar. No more inter- esting subject for study can be found than the methods of work of these spi- ders ; and we will not deprive the stu- dent of the pleasure of finding out for himself how they build their webs by describing the process in detail. We will, however, help him a little by call- ing attention to a few points. Find a completed web, and examine carefully the silk of which it is composed. With a small stick. Fig. 193.—Partially completed web of an orb- 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 Comstock, John Henry, 1849-1931; Comstock, Anna Botsford, 1854-1930. New York, D. Appleton and Company
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectentomol, bookyear1901
