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2") japanese U. S. ~ 6 mm (0. 2") leaping SPIDERS ninety nine 100 leaping SPIDERS 'i! 15 mm (0. 6") 'i! PHIDIPPUS is usual in N. A. ; none in Europe. Lorge, heovybodied and conspicuous, those spiders are came across on plants, stones, and infrequently within homes. In captivity, they're energetic and feature solid appetites. One captive Phidippus ate greater than forty fruit flies in succession. P. daru. N. A. ; universal on crops 102 leaping SPIDERS P. johnson; ~ exhibiting at c;1 Rocky Mh. ond westward; stones P. reg;us c;1 18 mm (0. 7" ) southeastern U. S. P. apocheonus ~ nine mm (0. 4") Rocky Mh. thirteen mm (0. 5") leaping SPIDERS 103 Synemosyna lormica Cj? five mm (0. 2") jap U. S. Synemosyna amerIcana Cj? 6mm(0. 2") critical the United States leaping Spiders That Mimic Ants I jaw carapace Panama Lyssomanes, becau se they eyes in 4 rows, are thought of primitive leaping spiders. leaping SPIDERS lOS CRIBELLATE SPIDERS have a cribellum, a flattened sieve like plate in entrance of the spinnerets. via it the calamistrum, a row of curved setae at the subsequent to final section of the fourth leg, pulls silk. The hackled threads produced are lined with positive wool that entangles the prey. each suffering flow of the prey basically raises the entanglement. It was once suggestion that households of cribellate spiders are a separate, exact team. Now the opinion is that the presence of the cribellum is an ancestral situation and the constitution has been misplaced numerous occasions. For ' example, the Oecobiidae (p. one hundred fifteen) are just like the Urocteidae (p. 34) notwithstanding smaller and proprietors of a cribellum. The cribellum remains to be a great personality for identity. ~ Hypochi/us cribellum calamistrum electron microscope photograph of cribellate silk v. Friedrich HYPOCHILIDS (Hypochilidae) are present in remoted areas of the US, China, and Tasmania. Fewer than ten species are integrated within the family members. a few species resemble the Mygalomorphs (p. 20) in jaw attachment and in having pairs of lungs with lung covers. less than a ledge, Hypochilus builds its lampshade-shape net, lined with hackled threads; the spider hangs within opposed to the ledge. Flies might be stuck at the outdoor of the internet and pulled via or they are trapped lower than the net cover. CRIBELLATES 107 cribellum carapace FILISTATIDS (Filistatidae) of fewer than 50 species are universal in southern Europe and different hot elements of the realm , a dozen within the U. S. The cribellum should be tricky to work out, however the form of the carapace is diagnostic. through day they cover in a tubular retreat in a crevice of a wall. As in Ariadna (p . 27), silk strands rad iate from the mouth of the tube . men have for much longer legs than women . ladies lack an epigynum . Fi/istata sp. ~ 18 mm (0. 7") Arizona 108 CRIBEllATES ERESIDS (Eresidae) of approximately a hundred species are present in Eurasia and Africa, none within the Americas. huge and furry, they resemble Mygalomorphs (p. 20). Eresids reside lower than a stone on the finish of a silken tube from which an internet extends past the stone among plant stems. the net resembles that of a Funnel Weaver (p.