epiphallus

epiphallus

[¦ep·ə′fal·əs]
(invertebrate zoology)
A sclerite in some orthopterans in the floor of the genital chamber.
References in periodicals archive ?
Epiphallus reduced; cercus in profile anteriorly almost entirely straight and gently curved backward subapically, with anterior protuberance between cerci in the midlength small, posteriorly slightly concave at midlength and rounded subapically; cerci in posterior view subtriangular, with lateral edges almost in a straight line.
Epiphallus (Figs 3A-C, 4A, 5A-C, 6A-B).--The epiphallus is a narrow bridge connecting two lateral plates which bear small hooked ancorae on their anterior margins, and broad, rounded, widely separated, lobe-like lophi on their posterior margins.
2D-E); hypophallus less than the length of paraphallus; epiphallus long and thin (Fig.
Dorsum of pronotum crossed by four broad black sulci, (Fig.1) prosternal process bifurcate (Fig.F), apex of male cercus straight (Fig.G) Ancorae of epiphallus straight, turning outward lophi elongated (Fig.E) median lobe of female subgenital plate broad with two spiny ridges (Fig.
Dirsh decribes the integument as being strongly tuberculate, and his diagnosis emphasizes the presence of a fastigial furrow and a short epiphallus. Unlike Dirsh (1965), we find that only G.
The convolute vas deferens widens more or less abruptly into a wider, rather muscular and shining terminal portion (epiphallus?).
Epiphallus size small, ancorae of medium length, turning outwards; lophi elongate, not lobe-shaped pointed inwards, with subacute apices.
8) Without an epiphallus. 9) Uterus almost as long as prostate and shorter than free oviduct + vagina.
Diagnosis: Body usually slender; pronotum usually with median and lateral carinae; tegmina and wings fully developed; spurious median vein of tegmina usually absent; prosternal process usually absent; femoro-tegminal stridulatory mechanism absent; hind femur without row of modified peg like structures at lower edge of inner surface; male with epiphallus bridge shaped having ancorae and lophi, aedeagus with basal apical valves connected by flexure.