Neometrypus Desutter, 1988

Campos, Lucas Denadai De & Souza-Dias, Pedro G. B., 2021, Hidden in the bushes: uncovering the diversity of the genus Neometrypus Desutter 1988 n. status (Orthoptera: Gryllidae: Paroecanthini: Tafaliscina) in Neotropical forests, Zootaxa 5060 (4), pp. 451-488 : 483-484

Key to species of Neometrypus Desutter, 1988

1. FWs absent, median projection of metanotum absent......................................................... 2

- FWs present, median projection of metanotum present........................................................ 3

2. Antenomeres banded, base of subapical spurs of TIII dark brown; apex of basitarsomere of TIII dark brown; apex of LLophi rounded............................................................... Neometrypus amazonus Desutter, 1988

- Antenomeres not banded, base of subapical spurs of TIII same colour as tibia; apex of basitarsomere of TIII with uniform coloration; apex of LLophi truncated................................................... Neometrypus couriae n. sp.

3. First abdominal sternite prominent ( Fig. 19J, K )............................................................. 4

- First abdominal sternite not prominent..................................................................... 6

4. Abdominal tergites with similar coloration......................................... Neometrypus mendoncae n. sp.

- Abdominal tergites medium to dark brown on the last three or five tergites ( Fig. 13A, G )............................ 5

5. Abdominal tergites with median longitudinal bands ( Fig. 13A, G ); FWs not reaching posterior margin of metanotum; LLophi shorter than PsP; PsP without inner projection on inner face in ventral view................... Neometrypus maiae n. sp.

- Abdominal tergites without bands; FWs reaching posterior margin of metanotum; LLophi same size or longer than PsP; PsP bearing an inner projection on inner face in ventral view................. Neometrypus badius Mesa & García-Novo 2001

6. Abdominal tergites without delimited longitudinal band, dark brown, uniform ( Fig. 11A, G )..... Neometrypus lopesae n. sp.

- Abdominal tergites crossed by a median, well delimited, longitudinal band, generally dark brown ( Figs 3A ; 5A ; 7A, G ; 15A, G ; 17A, G ; 21A, G )................................................................................... 7

7. Last abdominal tergite with similar coloration of others tergites ( Figs 3A , 21A ).................................... 8

- Last abdominal tergite dark brown, different from other tergites ( Figs 5A , 7A , 15A , 17A )............................ 9

8. Pronotum DD brownish orange, median projection of metanotum reddish ( Fig. 3D ); median band of abdominal tergites welldelimited, dark brown ( Fig. 3A ); abdominal sternites totally or partially dark brown ( Fig. 3F )... Neometrypus azevedoi n. sp.

- Pronotum dorsal disk yellowish-brown, median projection of metanotum yellowish ( Fig. 21A, G ); median band of abdominal tergites not well-delimited ( Fig. 21A, G ); abdominal sternites whitish ( Fig. 21F ).............. Neometrypus monnei n. sp.

9. Pronotum and abdominal tergites dark brown laterally, not spotted............................................. 10

- Pronotum and abdominal tergites not dark brown laterally, spotted ( Figs 7A , 15A , 17A )............................ 11

10. Pronotum medium brown to yellowish-brown; FWs inner margins overlapped..... Neometrypus aculeatus (Saussure, 1878)

- Pronotum entirely dark brown except median longitudinal band brownish orange ( Fig. 5A ), FWs inner margins not touching each other.................................................................... Neometrypus carvalhoi n. sp.

11. Supra anal plate dark brown ( Fig. 15E ); sternites with thin and short horizontal stripes dark brown on latero-posterior margins ( Fig. 15F )..................................................................... Neometrypus marcelae n. sp.

- Supra anal plate anterior margin dark brown, posterior margin light brown or yellowish-brown ( Figs 7E , 17E ); sternites without horizontal stripes on latero-posterior margins............................................................... 12

12. Median projection of metanotum same color as pronotum and abdominal tergites, anterior margin almost straight ( Fig. 17D ); median band abdominal tergites fading distally; posterior margin of supra anal plate rounded ( Fig. 17E ); LLophi posterior margin rounded; PsP longer than LLophi ( Fig. 18A, B ); copulatory papilla flattened dorso-ventrally, not fended ventrally ( Fig. 18F )........................................................................ Neometrypus mejdalanii n. sp.

- Median projection of metanotum darker than pronotum and abdominal tergites, its anterior margin rounded ( Fig. 7D ); median band abdominal tergites well delimited through entire abdomen ( Fig. 7A, G ); posterior margin of supra anal plate straight ( Fig. 7E ); LLophi posterior margin truncated; PsP same size or shorter than LLophi ( Fig. 8A, B ); copulatory papilla cylindrical, fended ventrally ( Fig. 8 E-G)....................................................... .. Neometrypus catiae n. sp.

Figures

FIGURE 3. Neometrypus azevedoi n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Scales A–B: 5mm, C–F: 1mm.

FIGURE 5. Neometrypus carvalhoi n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Scales A–B: 5mm, C–F: 1mm.

FIGURE 7. Neometrypus catiae n. sp. Male:A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Female: G—habitus, dorsal; H—habitus, lateral; I—supra anal plate and ovipositor, dorsal; J—subgenital plate and ovipositor, ventral. Scales A–B, G–H: 5mm; C–F, I–J: 1mm.

FIGURE 8. Neometrypus catiae n. sp. Male genitalia: A—dorsal, B—ventral, C—lateral, D—posterior. Copulatory papilla: E—dorsal, F—lateral, G—ventral. Scales 1mm. Abbreviations see material and methods.

FIGURE 11. Neometrypus lopesae n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Female: G—habitus, dorsal; H—habitus, lateral; I—supra anal plate and ovipositor, dorsal; J—subgenital plate and ovipositor, ventral. Scales A–B, G–H: 5mm; C–F, I–J: 1mm.

FIGURE 13. Neometrypus maiae n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Female: G—habitus, dorsal; H—habitus, lateral; I— supra anal plate and ovipositor, dorsal; J—subgenital plate and ovipositor, ventral. Scales A–B, G–H: 5mm; C–F, I–J: 1mm.

FIGURE 15. Neometrypus marcelae n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Female: G—habitus, dorsal; H—habitus, lateral; I—supra anal plate and ovipositor, dorsal; J—subgenital plate and ovipositor, ventral. Scales A–B, G–H: 5mm; C–F, I–J: 1mm.

FIGURE 17. Neometrypus mejdalanii n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Female: G—habitus, dorsal; H—habitus, lateral; I—supra anal plate and ovipositor, dorsal; J—subgenital plate and ovipositor, ventral. Scales A–B, G–H: 5mm; C–F, I–J: 1mm.

FIGURE 18. Neometrypus mejdalanii n. sp. Male genitalia: A—dorsal, B—ventral, C—lateral, D—posterior. Copulatory papilla: E—dorsal, F—lateral, G—ventral. Scales 1mm. Abbreviations see material and methods.

FIGURE 19. Neometrypus mendoncae n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—supra anal plate; E—subgenital plate and last abdominal sternites. Female: F—habitus, dorsal; G—habitus, lateral; H—supra anal plate and ovipositor, dorsal; I—subgenital plate and ovipositor, ventral. Sternites: J—ventral view, K—lateral view. Scales A–B, F–G: 5mm; C–E, H–K: 1mm. Abbreviations: ThSt – thoracic sternite, AbSt – abdominal sternite.

FIGURE 21. Neometrypus monnei n. sp. Male: A—habitus, dorsal; B—habitus, lateral, C—head, frontal; D—metanotum, dorsal; E—supra anal plate; F—subgenital plate and last abdominal sternites. Female: G—habitus, dorsal; H—habitus, lateral; I—supra anal plate and ovipositor, dorsal; J—subgenital plate and ovipositor, ventral. Scales A–B, G–H: 5mm; C–F, I–J: 1mm.