Hypoxys triangularis (Dallas, 1851) Nunes & Campos & Mendonca & Cunha & Fernandes, 2020

Nunes, Benedito Mendes, Campos, Lourival Dias, Mendonca, Maria Thayane Da Silva, Cunha, Eduardo Victor De Paiva & Fernandes, Jose Antonio Marin, 2020, Revision of Hypoxys Amyot & Serville, 1843 stat. rest. (Heteroptera Pentatomidae), Zootaxa 4742 (3), pp. 401-441 : 419-420

Group H. triangularis

( Figs. 9–11 A–E; 19 E–J; 22)

Diagnosis. This group compared with H. quadriden s group is characterized by absence of features. Species belonging to H. triangularis group can be identified by the general and uniform green color ( Fig. 19H,J ) (except H. triangularis ), except for a median large yellow spot on abdominal venter ( Fig. 19F ); and typically, without any transversal dark stripe on ventral surface ( Fig. 19F,H,J ). This group also doesn’t have the anterolateral margin of pronotum black ( Fig. 19E,G,I ). Doesn’t have a transversal dark stripe on pronotum, except H. triangularis , that is a striking characteristic of the rest of the species groups of Hypoxys. Connexivum without black spots ( Fig. 19E,G,I ). Males have the head of paramere usually with a single lobe elongated and anteriorly directed ( Fig. 9B ). Females share the outer lateral angle of gonocoxites 8 varying from a small tooth to a large acute projection ( Figs. 9D , 10D , 11D ).

Head. Mandibular plates with apices concolorous; lateral margin without spot. Antennae yellow with setae more densely distributed in antennomeres III, IV and V; third antennomere longer than second ( Fig. 19E,G,I ).

Thorax. Apex of humeral angle with margin brown. Scutellum with punctures black; anterior margin without a yellow stripe ( Fig. 19G ). Propleura with punctures concolorous concentrated on posterior half. Evaporatorium concolorous to slightly whitish. Metasternal process ( Fig. 9E ) with anterior bifurcation receiving fourth and most of third rostral segment.

Abdomen. Connexivum with two barely excavated areas ( Fig. 19E,G,I ). One trichobothrium positioned in line with spiracles and the other located laterad of this line.

Male. Pygophore with distal part of dorsal surface coarse and reddish brown ( Figs. 9A , 10A , 11A ). Superior process of genital cup black, emarginated, and placed near base of proctiger. Base of paramere with a rounded protuberance ( Fig. 9B ).

Female ( Figs. 9D , 10 , D, 11D ). Gonocoxites 8 convex. Gonocoxites 9 with distal margin straight to slightly concave. Laterotergites 9 with outer lateral margin sinuous, well projected beyond sclerite uniting laterotergites 8; almost reaching level of laterotergites 8.

This group of species includes: H. triangularis , H. capito , H. subrastratus , and several new species.

Figures

FIGURE 9. H. triangularis. A–C Male, pygophore; A—dorsal view; B—posterior view; C—ventral view. D—Female, genital plates. E—metasternal process (Scale = 1mm).

FIGURE 10. H. capito. A–C Male, pygophore; A—dorsal view; B—posterior view; C—ventral view. D—Female, genital plates. E—metasternal process (Scale = 1mm).

FIGURE 11. H. subrastratus. A–C Male, pygophore; A—dorsal view; B—posterior view; C—ventral view. D—Female, genital plates. E—metasternal process (Scale = 1mm).

FIGURE 19. Dorsal and ventral view. H. offuscatus A–B; H. trabeculus C–D; H. triangularis E–F; H. capito G–H; H. subrastratus I–J; H. oxyacanthus K–L (Scale = 5mm).