A new genus and new species of Edessinae (Hemiptera: Heteroptera: Pentatomidae) Almeida, Flavio Roberto De Albuquerque Nunes, Benedito Mendes Fernandes, Jose Antonio Marin Zootaxa 2018 2018-02-01 4377 2 254 268 Amyot & Serville 1843 [364,488,1121,1147] Insecta Pentatomidae GBIF Animalia Hemiptera 1 255 Arthropoda subFamily Edessinae    1. Body rounded; anterior apex of metasternal process not surpassing mesocoxae, sulcate but not clearly bifurcated ( Fig. 1)......................................................................................  BrachystethusLaporte  - Body with different shapes but usually elongate, lateral margins subparallel; metasternal process clearly surpassing mesocoxae, anterior part with different shapes but never only sulcate ( Figs. 2–4)........................................ 2   2. Metasternal process anteriorly clearly bifurcated ( Fig. 2)...................................................... 4  - Metasternal process projected anteriorly in a simple process ( Figs. 3, 4).......................................... 3   3. Metasternal process long, surpassing procoxae ( Fig. 3), laterally compressed, fused with sterna; humeral angles slightly projected and acute.......................................................................... PantochloraStål  - Metasternal process short, not reaching procoxae ( Fig. 4), conical, not in contact with sterna; humeral angles projected laterally, apices sharp................................................................  DoesburgedessaFernandes   4. Antennae four-segmented; second antennomer very long, at least three times longer than the first ( Fig. 5); humeral angles globose.........................................................................  PeromatusAmyot & Serville  - Antennae five-segmented ( Fig. 6); second antennomer short, at most twice longer than the first; humeral angles variable in shape............................................................................................... 5   5. Posterior margin of pronotum with a large pair of spines overlapping basal angles of scutellum ( Fig. 7); humeral angles long, sinuous, and laterally directed..................................................................... OlbiaStål  - Posterior margin of pronotum without large spines or other projections ( Fig. 8); humeral angles variable in shape......... 6   6. Head with 6-8 solid black stripes, punctures of the head concentrated on these stripes ( Fig. 9); proctiger with a medial carina on posterior face.......................................................... GrammedessaCorreia & Fernandes  - Head with punctures sparse or concentrated but never on black solid lines ( Fig. 10); posterior face of proctiger without medial carina............................................................................................... 7   7. Humeral angles rounded or acute but shorter than head width ( Figs. 11, 12)........................................ 8  - Humeral angles globose, depressed dorsoventrally or acute and normally longer than head width ( Figs. 13, 14).......... 12   8. Species elongate; humeral angles acute ( Fig. 11, red arrow); abdominal segment VII projected posteriorly ( Figs. 15, 16) and contrastingly dark at least in distal half ( Figs. 11, 20)......................................................... 9  - Species rounded; humeral angles rounded ( Fig. 12, red arrow); abdominal segment VII not posteriorly projected ( Fig. 17) and concolorous with connexivum ( Fig. 12)................................................................... 13   9. Legs with black stripes ( Fig. 18); antennae black, except first segment with a ventral yellow spot ( Fig. 18); pygophore with posterolateral angles developed and posterolaterally directed ( Figs. 23–25); females with gonapophysis 9 bearing a small tumescence at the base of gonocoxites 9 ( Figs. 40, 41)........................................  Plagaedessa  gen. n. - Legs unicolorous ( Fig. 19); antennae yellow to light brown ( Fig. 19); pygophore with posterolateral angles barely developed and posteriorly directed; females without tumescence on gonapophysis 9........................................ 10   10. Corium uniformly brown with contrastingly yellow veins sometimes strongly branched ( Fig. 20); abdominal segment VII at least 1.5 times longer than wide at base ( Fig. 15); proctiger with posterior face rounded; phallus with a distal constriction; capsula seminalisas big as or bigger than laterotergites 8 and 9...........................subg. PygodaAmyot & Serville  - Corium brown variegate with whitish and blackish spots ( Figs. 8, 11); abdominal segment VII at most 1.2 times longer than wide at base ( Fig. 16); proctiger with posterior face flat; phallus not constricted distally; capsula seminalissmaller than laterotergitos 8 and 9.................................................................................... 11   11. Pronotum unicolorous ( Fig. 11); dorsal surface of abdomen mostly metallic blue ( Fig. 11); posterior part of proctiger expanded laterally in a flat plate (see Silva et al. 2013— Figs. 2, 27); gonocoxites 8 somewhat reduced, leaving visible the sclerotized gonapophyses 8...............................................................  ParaedessaSilva & Fernandes  - Pronotum with dark transversal stripe ( Fig. 8); dorsal surface of abdomen never metallic blue; posterior part of proctiger not expanded laterally, posterior face thick; gonocoxites 8 never reduced, leaving visible at most a tiny membranous part of gonapophyses 8............................................................ subg. HypoxysAmyot & Serville   12. Humeral angles long, apex acute ( Fig. 13, red arrow); abdominal segment VII twisted and strongly projected posteriorly, far surpassing genital plates or pygophore; pronotum with an anterior yellow stripe ( Fig. 13)...................................................................................................... subg. DorypleuraAmyot & Serville  - Humeral angles variable in length, apex globose ( Fig. 14, red arrow); abdominal segment VII not twisted and not projected as far posteriorly as above, not reaching to slightly surpassing genital plates or pygophore; pronotum without anterior yellow stripe ( Fig. 14) (except  Edessa pictiventris Stål, 1872)...................................... subg.  EdessaFabricius   13. Pronotal disk tumid; body covered with dark punctures; arms of the metasternal process developed and sometimes slightly laterally compressed ( Fig. 21); Central America (except Ascra bifidaSay, 1832 also found in north part of South America).................................................................................................. AscraSay  - Pronotal disk not tumid; body covered with concolorous or light brown punctures; arms of the metasternal process strongly laterally compressed ( Fig. 22), barely developed in some species; South America (except the widespread species  Edessa rufomarginata(De Geer, 1773))................................................. subg.  AceratodesAmyot & Serville