Euscorpius bonacinai, Kovařík & Šťáhlavský, 2020

Kovařík, František & Šťáhlavský, František, 2020, Five new species of Euscorpius Thorell, 1876 (Scorpiones: Euscorpiidae) from Albania, Greece, North Macedonia, and Serbia, Euscorpius 315, pp. 1-37 : 3-4

Euscorpius bonacinai sp. n.

( Figures 10–45 , 184 , Table 1 )

http: //zoobank. org / urn: lsid: zoobank. org: act: 24837678- 7078-4297-B4D9-4026A0C535EC

TYPE LOCALITY AND TYPE REPOSITORY. Albania, Vlorë County, Mali i Cikës, Maja e Gurrës , 2010 m a. s. l. ; HNHM.

TYPE MATERIAL. Albania, Vlorë County, Mali i Cikës, Maja e Gurrës, 2010 m a. s. l., 12.VIII.2004 , HNHM No. 2004/101, 1♂ (holotype), leg. Z. Fehér; Vlorë County, Cikë Mts , pine forest N of the Llogara Pass, 40°12'43.0"N 19°34'45.0"E, 860 m a. s. l., 11. V.2006, 1♀ (paratype), leg. Dányi, Kontschán and Murányi, HNHM.

ETYMOLOGY. The species epithet is a patronym honoring our colleague Alberto Bonacina, the author of important early studies on the genus Alpiscorpius (Euscorpiidae) .

DIAGNOSIS (♂ ♀). Total length 35 mm. Color reddish black, pedipalp reddish brown, legs and telson yellow. Pedipalp patellar external trichobothria numbers: 5 eb, 4 eb a, 2 esb, 4 em, 4 est, 6 et, ventral aspect of patella with 8–9 trichobothria. Pectinal teeth number 9 in male, 7 in female. Chelicerae yellow, very slightly reticulated. Male with pedipalp fingers type C, female with fingers undulate. Dorsal metasomal carinae on III– IV segments irregularly granulated. Dorsolateral metasomal carinae on II–IV segments absent. Ventrolateral metasomal carinae on II–IV segments present and smooth. Metasoma V ventrally with median carina developed. Chela length/width ratio, 2.5 in male and 2.75 in female. Metasoma IV length/width ratio, 1.99 in male and 1.89 in female. Telson length/depth ratio, 2.50 in male and 3.13 in female.

DESCRIPTION (♀ ♂). Total length about 35 mm in both sexes. The habitus is shown in Figs. 10–13 . For position and distribution of trichobothria of pedipalps, see Figs. 38–44 . Sexual dimorphism, see below in the description.

Coloration ( Figs. 1–2 ). Base color uniformly reddish black, sternites lighter, yellowish brown, legs and telson yellow, pedipalps reddish brown. Chelicerae yellow and very slightly reticulate.

Carapace and mesosoma ( Figs. 10–13 , 14–17 ). Carapace finely granulated with several smooth areas; carinae are absent. The anterior margin of the carapace is straight. Carapace with two lateral eyes. Tergites finely granulated, without developed carina. Tergite VII lacking lateral and median carinal pairs. Sternites III–VII smooth and lustrous; VII lacking lateral and median carinae. Stigmata small, narrow ellipical. Pectinal teeth number 9 in male and 7 in female, fulcra are present. Pectines have three marginal lamellae and five middle lamellae.

Metasoma and telson ( Figs. 22–29 ). Metasoma very sparsely hirsute and finely granulated. Dorsal metasomal carinae on II–V segments distinctively irregularly granulated; dorsolateral carinae absent; ventrolateral carinae present, smooth on segments II–IV and granulated on segment V. Metasoma V ventrally granulated with median carina developed, metasoma I–IV with ventral median carina indicated to absent. Anal arch with small pigmented granules. Telson finely granulated, elongate in female and swollen in male, with annular ring absent in female and developed in male. Aculeus short, more curved in male.

Pedipalps ( Figs. 30–45 ). Pedipalps very sparsely hirsute. Patella with 25 (5 eb, 4 eb a, 2 esb, 4 em, 4 est, 6 et) external and 8–9 (2 x 8, 2 x 9) ventral trichobothria. Chela with 4 ventral trichobothria, of which V 4 is located on external surface near Eb 1. Femur and patella granulated, femur roughly and patella with fine, reticulated granules. Femur has granulated developed carinae; ventroexternal carina is incomplete. Patella with 5 complete carinae including irregular wide externomedian. DPS well developed. Manus dorsally with fine, rounded granules, which do not form median carina; only five chelal carinae are developed, of which dorsoexternal is almost absent in female. Male with pedipalp fingers type C, female with fingers undulate.

Legs ( Figs. 18–21 ). Both pedal spurs present on all legs, lacking spinelets; tibial spurs absent. Tarsus with single row of spinules on ventral surface, terminating distally with two essentially adjacent spinules.

Measurements. See Table 1 .

AFFINITIES. E. bonacinai sp. n. is morphologically most similar to E. solegladi Fet et al., 2014 from Bulgaria and Greece. These two species are differentiated according to trichobothrial pattern: E. bonacinai sp. n. has pedipalp patella with 4 eb a and 8–9 ventral trichobothria and E. solegladi has 5–6 eb a and 9–10 ventral trichobothria.

DISTRIBUTION. Albania ( Fig. 184 ).

Figures

Figure 184. Map of distribution of five species described here.

Figures 10–13: E. bonacinai sp. n. Figures 10–11. Male holotype in dorsal (10) and ventral (11) views. Figures 13–14. Female paratype in dorsal (12) and ventral (13) views. Scale bar: 10 mm.

Figures 14–23: E. bonacinai sp. n. Figures 14, 16, 18–21, 23. Male holotype, carapace and tergites I–III (14), coxosternal area and sternites III–V (16), left legs I–IV, retrolateral aspect (18–21 respectively), and telson lateral (23). Figures 15, 17, 22. Female paratype, carapace and tergites I–III (15), coxosternal area and sternites III–IV (17), and telson lateral (22).

Figures 24–29: E. bonacinai sp. n. Figures 24–26. Female paratype, metasoma and telson lateral (24), dorsal (25), and ventral (26) views. Figures 27–29. Male holotype, metasoma and telson lateral (27), dorsal (28), and ventral (29) views. Scale bars: 5 mm (24–26, 27–29).

Figures 30–37. E. bonacinai sp. n., male holotype, pedipalp segments. Chela dorsal (30), external (31) and ventral (32) views. Patella dorsal (33), external (34) and ventral (35) views. Trochanter and femur dorsal (36) and ventral (37) views.

Figures 38–45. E. bonacinai sp. n., female paratype, pedipalp segments. Chela dorsal (38), external (39) and ventral (40) views. Patella dorsal (41), external (42) and ventral (43) views. Trochanter and femur dorsal (44) and ventral (45) views. Trichobothrial pattern is indicated by white circles.

Figures 1–9: Euscorpius females (1–2) and males (3–9), pedipalp chela external. Figure 1. E. concinnus (C. L. Koch, 1837), Italy, Tuscany, Camporgiano, 44.1587131°N 10.3357447°E, FKCP. Figure 2. E. gocmeni Tropea et al., 2014, Turkey, Antalya Province, Akseki District, Elmali Yolu, 36º21'29.9"N 29º28'00.1"E, FKCP. Figure 3. E. tergestinus (C. L. Koch, 1837), Croatia, Posedarje, 20 km E of Zadar, FKCP. Figure 4. E. janstai sp. n., paratype. Figure 5. E. aquilejensis (C. L. Koch, 1837), Italy, Abruzzo, Silvi Marina, FKCP. Figure 6. E. yagmuri KovařÍk et al., 2014, holotype, Greece, Epirus, Preveza District, Mt. Zalongo, Cassope (Kassope, Kassopi), 39.145278ºN 20.675556ºE, FKCP. Figure 7. E. lycius Yağmur et al., 2013, Turkey, Antalya Province, 36º24'N 29º41'E, 976 m a. s. l., FKCP. Figure 8. E. solegladi Fet et al., 2014, paratype, Bulgaria, “Sandanski Pirin” (Blagoevgrad Province, Pirin Mts., Sandanski), NMPC. Figure 9. E. hadzii Di Caporiacco, 1950, Albania, Prokletije Mts., road Theti–Boge, FKCP.