. 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. The mother Pholcus hanging in her snare, with cocoon held in her jaws. or July, is a pale brownish color, containing brown eggs. It resorts to dark and damp places, as cellars and the under surfaces of stones. It is cer- tainly remarkable to find a Line- weaving si)ecies thus approximat- ing the Citigradcs, frona which it ,so greatly differs in other respects, in the manner of caring for tlie c(;|poon. But in this habit she is
. 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. The mother Pholcus hanging in her snare, with cocoon held in her jaws. or July, is a pale brownish color, containing brown eggs. It resorts to dark and damp places, as cellars and the under surfaces of stones. It is cer- tainly remarkable to find a Line- weaving si)ecies thus approximat- ing the Citigradcs, frona which it ,so greatly differs in other respects, in the manner of caring for tlie c(;|poon. But in this habit she is not alone among her tribe. Theridium carolinum forms in June a round white cocoon one-tenth inch in di- ameter, which she carries attached by threads to her person. ^ A pretty little Theridioid, Steatoda maculata (Theridium maculatum Linn.), is also said to carry about its egg cocoon suspended between the legs, and oidy relinquishes it when force is used, regaining it quickly if j)ossible. The cocoon of Pholcus phalangioides, which is perhaps the very simplest in structure of all this tribe, and I may add of all the tribes, is simply a Pholcus. S*"^y covering wliich encloses the eggs, the whole being gathered into a globular mass. This is held by the spider within her jaws as she hangs in her ordinary position witliin her straggling web of intersecting lines. In this portage of }ier egg case Pholcus approaches the habit of the Citi- grades and Tunnel- weavers. (Fig. 124.) Scytodes thora- cica Latr. (Scytodes cameratus Hentz) has been found by Mr. Emerton, in New England, as a house spider, which he supposes has been imported from Europe. European observers note that this spider carries her cocoon under her , in which position it is not secured by silken threads, but is held by the falces and palpi. In this habit it resembles Pholcus, with. English Pholcus phalangioides, with her cocoon. (After Blackwall.) Staveley, " Britisli Spirlere," page Ple
Size: 2326px × 1074px
Photo credit: © Central Historic Books / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1880, booksubjectspiders, bookyear1889
