The Common Spiders of the United StatesEmerton, J. H. (James Henry)
Science
The Common Spiders of the United States
Emerton, J. H. (James Henry)
Spiders -- United States
$Epeira labyrinthea.$--This spider makes a large irregular web in which
is a tent connected by a thread with the small round web below, much as
in _Epeira globosa_. The female is a fifth of an inch long. The abdomen
is oval and not unusually large, as it is in _globosa_ (fig. 408). The
cephalothorax is long, dark brown in the middle and lighter at the
sides, and almost white in front around and behind the eyes. The legs
are white, with narrow dark brown rings at the ends of the joints and
wider yellow rings on patella and femur of the first and second pairs.
The abdomen is marked with four long white spots in front and a dark
brown middle band behind. At the sides the abdomen is light brown or
yellow. On the under side the ends of the mandibles and the maxillæ are
black. The sternum is black, with a white middle stripe. The abdomen has
a short middle white stripe surrounded by a large dark spot, and there
are several yellow spots along the sides and around the spinnerets.
[Illustration: FIG. 409. Web of Epeira labyrinthea with large irregular
web around the nest. One-third the real size.]
[Illustration: FIG. 410. Web of Epeira labyrinthea with string of
cocoons in the upper part over the spider's nest. One-third the real
size.]
The round web of this spider is not large, generally three or four
inches in diameter, but the irregular part above and partly covering it
may be much larger, sometimes as much as six inches across, where the
shape of the surrounding plants allows it (fig. 409). One segment at the
upper part of the round web is partly open, as in _globosa_ (p. 173) and
Zilla (p. 185), and here a strong thread passes to the nest, which is
often covered by a large spreading tent. In the last of the summer
several small, flat, brown cocoons are strung together in the irregular
web above the tent (fig. 410), which is then smaller and less regularly
made.
[Illustration: FIGS. 411, 412. Epeira gibberosa, enlarged eight
times.--411, back of female. 412, side view to show humps on the
cephalothorax.]
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