Ctenodontina Camargo, Vieira & Rafael, 2023, stat. rev.
Creators: name: Camargo, Alexssandro
name: Vieira, Rodrigo
name: Rafael, José Albertino
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Asilidae
Ctenodontina

description: Identification key to species of Ctenodontina and Catostola stat. rev. (males)
1. Sternite 8 with a mid-posterior projection bilobed (Fig. 2C–D) or Y-shaped (Fig. 6B, D–G) and always ending before the apex of the epandrium (Figs 1D, 2A, C, 6B, D–G); epandrial arms rounded distally (Figs 2A–C, 6), slender and thick until the rounded apex (Figs 2A–C, 6); hind femur of males with a subrectangular projection with short and stout macrosetae (Fig. 1A–C) or with 5 stout projections ending in black teeth (Figs 4A, 7A–E); hind tibia of males curved (Fig. 1B–C) or sigmoid (Fig. 7B, F)on basal third; females with tergite 8 compressed laterally and S8 without ventral keel (Fig. 3A–D).................................................................................................. Ctenodontina …2
1’. Sternite 8 with a mid-posterior projection rounded apically and ending beyond the apex of the epandrial arms (Figs 10E, 17E, 23E, 28E, 33E, 39E); epandrial arms narrowing towards tip, finger-like apically, more or less laterally compressed since the base (Figs 11E, 15F, 20E, 24E, 29E, 34E, 40E); hind femur of males with (Figs 14C, 26, 37) or without swelling (if swelling present, rounded and small) (Figs 9A, 16A, 17C, 18A, 27A, 38A); hind tibia of males always straight (Figs 9A, 14C, 16A, 17C, 18A, 22A, 26, 27A, 32A, 37, 38A); females with abdominal tergite 8 expanded laterally (Figs 13B–C, 31B–C, 36B–C, 42B–C) and S8 ventrally with a keel (Figs 13D, 31D, 36D, 42D)..................................... Catostola stat. rev. …3
2. Mystax entirely white (Fig. 1A); hind femur with a subrectangular projection (sack-like), with short, stout macrosetae (Fig. 2A–C); hind tibia curved (Fig. 37B–C).................................. Ctenodontina mochica Lamas, 1973 (Peru).
2’. Mystax white with a few black setae dorsally (Fig. 4C–D); hind femur with 5 ventral projections (comb-like) with apical stout black teeth (Figs 4A, 7A–E); hind tibia sigmoid (Fig. 7A–B, F)...... Ctenodontina pectinatipes Enderlein, 1914 (Colombia).
3. Hind femur of males with a ventral, small, rounded swelling with short, stout macrosetae (Figs 14C, 26, 37)............. 4
3’. Hind femur of males without ventral swelling (Figs 9A, 16A, 17C, 18A, 27A, 38A)................................ 6
4. Femoral swelling shallow, inconspicuous and almost indistinct (Figs 14C, 32A, 37); epandrium only with a smooth indentation on its dorsal margin at mid-length (Fig. 34E) or without indentation (Fig. 15A–B, 15F); epandrial apex ending in a distal pointed process (Figs 15A–B, F, 34E); gonocoxite pointed with apex sickle-like shaped apically (Figs 15G–H, 35D–E).... 5
4’ Femoral swelling pronounced, conspicuous and distinct (Figs 22A, 26); epandrium with a conspicuous indentation on its dorsal margin at mid-length (Fig. 24E); epandrial apex rounded without apical distal process (Fig. 24E); gonocoxite expanded and rounded apically (Fig. 25D–E).............. Catostola maya (Carrera & d’Andretta, 1953) comb. rev. (Peru and Bolivia).
5. Anterior margin of epandrium elongate, tapering towards apex (Fig. 34E); dorsal epandrial margin with a gentle indentation dorsally at mid-length (Fig. 34E); epandrium process long, very conspicuous apically with apical projection almost straight, only slightly curved downwards (Fig. 34E)... Catostola sagta (Vieira, Ayala-Landa & Rafael, 2017) comb. nov. (Argentina).
5’ Anterior margin of epandrium not elongate, almost parallel length until epandrium mid-length (Fig. 15A–B, F); dorsal epandrial margin without indentation, gently concave (Fig. 15A–B, F); epandrium process small apically with apical projection curved downwards (Fig. 15A–B, F)....................................... Catostola carrerai Hull, 1958 comb. rev. (Peru).
6. Epandrium with finger-like projection placed dorsally (Figs 11E, 17D–E, 20E, 40E); cercus without macrosetae; subepandrial sclerite without ventral keel (Figs 12H–I, 17D–F, 21H–I, 41H–I)................................................ 7
6’. Epandrium strongly excavated dorsally with finger-like projection placed ventrally (Fig. 29E); cercus with short stout macrosetae at apex ventrally (Fig. 30H–I); subepandrial sclerite with a ventral keel (Fig. 30H)....................................................................... Catostola nairae (Vieira, 2012) comb. nov. (Ecuador, Brazil, Peru and Bolivia).
7. Hind femur entirely black (Figs 18A, 38A)................................................................. 8
7’. Hind femur yellow with black distal third and with an anterodorsal black stripe fading proximally (Figs 9A, 16A)......... 9
8. Epandrial finger-like projection slightly dilated sub-apically (Fig. 20E); gonocoxite strongly narrowing sub-apically (Fig. 21D– E); subepandrial sclerite without projections ventrally (Fig. 21H–I)........................................................................................... Catostola martini (Fisher, 1992) comb. nov. (Mexico and Guatemala).
8’. Epandrial finger-like projection not dilated sub-apically, smoothly curved (Fig. 40E); gonocoxite strongly narrowing at mid-length (Fig. 41D–E); subepandrial sclerite with an Y-shaped inverted ventral projection (Fig. 41H–I)....................................................................................... Catostola indecisa sp. nov. (Costa Rica).
9. Epandrium strongly constricted at mid-length forming the epandrial finger-like projection, slightly longer than half of epandrial length (Fig. 17D–E) with apex truncate (Fig. 17D–E); S8 with mid-posterior projection constricted at base (Fig. 17G)......................................................... Catostola complicata (James, 1953) comb. nov. (Honduras).
9’. Epandrium strongly constricted only sub-apically forming the epandrial finger-like projection with less than 1/3 of epandrial length (Fig. 11E) with apex pointed (Fig. 11E); S8 with mid-posterior projection without constriction at base (Fig. 11D)............................................... Catostola baleta (Walker, 1849) comb. nov. (Colombia and Venezuela).
description: Published as part of Camargo, Alexssandro, Vieira, Rodrigo & Rafael, José Albertino, 2023, Taxonomic review of Ctenodontina Enderlein, 1914 with the revalidation of Catostola Hull, 1958 (Diptera: Asilidae: Asilinae) and description of a new species, pp. 1-71 in Zootaxa 5276 on pages 68-69, DOI: 10.11646/zootaxa.5276.1.1, http://zenodo.org/record/7907294