Cataulax froeschneri, Grazia & Campos & Becker, 2000

Grazia, Jocélia, Campos, Luiz A. & Becker, Miriam, 2000, Revision of Cataulax Spinola, with Architas Distant as a New Synonymy (Heteroptera: Pentatomidae: Discocephalini), Anais da Sociedade Entomológica do Brasil 29 (3), pp. 475-488 : 482-484

Cataulax froeschneri , n. sp.

( Figs. 2B , 3B , 4B , 5B )

Obovate, glossy above, semiglossy to matter beneath. Punctures fuscousto ferruginous, coarser above.

Head with punctures along 2+2 longitudinal bands, onebordering the jugae, another internal, partially covering clypeus. Pronotum with six, posteriorly divergent, bands of fuscous punctures, much as in C. radians , the two innerbands continuous with ones on head, emphasizing radiating pattern; a single row of fuscous punctures just inside the narrowly carinate anterolateral margin; many fine ferruginous punctures interspersed with coarser fuscous ones. Punctures of scutellum fuscous and irregularly distributed, not arranged in bands, along basal portion formingfour darker patches. Hemelytra densely punctured with two oblique clusters of denser punctures on endocorium; punctures on exocorium arranged in three, parallel, longitudinal lines, with intervening, narrow laevigate bands, much as in C. eximius . Apex of scutellum subtriangular. Punctures of connexivum arranged in two vague longitudinal rows intercalated by a narrow laevigate band; anterolateral angles of segments narrowly infuscated. Rostrum surpassing middle of fourth abdominal sternite. Median mesosternal plate conspicuously convex anteriorly. Posterior margin of metasternum almost as wide as anterior margin. Median abdominal furrow very shallow.

Male. Apical margin of membrane distinctly sinuate at middle, with a short transversalsubmarginal sulcus; four external veins convergentto a darkerpeg external to thesulcus ( Fig. 2B ).

Measurements (mm). Lengthofhead 1.96; anteocular length 1.31; width of head 3.60; interocular width 2.29; interocelar width 1.14; length of antennal segments: I 0. 65, II 1. 31, III 1. 31, IV 2. 13, V 2,13; pronotallength 2.62; pronotalwidth 7.54; lengthof scutellum 6.72; width of scutellum 5.41; abdominal width 7.05; total length 11.97.

Lobe of internal border of postero-lateral angles of pygophore well produced. Proctiger with 1+1 carina at mid length, converging posteriorly. Parameres three branched, the external one, thesmallest, acute; internal one curved over proctiger; distal one, the largest, flaplike ( Figs. 3B , 4B , 5B ).

Female. unknown.

Type-material. Holotype male, Brazil, Mato Grosso, Cáceres IV/03/1985, C. Elias leg. ( UFPR).

Etymology. This species is dedicated to Dr.

Richard C. Froeschner for his contribution to the knowledge of the Heteroptera.

Comments. By the structureof the parameres and the pattern of the membrane venation this species is similar to C. subtiliterconspersus ; the presence of bands of fuscous punctures on head and pronotum and arranged in four darkest patches along basal portion of scutellum distinguish C. froeschneri from C. subtiliterconspersus in which the punctures do not form bands or patches.

Figures

Figure 2. Male’s hemelytral membrane.A) C. eximius Stål, 1860; B)C. froeschneri, n. sp.; C) C. pudens (Distant, 1889); D) C. radians, n. sp.; E) C. subtiliterconspersus, n. sp.

Figure 3. Pygophore, dorsal view. A) C. eximius Stål, 1860; B) C. froeschneri, n. sp.; C)C. pudens (Distant, 1889); D) C. radians, n. sp.; E) C. subtiliterconspersus, n. sp. (db = dorsal border, pla = postero-lateral angles, par = parameres, prpro = process of proctiger, vm= ventral margin, IX= 9th abdominal segment, X= 10th abdominal segment).

Figure 4. Pygophore, ventral view. A) C. eximius Stål, 1860; B) C. froeschneri, n. sp.; C) C. pudens (Distant, 1889); D) C. radians, n. sp.; E)C. subtiliterconspersus, n. sp. (pla = posterolateral angles, par = parameres, vb= ventral border, IX= 9th abdominal segment, X= 10th adominal segment).

Figure 5. Pygophore, posterior view. A) C. eximius Stål, 1860; B)C. froeschneri, n. sp.; C)C. pudens (Distant, 1889); D) C. radians, n. sp.; E) C. subtiliterconspersus, n. sp. (db = dorsal border, pla = postero-lateral angles, par = parameres, prpro = process of proctiger, vb = ventral border, X = 10th abdominal segment).