Mecocephala zikani Schwertner, Grazia and Fernandes, 2002

de Barros, Lurdiana Dayse, Barão, Kim Ribeiro & Grazia, Jocelia, 2022, Taxonomic updates on the Mecocephala group (Hemiptera: Pentatomidae): redescription of Mecocephala Dallas and Paramecocephala Benvegnú, Journal of Natural History (J. Nat. Hist.) 55 (43 - 44), pp. 2691-2747 : 2721-2723

Mecocephala zikani Schwertner, Grazia and Fernandes, 2002

( Figures 1f , 2e , 8a – 1d , 29 ; Table 1)

Mecocephala zikani Schwertner, Grazia and Fernandes, 2002: 182–183 , figs 6, 34.

Type material examined. BRAZIL: MINAS GERAIS: Holotype, f*, Virginia, Fazenda Campos , 14 Octuber 1920, 1.500 m // Coleção J. F. Zikan, no. 135 ( FIOC) .

Diagnosis. Body colour dark brown. Antennomere 3 slightly flattened dorsally, and not grooved dorsally. Bucculae rectilinear. Proportions of labiomeres 1 <2> 3 <4. Outline of anterolateral margins of pronotum smooth, not punctate. Median furrow of each peritreme of ESES long, reaching more than half of peritreme; outer margins of metapleural evaporatorium concave; metathoracic spiracles narrow. Spiracles of abdominal sternite 2 not covered by metathorax.

Female genitalia. Valvifers 8 sub-equal to the laterotergites 9 in length; posterior margins sinuous. Laterotergites 8 with posterior margins acutely projected. Valvifers 9 flat, with posterior margins concave ( Figure 8d ). Laterotergites 9 triangular, acutely projected apically.

Male unknown.

Measurements. See Table 1.

Remarks. Mecocephala zikani differs from its congeners by lateral margin of bucculae rectilinear, posterior margin of laterotergites 8 and 9 acutely projected.

Distribution. Brazil (Minas Gerais) ( Figure 29 ).

Figures

Figure 1. Head and pronotum of Mecocephala in dorsal view. (a) Mecocephala acuminata; (b) Mecocephala bonariensis; (c) Mecocephala curculionoides; (d) Mecocephala magna; (e) Mecocephala maldonadensis; (f) Mecocephala zikani. Scale bars = 0.5 mm.

Figure 2. Head and prothorax of Mecocephala in lateral view. (a) Mecocephala acuminata; (b) Mecocephala bonariensis; (c) Mecocephala magna; (d) Mecocephala maldonadensis; (e) Mecocephala zikani. Scale bars = 0.5 mm.

Figure 8. Mecocephala zikani Schwertner, Grazia and Fernandes,2002. Holotype. (a–c) Habitus in dorsal, ventral and lateral view; (d) genital plates in posteroventral view. Scale bars: a–c = 2.0 mm; d = 0.5 mm.

Figure 29. Map showing the geographical distribution of Mecocephala and Paramecocephala species. Yellow star = new record of P. subsolana.