08/30/2024
The abdomen mainly has an oval shape, less often round, angular, or equipped with various kinds of processes (kind Gasteracantha, PhORONCIDIA), sometimes has a very elongated, worm -shaped form (Ariamnes Flagellum Dol.); On the bottom of its base there is a sexual hole, in males in the form of a simple transverse slit, in females it is surrounded by a thickened chitin plate - an epigine (epigynum s. Sarum) with a linguistic, curved process (clavus s. Ovipositor).