Pentatomiana, Grazia & Barcellos, 2004

Grazia, Jocélia & Barcellos, Aline, 2004, Pentatomiana beckerae gen. nov. and sp. nov., a new Neotropical Pentatomini (Hemiptera, Heteroptera, Pentatomidae), Revista Brasileira de Zoologia 21 (2), pp. 283-285 : 283-284

Pentatomiana gen. nov.

Type species: P. beckerae sp. nov.

Diagnosis. Medium size (9.7-11.2 mm), broad-oval outline. Dorsal surface strongly rugose. Head subquadrangular; jugae sligthly longer than clypeus, parallel, with rounded apex. Antennifer tubercle with a little spine at outer apical angle. First antennal segment not surpassing apex of head. Bucculae anteriorly truncated, lobed posteriorly; first rostral segment entirely lying between them. Eyes small, subpedunculate. Ocelli minute; distance between each ocellus and eye about one-eye length. Rostrum attaining base of fourth sternite. Pronotum transversally divided by a subcalosed carina. Apex of scutellum broad and rounded, reaching about half of sixth tergite. Ostiolar aperture rounded; peritreme obsolete; evaporatory area very reduced, ocupying 1/3 to 1/4 of the distance between ostiole and outer margin of metepisternum, and a small area ante- riorly to ostiolum, on mesepimeron. Mesosternum with median longitudinal carina, little elevated. Metasternum flat. Tibiae dorsally sulcate. Abdomen mutic.Tricobothria paired, on each side of an imaginary line across the middle of spiracles. Spiracles ovate.

Male genitalia. Pygophore subquadrangular, with posterolateral angles rounded. Genital cup processes present. Parameres well developed, bilobed.

Female genitalia. Genital plates perpendicular to longitudinal axis of body. Spiracles of laterotergites 8 present.

Comments. Pentatomiana gen. nov. shares several characters with Lojus : brachyptery, dorsal surface strongly rugose, minute ocelli, obsolete ostiolar peritreme, evaporatory area reduced, parameres bilobed and perpendicular position of female genital plates. These similarities suggest a close phylogenetic relationship between these two genera. Acladistic analysis including these genera and others with similar characters will be presented elsewhere. Pentatomiana gen. nov. can be easily distinguished from Lojus by the brachyptery ocurring in male specimens, less produced humeral angles, rounded ostiolar aperture and pronotum divided by a transversal carina.