5 most venomous spiders 2/5
Wałęsak Brazilian - These spiders are achieving from 17 to 48 mm of the body length. From other representatives families are standing out with the presence at both of sex thick scopulae (of clumps of hair) on przednio-bocznej of surface of the shin and feet nogogłaszczków and with defensive attitude with the raised body moving to sides and two high raised initial pairs of limbs.
Genital organs of males are distinguishing themselves kubkowatą centre apofizą tegularną, with membranous conductor and swollen, bent embolusem.
Genitals of females with the triangular or quadrangular sexual tile about centre field taken out and spherical spermatekach. Karapaks of these spiders is oval, longer than wide, rounded off at the front and cut at the back, coloured brown with black lines on side edges and with black groove tułowiowym.
Eyes have put on swollen hillocks, in two rows drawn aside towards the back. Three teeth are appearing on front and five on the back edge szczękoczułków. Sternum at the front is cut, at the back pointed. Limbs are