Hypoxys oxyacanthus (Breddin, 1904) 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 : 425

publication ID

https://doi.org/ 10.11646/zootaxa.4742.3.1

publication LSID

lsid:zoobank.org:pub:44ECBE3C-DEA4-4A6B-87D8-D7065591577C

DOI

https://doi.org/10.5281/zenodo.3684955

persistent identifier

https://treatment.plazi.org/id/720587AC-3165-D907-44B2-6FFFFDD31D39

treatment provided by

Plazi

scientific name

Hypoxys oxyacanthus
status

 

Group H. oxyacanthus

( Figs. 12–16 View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 View FIGURE 16 A–E; 19 K–L, 20 A–H; 23)

Diagnosis. Pronotum and scutellum with brown punctures of the same size, uniformly distributed, and never on dark spots ( Figs. 19K View FIGURE 19 , 20A, C, E, G View FIGURE 20 ). Spots on pronotum usually restricted to narrow, short, transverse spots close to each humeral angle, these spots can become incomplete stripes, or complete smoky brown stripes in H. oxyacanthus ( Fig. 19K View FIGURE 19 ), or complete solid black stripes in H. infulatus ( Fig. 20C View FIGURE 20 ). Connexivum without large black spots that extend ventrally as in H. quadriden s group ( Fig. 18A View FIGURE 18 ); usually green with yellow median spot; green part can turn brown or yellow in specimens not well preserved. Body lighter ventrally than dorsally, transversally striped in green and yellow, sometimes green stripes turn light brown (maybe a preservation problem) ( Fig. 20B,D,F View FIGURE 20 ). Metasternal process with anterior arms more tumid than in H. quadriden s group species. Pygophore with superior process of genital cup subtriangular, deeply excavated black, close to proctiger, and a little further from dorsal rim than in H. quadriden s group. Margin of diaphragm, at base of proctiger, with row of setae. Paramere with head pyramidal; shaft with carina on inner side that splits distally in an arch uniting anterior and posterior apex ( Fig. 12B View FIGURE 12 ); anterior lobe somewhat elongated and rounded; posterior lobe laterally directed. Ventral rim central excavation shallowly excavated; expansions surpassing level of posterolateral angles in ventral view ( Figs. 12–16C View FIGURE 12 View FIGURE 13 View FIGURE 14 View FIGURE 15 View FIGURE 16 ). Females with genital plates very similar and are hard to separate, except H. infulatus ( Fig. 14D View FIGURE 14 ). Gonocoxites 8 typically with posterior margin straight or slightly sinuous and slanting; and sutural border divergent on distal half; inner angle rounded and overlapping base of gonocoxites 9.

Head. Mandibular plates with apex concolorous; lateral margin without spot. Antennae yellow to brown with setae more densely distributed on antennomeres IV and V; second antennomere longer than third ( Figs. 19K View FIGURE 19 , 20A,C,E,G View FIGURE 20 ).

Thorax. Apex of humeral angle with margin black and slightly curved posteriorly ( Fig. 20C View FIGURE 20 ). Cicatrices with concolorous punctures delimiting anterior sulci. Scutellum with apex not punctured. Black spot of costal margin reaching approximately 1/4 of corial margin. Propleura with a green stripe on anterolateral margin; punctures concolorous or brown. Evaporatorium rugulose, concolorous to whitish ( Fig. 20B View FIGURE 20 ). Metasternal process ( Fig. 19F View FIGURE 19 ) with anterior bifurcation receiving fourth and half of the third rostral segment.

Abdomen. Connexivum with punctures concentrated in two excavated areas separated by median yellow callous ( Fig. 20A, C, E, G View FIGURE 20 ). One trichobothrium positioned in line with spiracles and the other located laterad of this line.

The group H. oxyacanthus is composed of Hypoxys oxyacanthus , H. brachyacanthus , H. infulatus , H. leptacanthus , H. tragelaphus , and a few new species.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Hemiptera

Family

Pentatomidae

Genus

Hypoxys

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