Desutterella Souza-Dias, Campos & de Mello, 2017

Souza-Dias, Pedro G. B., Campos, Lucas Denadai De & Mello, Francisco De Assis Ganeo De, 2017, Desutterella n. gen., a new genus of Luzarinae (Orthoptera: Grylloidea: Phalangopsidae) and the first report of the Aracambiae group Souza-Dias & Desutter-Grandcolas, 2014 in the Amazon, Zootaxa 4350 (1) : -

publication ID	https://doi.org/ 10.11646/zootaxa.4350.1.8
publication LSID	lsid:zoobank.org:pub:71604B67-59FF-4BCC-A4B7-97B3ABC2611E
DOI	https://doi.org/10.5281/zenodo.6042087
persistent identifier	https://treatment.plazi.org/id/03D987FE-FFC7-FFD1-FF15-47FEFE7BFCAB
treatment provided by	Plazi
scientific name	Desutterella Souza-Dias, Campos & de Mello
status	gen. nov.

Treatment

Desutterella Souza-Dias, Campos & de Mello View in CoL n. gen.

Etymology. Taxon named after the French Orthopterist Laure Desutter-Grandcolas, for her work on Neotropical Grylloidea.

Type species. Desutterella manauara Souza-Dias, Campos & de Mello n. sp.

Species included. Desutterella manauara Souza-Dias, Campos & de Mello n. sp., Desutterella colombiana Souza-Dias , n. sp.

Distribution. Amazon Forest, in Brazil (Amazonas State), and Colombia (Amazonas Department).

Diagnosis. Size small, slender, as the other genera from Aracambiae group. General coloration light to medium brown. Head, pronotum and legs I and II with sparse, thick setae. Fastigium with double row of thick setae. Three ocelli, large, circular. Maxillary palpi elongated, joints 3–5 whitish, pilose. Legs elongated, not annulated; tympanum on inner face of TI. Male. Metanotum with two projections rounded, whitish, glandular. Male FWs short, rounded, membranous; right FW medium brown, apex light brown, pilose; stridulatory file very reduced; veins and areas for sound propagation absent. Male genitalia. Male genitalia bearing a pair of genital glands within pseudepiphallic sclerite, connected to tubular pseudepiphallic arms. Pseudepiphallic arms curved outwards. Pseudepiphallic parameres highly sclerotized; PsP2 with two pairs of distinct projections. Female. Almost same size as males. Females FWs yellowish brown, transparent, small, reaching first abdominal tergite.

Description. Occiput and vertex with thick setae ( Figs. 2 A–D View FIGURE 2 , 5 A–C View FIGURE 5 ). Fastigium wider than long, with double row of thick setae, below vertex level and not separated from it by line or furrow ( Figs. 2 A–D, G View FIGURE 2 , 5 A–C, F View FIGURE 5 ). Three ocelli, large, circular ( Figs. 2G View FIGURE 2 , 5F View FIGURE 5 ). Antennal scape longer than wide ( Figs. 2 A–D View FIGURE 2 , 5 A–C View FIGURE 5 ). Maxillary palpi elongated, joints 3–5 elongated, whitish, pilose, joint 4 longest ( Figs. 2J View FIGURE 2 , 5E View FIGURE 5 ); joint 5 curved, apex rounded ( Figs. 2J View FIGURE 2 , 5E View FIGURE 5 ). Pronotum DD longer than wide, with thick setae, mainly on cephalic margin ( Figs. 2 A–F View FIGURE 2 , 5A, B View FIGURE 5 ). Tergites slightly pubescent, without apparent tergal glands ( Figs. 2A, B, D View FIGURE 2 , 5A View FIGURE 5 ). Legs I and II not annulated, with thick setae. Tympanum on inner face of TI. TIII not annulated. Subapical spurs 4/4, with serrulation between and above them; inner distal subapical spur near upper apical; apical spurs 3/3, more developed on inner face; inner apical spurs: dorsal longest (iad), median slightly shorter (iam), ventral smaller (iav) (iad>iam>iav); outer apical spurs: median longest (oam), dorsal slightly shorter (oad), ventral smaller (oav) (oam>oad>oav). Basitarsus III with double row of spines.

Male. Metanotum with two glandular projections whitish, rounded ( Figs. 2D, E View FIGURE 2 , 3 A–B View FIGURE 3 , 5D View FIGURE 5 ). Male FWs short, reaching half of abdomen ( Figs. 1A View FIGURE 1 , 2A View FIGURE 2 , 5A View FIGURE 5 ); right FW medium brown, pilose ( Figs. 2A, C View FIGURE 2 , 5 A–C View FIGURE 5 ); without specialized veins or areas for sound production and propagation; left FW membranous, transparent, lateral field medium brown ( Fig. 5D View FIGURE 5 ). Supra anal plate not constricted medially ( Figs. 2H View FIGURE 2 , 5H View FIGURE 5 ); distal margin without extended angles ( Figs. 2H View FIGURE 2 , 5H View FIGURE 5 ). Subgenital plate elongated, pubescent ( Figs. 2I View FIGURE 2 , 5G View FIGURE 5 ).

Male genitalia. Male genitalia bearing a pair of genital glands within pseudepiphallic sclerite, connected to tubular pseudepiphallic arms ( Figs. 4 A–C View FIGURE 4 , 6 A–C View FIGURE 6 ). Pseudepiphallus: pseudepiphallic sclerite transverse, ( Figs. 4 A–C View FIGURE 4 , 6 A–C View FIGURE 6 ); pseudepiphallic arms curved outwards ( Figs. 4A, B View FIGURE 4 , 6A, B View FIGURE 6 ); apex with opening duct, rounded. Rami elongated, connected to pseudepiphallic sclerite, reaching apex of ectophallic apodemes ( Figs. 4A View FIGURE 4 , 6A View FIGURE 6 ). Pseudepiphallic parameres (PsP) highly sclerotized ( Figs. 4 A–C View FIGURE 4 , 6 A–C View FIGURE 6 ); PsP2 with two pairs of distinct projections: one elongated, upcurved, lateral; second small, medial, semicircular, visible in dorsal view ( Figs. 4A View FIGURE 4 , 6A View FIGURE 6 ); PsP1 elongated ( Figs. 4B View FIGURE 4 , 6B View FIGURE 6 ). Ectophallic invagination. Ectophallic apodemes elongated, thin ( Figs. 4A View FIGURE 4 , 6A View FIGURE 6 ). Ectophallic fold sclerotized, surrounding apex of medio-posterior projection of endophallic sclerite ( Figs. 4B View FIGURE 4 , 6B View FIGURE 6 ). Endophallus. Endophallic sclerite large, flat ( Figs. 4B View FIGURE 4 , 6B View FIGURE 6 ); latero-posterior projections short; medio-posterior projection elongated ( Figs. 4B View FIGURE 4 , 6B View FIGURE 6 ). Endophallic apodeme paired, curved outwards, apex pointed ( Figs. 4B View FIGURE 4 , 6B View FIGURE 6 ).

Female. In comparison with other Luzarinae crickets, females of Desutterella Souza-Dias, Campos & de Mello n. gen. are almost same-sized as males—in the Aracambiae genera, frequently the females are larger than males. Head, pronotum, abdomen and legs with thick setae ( Figs. 1B View FIGURE 1 , 2B View FIGURE 2 ). Females FWs small, translucent, reaching half of first tergite ( Figs. 2B, F View FIGURE 2 ). Supra anal plate pubescent, slightly constricted medially ( Figs. 2K View FIGURE 2 ). Subgenital plate pubescent, small ( Figs. 2L View FIGURE 2 ). Female genitalia: copulatory papilla small, basis rounded, apex pointed centrally ( Figs. 3 D–F View FIGURE 3 ).