hypandrium

hypandrium

[hi′pan·drē·əm]
(invertebrate zoology)
A plate covering the genitalia on the ninth abdominal segment of certain male insects.
References in periodicals archive ?
Hypandrium anteriorly convex, posterior-ventral on basal side rounded, superior lobe of hypandrium half as long as theca, sur-stylus apically dilated (Sorokina and Cheng, 2007; Claussen and Weipert, 2004).
It belongs to the Siphonella genus group (Kanmiya 1983), with the following characters: head much wider than long; face concave, with a linear median carina; gena narrow; frons speckled, thickly clothed with short setulae, and sparsely microtomentose universally or in reticular-form; scutum as long as wide, convex, minutely or weakly shagreened, glossy or entirely microtomentose in both sexes; male surstylus highly specialized, incrassate and semi-globose, larger than epandrium in lateral view; gonites not well demarcated; hypandrium closed (Sabrosky 1980; Kanmiya 1983; Merz 2008).
Hypandrium small, membranous, joined laterally to each clasper; phallosome apodeme long, slender, distally divided in two arms, each ending in an elliptic membranous area (Fig.
Right lobe of hypandrium with elongate, broad left process and short, bilobed right process.
Eyes separated by 1.0 (male) or 1.5-2.0 (female) facet diameters; antenna with 14 flagellomeres, the 3 apical subequal are reduced in size, 11th and 12th fused, 14th separated and spherical; ascoids Y-shaped; wing with medial fork incomplete; female subgenital plate pilose on distal half and with lateral margins convex; male terminalia with gonostyle coniform with a group of alveoli at base and short setae sparsealy distributed, aedeagus asymmetrical, bifid with left branch little longer and wider in dorsal view, one short sinuous paramere articulat with aedeagus and a small projection of the hypandrium, gonocoxal apodeme strongly sclerotized, pilose ventrally and with rounded distal margin.
corollae Faricius, epandrium small, pair of cerci bean shape attached with epandrium, pair surstyli short triangular, hypandrium apically slightly narrowed; aedeagus tubular shape, two short rounded teeth attach on posterior end
First flagellomere shorter than scape 3 and pedicel combined; hypandrium not as below --.
Congomochtherus rufinota: Tomasovic 2006: 148 (figs 6 epandrium, 7 gonocoxite & dististylus, 8 hypandrium, 9 aedeagus).