Micariaquinquemaculosa, Booysen & Haddad, 2021

Booysen, Ruan & Haddad, Charles R., 2021, Revision and molecular phylogeny of the spider genus Micaria Westring, 1851 (Araneae: Gnaphosidae) in the Afrotropical Region, Zootaxa 4940 (1), pp. 1-82 : 61-63

Micariaquinquemaculosa sp. nov.

Figs 31 – 32 , 72 , 157 – 160 , 169

Type material. Holotype ♀, NAMIBIA: Erongo Region: Karibib, Navachab Gold Mine , in storage facility, pitfall traps, 21°57.00’S, 15°45.00’E, leg. M. Rental, 1.XII.2008, (NCA 2009/2618).

Paratypes: NAMIBIA: Erongo Region: Karibib, Navachab Gold Mine, in storage facility, pitfall traps, 21°57.00’S, 15°45.00’E, leg. M. Rental, 1.XII.2008, 1 ♂ (NCA 2009/2618), 2 ♂ (NCA 2009/2616); Ugab River , Ugab River mouth, 21°12’S, 13°36’E, leg. B.H. Lamoral, 17.II.1969, 1 ♂ 2 ♀ (NMSA 18853); samelocality, leg. B.H. Lamoral, 18.II.1969, 1 ♀ (NMSA 18854) . Karas Region: Keetmanshoop District, Khabus 146, on sandy plain next to dry riverbed, pitfall traps, 26°18’S, 18°13’E, leg. N. & G. Olivier, 14.IV–30.VI.1988, 4 ♂ (SMN 42206); Skorpion Mine Site , rocky hillside, hand collecting, 27°48.675’S, 16°36.06’E, leg. E. Griffin, 25.VI.1997, 1 ♀ (SMN 43732) . SOUTHAFRICA: Free State: Brandfort, Florisbad , pitfalltraps, 28°27.6’S, 26°03.00’E, leg. L.N. Lotz, 21.XII–I.1987, 2 ♂ 1 ♀ (NMBA 16924) . Northern Cape: Port Nolloth, 545 Perlemoen Street , under shrub (sea orache?), handcollecting, 29°14.479’S, 16°51.964’E, leg. R. Booysen & L. Whitehead, 26.IV.2019, 1 ♀ (NCA 2019/413) .

Other material examined: NAMIBIA: Erongo Region: Karibib, Navachab Gold Mine, in storage facility, pitfalltraps, 21°57.00’S, 15°45.00’E, leg. M. Rental, 1.XII.2008, 6 ♂ 7 immature 11 immature (NCA 2009/2617), 3 immatures (NCA 2009/2618); Ugab River , Ugab River mouth, 21°12’S, 13°36’E, leg. B.H. Lamoral, 17.II.1969, 1 immature (NMSA 18853) ; samelocality, leg. B.H. Lamoral, 18.II.1969, 1 immature (NMSA 18854) . Karas Region: Keetmanshoop District, Khabus 146, on sandy plain next to dry riverbed, pitfall traps, 26°18’S, 18°13’E, leg. N. & G. Olivier, 14.III–14.IV.1988, 4 ♂ (SMN 42013); Luderitz , Diaz Point Beach , Coastal dune hummock, pitfall traps, 26°37’S, 15°05’E, leg. E. Marais, 13–26.XI.1993, 1 immature (SMN); Richtersveld Transfrontier Park, Hobas 374, in river to treed area, SE 2717 DA, leg. E. Griffin, 16–28.X.1984, 1 ♂ (SMN 39855) . SOUTH AFRICA: Free State: Bloemfontein, Naval Hill, Observatory , pitfalltraps, 29°03.6’S, 26°08.4’E, leg. L.N. Lotz, X.1990, 1 ♂ (NMBA 6951); Brandfort , Florisbad , 1250 ma.s.l., 28°27.6’S, 26°03.00’E, 8–21.XII.1987, 3 ♂ (NMBA 8339) ; samelocality, leg. L.N. Lotz, 21.XII.1987 – 5.I.1988, 2 ♂ 1 immature (NMBA 8365) ; samelocality, leg. L.N. Lotz, 31.X–XI.1988, 1 ♂ (NMBA 8783) ; same locality, leg. L.N. Lotz, 9–23.XI.1987, 1 ♂ (NMBA 4945); same locality, leg. L.N. Lotz, 1–15.II.1988, 1 ♂ (NMBA 3769) ; samelocality, leg. L.N. Lotz, 12–23.IX.1988, 1 ♂ (NMBA 4589) ; samelocality, leg. L.N. Lotz, 8–21.XII.1987, 1 ♀ (NMBA 3394) ; samelocality, leg. L.N. Lotz, 5–19.I.1987, 1 ♂ (NMBA 3632) ; samelocality, leg. L.N. Lotz, 8.XII.1987, 1 ♂ (NMBA 17447) ; samelocality, leg. L.N. Lotz, 21.XII–I.1987, 1 immature (NMBA 16871) ; samelocality, leg. L.N. Lotz, 19–23.XI.1987, 1 ♀ (NMBA 8456) ; same locality, leg. L.N. Lotz, 23.XI–XII.1987, 1 ♂ (NMBA 17418) ; samelocality, leg. L.N. Lotz, 23–8.XI–XII.1987, 2 ♂ (NMBA 3211) . Northern Cape: Carnavon, Kleinfourieskolk 10, under calcrete stones, hand collecting, 30°05.4’S, 22°06.00’E, leg. L.N. Lotz, 25.X.1990, 1 ♂ (NMBA 5194); Hondeklipbaai , pitfalltraps, 30°18.6’S; 17°16.8’E, leg. C. Lyons & J. Mingo, 18.XI.2007, 1 ♀ (NCA 2008/1983); Cape Town, Salt River , leg. W.F. Purcell & F. Purcell, 23.IV.1896, 1 ♂ 2 ♀ (SAM 3398) .

Etymology. The species name is derived from its Latin adjective maculosa (spots), and quinque (related to five). This refers to the five spots on this species’ abdomen, two anterior and three on the midline. The nomen quinquamaculata was already reserved by M. quinquemaculata ( Caporiacco, 1936) (nomen dubium) and could not be used.

Diagnosis. Females of this species can be distinguished from other Afrotropical Micaria by the short, dorsally projecting copulatory ducts that curve outwards, and by a divided anterior hood that almost touches in the middle (may be very close). Males can be recognized by having a tubular, curved sperm duct, and an elongate and broad embolus. The cymbial tip in this species is also very broad.

Description. Female (holotype from Navachab Gold Mine, NCA 2009/2618): Measurements: TL 2.25, CL 0.98, CW 0.63, CL:CW 1.56, CLH 0.06, CLH:AME 1.17. Eyes: ALE 0.05, AME 0.05, PLE 0.06, PME 0.04, AME–AME 0.02, PME–PME 0.05, MOQAW 0.12, MOQPW 0.14, MOQL 0.15. SL 0.59, SW 0.44, AL 1.25, AW 0.89. Leg measurements: Palpal segment lengths: 0.18, 0.16, 0.16, 0.25. Leg I: 0.57, 0.30, 0.43, 0.39, 0.39. II: 0.49, 0.27, 0.41, 0.38, 0.35. III: 0.46, 0.25, 0.33, 0.38, 0.40. IV: 0.73, 0.29, 0.53, 0.59, 0.38. TLoflegs (I–IV): 2.08, 1.90, 1.82, 2.52; leg formula: 4123.

Colouration: carapace and abdomen dark brown to black; sternum, endites, labium and chelicerae similar in colour to carapace; legs Iand II with femora darkened, legs III and IV uniform incolour ( Fig. 31 ). Carapace: decorated with squamose setae; smooth in texture; dorsal pattern indistinct; posterior margin indented medially; fovea absent; anterior margin of carapace narrowing slightly from coxa; PER procurved in dorsal view, AER recurved in anterior view. Chelicerae: decorated with plumose setae. Labium: triangular in shape, cluster of setae present at tip. Endites: oblique; constricted just above halfway; anterior margin straight; cluster of setae present on inner–api-cal margin. Sternum: shield-like; broadest between coxa Iand II; posterior margin tapered to rounded point behind coxa IV. Legs: femora of all legs laterally flattened, highest at base, leg Imore pronounced in this fashion; rest of legs normal, thin. Leg macrosetae: Palps: 1do, 5plv, 1pl, 1do, 1pl, 2pl, 1plv, 2vt. Leg I: 1d. II: 1do, 4vt. III: 1do, 1pl, 1plv, 1vt, 1plv, 3vt. IV: 1do, 1plv, 1vt, 1plv, 1rlv, 4vt. Legs I–IV with two rows of scopulate setae on metatarsi and four rows on tarsi. Abdomen: cylindrical in shape; sigilla absent; decorated with squamose setae; two white spots dorsally near anterior margin, white broken transverse line medially, two more stripes antero-laterally (can be seen from side); venter similar in colour to dorsum. Epigyne: in ventral view, anterior hood divided, nearly touching, recurved; posterior pockets present baso-medially; copulatory opening present at tip of copulatory duct. In dorsal view, copulatory ducts short, thick, projecting anteriorly to spermathecae, then curving laterally; fertilisation ducts projecting medially, curved laterally outwards; spermathecae globular ( Figs 157, 158 ).

Male (paratype from Navachab Gold Mine, NCA 2009/2616): Measurements: TL 1.85, CL 0.85, CW 0.55, CL:CW 1.54, CLH 0.05, CLH:AME 1. Eyes: ALE 0.04, AME 0.05, PLE 0.04, PME 0.04, AME–AME 0.02, PME– PME 0.02, MOQAW 0.10, MOQPW 0.11, MOQL 0.15. SL 0.50, SW 0.35, AL 0.91, AW 0.54. Leg measurements: Palpal segment lengths: 0.19, 0.13, 0.11, 0.24. Leg I: 0.49, 0.27, 0.43, 0.38, 0.41. II: 0.51, 0.24, 0.41, 0.37, 0.38. III: 0.40, 0.22, 0.37, 0.38, 0.32. IV: 0.56, 0.25, 0.56, 0.59, 0.41. TLoflegs (I–IV): 1.98, 1.92, 1.69, 2.37; leg formula: 4123.

Colouration: carapace dark brown; abdomen dark brown to black; sternum, endites, labium and chelicerae similar in colour; legs Iand II with femora darkened, other legs uniform in colour ( Fig. 32 ). Carapace: decorated with squamose setae; smooth in texture; indistinct dark pattern radiating from middle; posterior margin indented medially; fovea absent; anterior margin narrowing slightly from coxa I; PER procurved in dorsal view; AER recurved in anterior view. Chelicerae: decorated with plumose setae. Labium: triangular in shape, cluster of setae present at tip. Endites: oblique; constricted just above halfway; anterior margin rounded; cluster of setae present on inner–apical margin. Sternum: shield-like; broadest between coxa Iand II; posterior margin tapering to broad rounded point behind coxa IV. Legs: femora laterally flattened, highest at base, leg Imore pronounced in this fashion; rest of legs normal, thin; decorated with lanceolate setae ( Fig. 72 ). Leg macrosetae: Palps: 1do, 5plv, 1pl, 1do, 1pl, 1pl, 3vt. Leg I: 1do, 1pl. II: 1do, 1pl, 4vt. III: 1do, 1pl, 1plv, 1vt, 1plv, 3vt. IV: 1do, 1plv, 2vt, 2plv, 3vt. Legs I– IV with two rows of scopulate setae on metatarsi and four rows on tarsi. Abdomen: decorated with squamose setae; slightly constricted medially; dorsal pattern not visible; venter similar in colour to dorsum; sigilla not visible. Palp: retrolateral tibial apophysis absent; median apophysis small; retrolaterally offset from embolus, curved; sperm duct present on retrolateral surface of tegulum, curved; embolus base elongate, tip straight and tapered; cymbium widest at basal third, tapering apically ( Figs 159, 160 ).

Distribution. Micaria quinquemaculosa sp. nov. is known from isolated records in Namibia and South Africa ( Map 5 ).

Figures

MAP 5. The distribution of 13 Micaria species in the Afrotropical Region .

FIGURES 27–36. Stereomicroscope photographs of the dorsal habitus of Afrotropical Micaria species: 27 M. parvotibialis sp. nov. male; 28 M. plana sp. nov. female and 29 male; 30 M. quadrata sp. nov. female; 31 M. quinquemaculosa sp. nov. female and 32 male; 33 M. rivonosy sp. nov. female; 34 M. sanipass sp. nov. male; 35 M. scutellata sp. nov. male; 36 M. tersissima Simon, 1910 male. Scale bars: 1.0 mm.

FIGURES 72–78. Scanning electron microscope images of lanceolate setae of Micaria: 72 M. quinquemaculosa sp. nov. male, tarsus IV; 73 M. constricta Emerton, 1894 male, patella IV; 74 M. formicaria (Sundevall, 1831) female, femur I; 75 M. fulgens (Walckenaer, 1802) female, femur IV; 76 M. rossica Thorell, 1875 female, femur IV; 77 M. sociabilis Kulczyński, 1897 female, femur I; 78 M. coarctata (Lucas, 1846) female, femur IV. Abbreviation: LS—lanceolate setae.

FIGURES 157–160. Genital morphology of Micaria quinquemaculosa sp. nov.: 157 female epigyne, ventral view; 158 same, dorsal view; 159 male palp, ventral view; 160 same, retrolateral view. Scale bars: 0.1 mm.

FIGURES 169–172. Habitus photographs of Micaria quinquemaculosa sp. nov. (169), M. tersissima Simon, 1910 (170) and M. felix sp. nov. (171, 172). Photographs by: Ruan Booysen (169, 170), Ondřej Michálek (171) and Christian Bro (172).