Janeirona Distant, 1911

Sampaio, Vinícius Gomes, Oliveira, Giulia Valadão De & Campos, Luiz Alexandre, 2024, Revision of Janeirona Distant, 1911 (Hemiptera: Pentatomidae: Ochlerini) with the description of four new species from Brazil, Zootaxa 5497 (4), pp. 451-495 : 454-455

publication ID	https://doi.org/10.11646/zootaxa.5497.4.1
publication LSID	lsid:zoobank.org:pub:173E2990-D5C9-4AA5-8185-988DC64F6DCD
DOI	https://doi.org/10.5281/zenodo.13621332
persistent identifier	https://treatment.plazi.org/id/03BB87D3-FFD4-FF85-FF4E-F9AB60E6CCE0
treatment provided by	Plazi (2024-08-30 14:09:42, last updated 2024-11-29 16:13:46)
scientific name	Janeirona Distant
status

Treatment

Key to the species of Janeirona Distant

1 Distal half of antennomeres I surpassing the mandibular plates ( Figs. 4 View FIGURE 4 , A; 23 View FIGURE 23 , A).................................. 2

- Distal half of antennomeres I not surpassing the mandibular plates ( Figs. 17 View FIGURE 17 , A; 31 View FIGURE 31 , A).............................. 4

2 Antennomeres I not dilated ( Fig. 23 View FIGURE 23 , A); pygophore posterolateral angles with acute apices directed to each other ( Fig. 24 View FIGURE 24 , A, E)................................................................................................. 3

- Antennomeres I dilated ( Fig. 4 View FIGURE 4 , A); pygophore posterolateral angles with rounded apices not directed to each other ( Fig. 5 View FIGURE 5 , A, E)........................................................................ Janeirona insignis Distant, 1911

3 Antennomeres II clavate, with less than half the length of antennomeres I ( Fig. 23 View FIGURE 23 , A); ventral body color predominantly dark brown ( Fig. 22 View FIGURE 22 , B, C)....................................................... Janeirona costalimai ( Pirán, 1962)

- Antennomeres II subcylindric, with more than half the length of antennomeres I ( Fig. 27 View FIGURE 27 , A); ventral body color predominantly ocher ( Fig. 26 View FIGURE 26 , B)................................................. Janeirona aurea Sampaio & Campos sp. nov.

4 Labium attaining urosternite III ( Fig. 34 View FIGURE 34 , B)................................................................ 5

- Labium not attaining urosternite III ( Fig. 10 View FIGURE 10 , B)............................................................. 7

5 Posterior margin of eyes forming an angle of less than 45º with the longitudinal body axis ( Fig. 31 View FIGURE 31 , A)................. 6

- Posterior margin of eyes forming an angle of about 45º with the longitudinal body axis ( Fig. 35 View FIGURE 35 , A)................................................................................... Janeirona roellae Sampaio & Campos sp. nov.

6 Legs yellowish, contrastingly lighter than the ventral abdomen ( Fig. 30 View FIGURE 30 , B); inner margins of mandibular plates concave anterior to clypeus ( Fig. 31 View FIGURE 31 , A)........................................... Janeirona flavipes Sampaio & Campos sp. nov.

- Legs the same color of the ventral abdomen ( Fig. 39 View FIGURE 39 , B); inner margins of mandibular plates straight anterior to clypeus ( Fig. 40 View FIGURE 40 , A)......................................................... Janeirona stenosa Sampaio & Campos sp. nov.

7 Body length greater than 14 mm; antennomeres I surpassing the apex of mandibular plates ( Fig. 17 View FIGURE 17 , A); pygophore posterolateral angles with truncated apices (Fig. 48, A, E)...................................... Janeirona bergi ( Kormilev, 1956)

- Body length less than 14 mm; antennomeres I not surpassing the apex of mandibular plates ( Fig. 11 View FIGURE 11 , B); pygophore posterolateral angles with rounded apices ( Fig. 12 View FIGURE 12 , A, E)...................................... Janeirona vianai ( Kormilev, 1956)

References

Distant, W. L. (1911) Rhynchotal notes. - LIV. Pentatomidae from various Regions. Annals and Magazine of Natural History, Series 8, 7 (40), 338 - 355. https: // doi. org / 10.1080 / 00222931108692948

Kormilev, N. A. (1956) Notas sobre Pentatomoidea neotropicales V (Hemiptera). Acta scientifica de los institutos de investigacion de San Miguel, 4, 3 - 4.

Piran, A. A. (1962) Hemiptera Neotropica VI. Una nueva especie de Zimmeria Ruckes 1958 (Pentatomidae). Mitteilungen der Munchner Entomologischen Gesellschaft, 52, 253 - 256.

Figures

FIGURE 4. Janeirona insignis Distant, 1911, A, head and pronotum in dorsal view; B, labiomeres I and II; C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 5. Janeirona insignis Distant, 1911, male, pygophore, A, dorsal; B, dorsolateral; C, posterior; D, lateral; E, ventral, F, segment X. Scale bars A–E = 2 mm; F = 1 mm.

FIGURE 10. Janeirona vianai (Kormilev, 1956), female, A, dorsal; B, ventral; C, lateral. Scale bar = 5 mm.

FIGURE 11. Janeirona vianai (Kormilev, 1956), A, head and pronotum in dorsal view; B, labiomeres I and II; C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 12. Janeirona vianai (Kormilev, 1956), male, pygophore,A, dorsal; B, dorsolateral; C, posterior; D, lateral; E, ventral, F, segment X. Scale bars: A–E = 2 mm; F = 1 mm.

FIGURE 17. Janeirona bergi (Kormilev, 1956), A, head and pronotum in dorsal view; B, labiomeres I and II; C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 22. Zimmeria costalimai Pirán, 1962, male alotype, A, dorsal; B, ventral; C, lateral; D, labels. Scale bar = 10 mm.

FIGURE 23. Janeirona costalimai (Pirán, 1962), A, head and pronotum in dorsal view; B, labiomeres I, II and labial intercalary segment (arrow); C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 24. Janeirona costalimai (Pirán, 1962), male, pygophore, A, dorsal; B, dorsolateral; C, posterior; D, lateral; E, ventral. Scale bar = 2 mm.

FIGURE 26. Janeirona aurea Sampaio & Campos sp. nov., male holotype, A, dorsal; B, ventral; C, lateral; D, labels. Scale bar = 10 mm.

FIGURE 27. Janeirona aurea Sampaio & Campos sp. nov., A, head and pronotum in dorsal view; B, labiomeres I and II; C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 30. Janeirona flavipes Sampaio & Campos sp. nov., male holotype, A, dorsal; B, ventral; C, lateral; D, labels. Scale bar = 5 mm.

FIGURE 31. Janeirona flavipes Sampaio & Campos sp. nov., A, head and pronotum in dorsal view; B, labiomeres I, II and labial intercalary segment (arrow); C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 34. Janeirona roellae Sampaio & Campos sp. nov., male holotype, A, dorsal; B, ventral; C, lateral; D, labels. Scale bar = 5 mm.

FIGURE 35. Janeirona roellae Sampaio & Campos sp. nov., A, head and pronotum in dorsal view; B, labiomeres I and II; C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.

FIGURE 39. Janeirona stenosa Sampaio & Campos sp. nov., female holotype, A, dorsal; B, ventral; C, lateral; D, labels. Scale bar = 5 mm.

FIGURE 40. Janeirona stenosa Sampaio & Campos sp. nov., A, head and pronotum in dorsal view; B, labiomeres I and II; C, external scent efferent system. Scale bars: A = 5 mm; B = 1 mm; C = 2 mm.