Paroecanthini Gorochov 1986

Abstract

KEY TO GUIANESE PAROECANTHINI GOROCHOV, 1986 KEY ADAPTED FROM CAMPOS ET AL. (2020) FOR GUIANESE SPECIES. 1. Body not robust, slightly flattened; FWs covering the whole abdomen; male FW stridulatory apparatus complete, PCu vein bisinuous; auditory tympana present on both sides of TI, rarely absent on inner side; male genital sclerites generally regressed....................................................................... Paroecanthina Gorochov, 1986 (2) — Body robust or not, not flatenned; apterous, brachypterous, or with developed FWs; males with developed FWs with longitudinal veins, only with PCu curved, or with developed stridulatory apparatus; when curved, PCu vein not bisinuous; auditory tympana absent, present only on inner side of TI, or present only on outer side of TI; male genital sclerites developed.................................................................. Tafaliscina Desutter, 1988 (3) 2. TI inflated; outer tympanum covered by a sclerotized tab; FIII as long as TIII; TIII subapical spurs 5/4; female ovipositor apex margins smooth, ovipositor tip pointed........................ Angustitrella vicina (Chopard, 1912) — TI not inflated; outer tympanum exposed; FIII twice longer than TIII; TIII subapical spurs 4/3; female ovipositor apex margins serrulated, ovipositor tip slightly concave............................... Perutrella septentrionalis n. sp. 3. Small size; FWs absent.......................................................... Cylindrogryllus (Apterotrypa) Gorochov, 2017 (4) — Medium to large size; FWs present............................................................................................................... 5 4. Ocelli present; TIII without a dark brown band on proximal region; male last abdominal tergite constricted medially similar to supra anal plate; male genitalia LLophi inner margin bearing strong bristles; EndSc elongate; copulatory papilla dorsal and ventral side almost same-sized...................... C. (Apterotrypa) mitarakensis n. sp. — Ocelli absent; TIII with a dark brown band well discernible on proximal region; male last abdominal tergite not modified; male genitalia LLophi inner margin without bristles; EndSc short; copulatory papilla dorsal side three times longer than ventral side.............................................................. C. (Apterotrypa) guyanensis n. sp. 5. FWs with stridulatory apparatus; male supra anal plate bearing a median spine; male genitalia LLophi apex bifid...................................................................... Adenophallusia de Mello & de Camargo e Mello, 1996 (6) — FWs only with longitudinal veins, sometimes with PCu curved; male supra anal plate without spine; male genitalia LLophi apex not divided................................................................................................................. 7 6. Male FWs covering the supra anal plate; harp crossed by three diagonal veins; median spine of supra anal plate with base enlarged; both lobes of LLophi of male genitalia with pointed apex; Female FWs covering abdomen but not supra anal plate; copulatory papilla not cylindrical, posterior margin with a median rounded projection................................................................................................................. Adenophallusia legendrei n. sp. — Male FWs not covering the supra anal plate; harp crossed by four diagonal veins; median spine of supra anal plate with base not enlarged; inner lobe of LLophi of male genitalia with pointed apex; Female FWs not covering the last three abdominal tergites; copulatory papilla cylindrical, posterior margin without a median rounded projection...................................................................................................... Adenophallusia aratayensis n. sp. 7. Ocelli generally absent, reduced when present; PCu not curved, without teeth ventrally; metanotum with median region elevated; absence of small dorsal protuberances on fore and mid tibiae; male genitalia only with LLophi. Female apex of ovipositor pointed, smooth laterally; copulatory papilla triangular in dorsal and ventral views............................................................................................................ Brazitrypa Gorochov, 2011 (8) — Ocelli present, well developed; PCu vein curved, sometimes with teeth ventrally; metanotum without projections, or with two lateral projections; presence of small dorsal protuberances on fore and mid tibiae, sometimes absent; male genitalia with MLophi and LLophi. Female apex of ovipositor truncated or slightly acuminated, serrulated laterally; copulatory papilla cylindrical.................................................... Tafalisca Walker, 1869 (9) 8. DD reddish brown; hindleg light brown; copulatory papilla curved downwards in lateral view; male genitalia LLophi hook-shaped................................................................................................ Brazitrypa cornuta n. sp. — DD medium to dark brown; FIII anterior region light brown, distal portion dark brown, TIII dark brown; copulatory papilla straight in lateral view. Male unknown:. Brazitrypa maroniensis (Chopard, 1930) n. comb. 9. General coloration light brown, DD light brown, caudal margin dark brown, with two median maculae dropshaped horizontally dark brown; FWs veins medium to dark brown; PCu curved reaching middle region of FW; male genitalia LLophi curved upwards in lateral view..... Tafalisca elongata elongata (Chopard, 1912) n. comb. — General coloration reddish brown, DD reddish brown, without maculae; FWs veins light brown; PCu curved almost reaching inner margin of FW; male genitalia LLophi straight or slightly curved upwards in lateral view...................................................................................................................................................... 10 10. Flagellum with sparse dark brown antennomeres; FWs light brown with dark brown spots; claws yellow; metanotum with two lateral projections; male genitalia MLophi very short................................ Tafalisca hugeli n. sp. — Flagellum without dark brown antennomeres; FWs medium brown without dark brown spots; claws medium to dark brown; metanotum without projections; male genitalia MLophi elongate, almost half size of LLophi..... 11 11. Flagellum reddish brown; TIII subapical spurs dark brown; PCu vein with stridulatory teeth ventrally; male genitalia LLophi outer margin with bristles; PsP anterior margin larger than posterior in ventral view; R distal half twice wider than anterior half in lateral view....... Tafalisca vestigialis Campos, Souza-Dias & Nihei, 2020 — Flagellum yellowish; TIII subapical spurs apex yellow; PCu vein without stridulatory teeth ventrally; male genitalia LLophi outer margin without bristles; PsP anterior margin thinner than posterior in ventral view; R distal and anterior half almost same width in lateral view........................................................... Tafalisca ansoi n. sp.Published as part of Campos, Lucas Denadai De & Desutter-Grandcolas, Laure, 2020, The Paroecanthini crickets (Orthoptera: Grylloidea: Gryllidae: Oecanthinae) from French Guiana, pp. 355-398 in Zoosystema 42 (20) on pages 393-394, DOI: 10.5252/zoosystema2020v42a20, http://zenodo.org/record/396294