Tylospilus Stål, 1870

Brugnera, Ricardo, Paim, Marcelo Reginato, Roell, Talita, Dellapé, Gimena & Grazia, Jocelia, 2020, Taxonomic modifications in Tylospilus Stål (Hemiptera: Pentatomidae: Asopinae) redescription of T. nigrobinotatus (Berg), description of a new species and an updated identification key for the genus, Zootaxa 4766 (1), pp. 128-138 : 135-136

Key to the species of Tylospilus Stål, 1870 (modified from Thomas, 1992)

1. Longitudinal pale yellow stripe on clypeus and midline of pronotum present; humeral angles concolour with disc of pronotum................................................................................................ 2

- Longitudinal pale yellow stripe on clypeus and midline of pronotum absent (if present, never in both clypeus and pronotum); humeral angles discolour with disc of pronotum............................................................. 3

2. Humeral angles length distinctly greater than diameter of eye............................ T. distans Bergroth ( Fig. 42 )

- Humeral angles length subequal to the eye diameter................................ T. peruvianus (Horváth) ( Fig. 43 )

3. Humeral angles distinctly forwardly directed......................................... T. acutissimus Stål ( Fig. 44 )

- Humeral angles laterally directed......................................................................... 4

4. Clypeus contrastingly black or fumose; pro-, meso-, and metapleura lacking pale callosities.. T. chilensis (Spinola) ( Fig. 45 )

- Clypeus concolour with mandibular plates; pro-, meso-, and/or metapleura with pale callosities....................... 5

5. Anterior half of anterolateral margins of pronotum pale calloused, smooth......................................... 6

- Anterolateral margins of pronotum not calloused, crenulated................................................... 7

6. Scutellum with an entire black macula on the constriction portion; urosternites with pale calloused spots on all segments.............................................................................. T. megaspilus (Walker) ( Fig. 47 )

- Scutellum with 1+1 black bands on the constriction portion; urosternites pale yellow, without callosities.................................................................................................. T. cloelia Stål ( Fig. 46 )

7. Humeral angles strongly developed with apices dorsally directed; black spots on apices of radial veins equal to eye diameter; 1+1 pale calloused spots posterior to ostiolar peritremes present; a mesial row of black spots on urosternites IV–VII............................................................................... T. nigrobinotatus Berg ( Figs 17–19 )

- Humeral angles developed more laterally; black spots on apices of radial veins smaller than eye diameter; pale calloused spots posterior to ostiolar peritremes absent; VII urosternite with a mesial black spot..................................................................................... T. armatusimilis Brugnera, Paim & Grazia sp. nov. ( Figs 20–22 )

Figures

FIGURES 42–47. Dorsal view of Tylospilus species, with institution of deposition and place of collect of each specimen between parenthesis. T. distans (BHMH, Brazil—Mariliéria) (42); T. peruvianus (DBT, Bolivia—Santa Cruz de la Sierra) (43); T. acutissimus (JEE, United States—Pinal County) (44); T. chilensis (JEE, Chile—Coquimbo) (45); T. cloelia (JEE, Brazil— Ariquemes) (46); T. megaspilus (Holotype, NHMUK 010592365 Brazil—Santarém) (47). Scale bars: 2 mm.

FIGURES 17–24. Habitus of Tylospilus nigrobinotatus (17–19, 23) and Tylospilus armatusimilis sp. nov. (20–22, 24). Dorsal (17, 20), lateral (18, 21), ventral (19, 22) and frontal (23, 24) views. Scale bars: 1 mm.