epigynum

epigynum

[ə′pij·ə·nəm]
(invertebrate zoology)
The genital pore of female arachnids.
The plate covering this opening.
References in periodicals archive ?
Epigynum noticeably hard, with wide median septum(MS), epigynum scape with two depressions on its each side (Fig.
Males of the latter genus can be recognized by their usually short embolus, with a proximal tegular lobe, distal hematodocha highly reduced, and finger-like RTA; and females by their epigynum without distinct window, and copulatory ducts usually short (Zhang & Maddison 2015).
The female epigynum of the genus Hemicloea have a peculiar, folded scapus, which expands during copulation.
The nomenclature of the male palpus and female epigynum structures follows Redner & Dondale (1983).
The original description mentions 3 males and 2 females and the epigynum is dissected from the female, an additional label mentions "see slide 20, Smokies, Sept 18, 1937" but the slide and other specimens in the type series are missing.
He also mentions a clear abdominal pattern, light venter, and an epigynum as in Hogna helluo (Walckenaer 1837).
Walking by the prosoma and chelicerae of the unaggressive female, the male moved towards the eunuch, now protecting the female epigynum on her venter (Fig.
Described by de Blauwe (1973) but dorsal view of epigynum was neither illustrated nor described.
viridans females, as he found that the two openings of a mated female's epigynum were usually plugged with a hard, black material, often with the two-pronged distal portion of the paracybium of a male palpus inserted in each opening and embedded in the material.
italiense can be easily differentiated from T uhligi, whose copulatory ducts unite before opening in the center of the epigynum.
Opisthosoma with dorsal colour patch, framed black and white; epigynum with two large medial depressions (Figs.