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Podoscirtini from Madagascar and Nearest Regions

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Podoscirtini from Madagascar and Nearest Regions © Zoological Institute, St.Petersburg, 2004 Taxonomy of Podoscirtinae (Orthoptera: Gryllidae). Part 3: Podoscirtini from Madagascar and nearest regions A.V. Gorochov Gorochov, A.V. 2004. Taxonomy of Podoscirtinae (Orthoptera: Gryllidae). Part 3: Podoscirti- ni from Madagascar and nearest regions. Zoosystematica Rossica, 12(2), 2003: 187-215. Twelve genera belonging to a generic group with relatively primitive type of the male genitalia are characterized. They are distributed mainly in Madagascar, but some are known also from the Seychelles and Comores or from Africa; one genus possibly belong- ing to this group is known from Africa only. Six new genera, one new subgenus, and 24 new species are described; several other species are considered (including revisions of type material and information about systematic position of some forms). New synonymy is established: Kilimagryllus africanus (Walker, 1869) = Platydactylus fuliginosis Walk- er, 1869, syn. n. Lectotypes of Fryerius aphonoides and K. africanus are designated. A.V. Gorochov, Zoological Institute, Russian Academy of Sciences, Universitetskaya nab. 1, St.Petersburg 199034, Russia. This, third part of the series of papers on the tax- with guiding rod); the guiding rod is well devel- onomy of Podoscirtinae contains a partial review oped and partly fused (or almost fused) with the of Podoscirtini distributed in Madagascar, Sey- mold of spermatophore attachment plate; this chelles, and Comores as well as descriptions of mold is provided with more or less large (un- some African taxa of this tribe. The first and sec- paired) apodeme (Figs II: 5-7; III: 1-3, 6-8; IV: ond parts include a brief description of morphol- 1-3, 6-8; VI: 2-4, 6-8; VII: 4-6, 8-10; IX: 3-5; X: ogy and nomenclature of the male genitalia, a 3-5, 8-10; XI: 5-7, 10-12; XII: 3-5, 8-10; XIII: 3- partial review of Indo-Malayan Podoscirtini, and 5; XIV: 2-4, 9; XVI: 1-3, 6-13; XVII: 1-6; XVIII: new data on taxonomy of Australo-Oceanian 1-4; XIX: 1-14). These characters are present also Podoscirtini (Gorochov, 2002, 2003). in representatives of some Indo-Malayan and The material considered here is deposited at Australo-Oceanian Podoscirtini (Noctitrella Gor., the following institutions: Zoological Institute, Varitrella Gor., Matuanus Gor., Hemitrella Gor., Russian Academy of Sciences, St.Petersburg and possibly some others). The structure of tym- (ZIAS); Natural History Museum, London pana in the “Podoscirtus” generic group is di- (BMNH); Museum für Naturkunde der Hum- verse: both tympana are open; only outer tympa- boldt-Universität, Berlin (MNHU); Museo Na- num is open, but inner one is immersed and slit- cional de Ciencias Naturales, Madrid (MNCN); like or almost slit-like; one of tympana strongly Museum and Institute of Zoology, Polish Acad- reduced or absent. emy of Sciences, Warszawa (MIZP); Institute of Systematics and Evolution of Animals, Polish Genus Podoscirtus Serville, 1839 Academy of Sciences, Kraków (ISEA). Type species: Podoscirtus crocinus Serville, 1839. “PODOSCIRTUS” GENERIC GROUP Note. This genus is characterized by the follow- ing features: size very large; body elongate (Fig. I: This group is characterized by a rather primi- 1); head comparatively high, with rather narrow tive type of the male genitalia: the epiphallus is rostrum and large ocelli (Fig. II: 1); pronotum and rather long and of comparatively simple shape legs long and rather slender; fore tibiae without any (not divided into a large upper lobe and a pair of inflation; inner and outer tympana open and dis- lower lateral lobes); its apical part is usually with tinctly elongate (but not large); wings very long; two pairs of processes (a medial pair directed tegmina similar in both sexes (without traces of strid- more or less upwards and a lateral pair directed ulatory apparatus in male); male metanotum with- more or less backward or strongly reduced); the out any gland; male anal plate without central mem- ectoparameres are well developed, movable (ar- branous area (Fig. II: 2); male genital plate long, ticulated), connected with the epiphallus (but not narrowing to apex, and with characteristic apical 188 A.V. Gorochov: Taxonomy of Podoscirtinae. Part 3 • ZOOSYST. ROSSICA Vol. 12 part (Figs II: 3, 4); male genitalia comparatively apical part [Figs III: 1-3, 6-8 (in position of erec- small; their epiphallus long and provided with both tion: base of guiding rod and mold of spermato- pairs of spine-like apical processes (each medial phore attachment plate deformed and projecting process is with a small tubercle on its hind surface); backwards); Figs IV: 1-3, 6-8 (in position of ectoparameres almost stick-like, long, and thin; rest)]. From other genera of Podoscirtini, this guiding rod not very long, but wide and with rather genus differs in long wings, complete loss of narrow apical part; mold of spermatophore attach- stridulatory apparatus in male tegmina, well de- ment plate partly fused with guiding rod and pro- veloped and open both tympana, absence of vided with distinct apodeme; endoparameral apo- metanotal gland, and characteristic male copula- demes long; rami very short (Figs II: 5-7); oviposi- tory structures. tor long and with drilling apex (Fig. II: 8). Included species: type species; E. affinis sp. n.; The genus includes only the type species. E. voeltzkowi sp. n.; E. stolarczyki sp. n. Podoscirtus crocinus Serville, 1839 Eupodoscirtus idoneus sp. n. (Figs I: 1; II: 1-8) (Figs II: 9-11; III: 1-4) Neotype (designated by Gorochov, 1990). M, Mada- Holotype. M, Madagascar, “Perinet”, Olsufiev or Rob- gascar, “Fort Dauphin, Madagascar mer., Sikora, 1899” inson? (ZIAS). (ZIAS). Description. Male (holotype). Coloration light Other material examined. Madagascar: 1 M, 1 F, brown with almost dark brown narrow median “Rogez, Foret cote est”, “X-1932, A. Seyrig” (ZIAS). stripe on rostrum, spots under antennal cavities Note. The coloration of this species is charac- and on their membranes, stripe along clypeal su- teristic: the head is brown with dark brown fore ture, large spot above (between fore parts of eyes), part of epicranium, upper part of genae, hind part longitudinal bands behind eyes (Fig. III: 4) and of vertex, and antennal flagellum, light brown along upper edges of both pronotal lateral lobe mouthparts (including palpi) and sometimes low- and proximal part of tegminal lateral area, lower er parts of genae and longitudinal lines behind parts of 1st and 2nd segments of fore and middle eyes (Fig. II: 1); the pronotum is light brown with tarsi, upper parts of 10th abdominal tergite, and dark brown lateral lobes and yellowish bands lateral parts of anal plate, slight darkenings on along lateral edges of disc; the legs are almost scapes, greyish distal parts of hind wings, and uniformly light brown (only apices of femora, whitish membranous area of anal plate (Fig. II: 9). distal parts of tibiae, and tarsi are somewhat dark- Genitalia with short medial and lateral pairs of ened); the tegmina are light brown with yellow- apical epiphallic processes; size of all these proc- ish stripe along lateral side of dorsal part, grey- esses almost equal to that of tubercles on hind ish brown veins, and sometimes slightly dark- (upper) surface of medial processes; ectopara- ened lateral area; the hind wings are light grey- meres narrow; their apices acute and almost ish; the pterothorax and abdomen are darkish hooked (Figs III: 1-3). brown above and almost light brown beneath (but Female unknown. with darkish spots on lateral parts of abdominal Length (mm). Body 21; body with wings 29; sternites and male genital plate) (Figs II: 2-4); pronotum 3.2; tegmina 20; hind femora 13. the cerci are light brown. Length (mm). Body: M 36-40, F 38; body with Eupodoscirtus affinis sp. n. wings: M 60-63, F 63; pronotum: M 6-7, F 6.7; (Figs III: 5-9) tegmina: M 46-48, F 48; hind femora: M 30-32, F 31; ovipositor 23. Holotype. M, Madagascar, “S. C. [Süd Central] Mada- gaskar, Hildebrandt”, “Podoscirtus” (MNHU). Genus Eupodoscirtus gen. n. Paratype. Madagascar: M, “Betsileo” (MIZP). Description. Male (holotype). Very similar to Type species: Eupodoscirtus idoneus sp. n. E. idoneus, but distinguished from it by follow- Diagnosis. Similar to Podoscirtus, but distin- ing characters: size slightly smaller; dark medi- guished from it by following characters: size an stripe of rostrum fused with darkenings under much smaller; body slightly shorter; legs distinct- antennal cavities and with upper darkish part (be- ly shorter; male anal plate with large and almost tween fore parts of eyes) (Fig. III: 5); membra- round membranous area (Figs II: 9, 12); male nous area of anal plate brownish; genitalia with genital plate with transverse fold in middle part much longer medial pair of apical epiphallic proc- (Figs II: 10, 11); male genitalia comparatively esses and almost without lateral pairs of these larger; epiphallus and lateral pair of its apical processes (latter pair presented by short rounded processes much shorter; ectoparameres with two projections) (Figs III: 6-8). characteristic projections in proximal part, some- Variation. Dark median stripe of rostrum not times rather wide; guiding rod with less narrow fused with darkenings under antennal cavities; ZOOSYST. ROSSICA Vol. 12 • A.V. Gorochov: Taxonomy of Podoscirtinae. Part 3 189 12 Figs I (1, 2). Habitus of male from above. 1, Podoscirtus crocinus Serv. (after Chopard, 1948); 2, Stenogryllodes lucens Chop. (after Chopard, 1952). darkish stripe along clypeal suture and darken- (for comparison see Figs III: 8, 9)]. ings on tegmina almost absent; medial pair of Female unknown. apical epiphallic processes directed upwards [in Length (mm). Body 16-17; body with wings holotype, they are directed almost forward (pos- 21-23; pronotum 2.7-2.9; tegmina 15-16.5; hind sible deformation as result of genital erection) femora 9.5-10.
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