Praocis (Praocis) costata Gay & Solier 1840

Autor: Flores, Gustavo E., Pizarro-Araya, Jaime
Rok vydání: 2012
Předmět:
DOI: 10.5281/zenodo.5457476
Popis: Praocis (Praocis) costata Gay & Solier, 1840 (Figs. 11, 15, 27) Praocis costata Gay & Solier in Solier, 1840: 222 (rev.); Solier, 1851: 188 (rev.); Lacordaire, 1859: 213; Gemminger & Harold, 1870: 1905 (cat.); Philippi, 1887: 731 (cat.); Gebien, 1910: 260 (cat.); Gebien, 1938: 398 (cat.); Blackwelder, 1945: 522 (cat.); Kulzer, 1958: 15 (rev.); Pe��a, 1966: 429 (cat.); Vidal & Guerrero, 2007: 73, 212; Flores, 2007: 416 (lectot.). Praocis ciliata Germain, 1855: 400; Philippi, 1887: 731 (cat.); Gebien, 1910: 260 (cat.); Gebien, 1938: 398 (cat.); Blackwelder, 1945: 522 (cat.); Kulzer, 1958: 15 (syn.); Pe��a, 1966: 429 (cat.); Flores, 2007: 416 (type). Synonymy by Kulzer, 1958: 15. Redescription. Length 7.0���9.0 mm. Body black, antennae and legs dark brown. Head. Clypeus and frons glabrous, with round punctures; antennae reaching midpoint of lateral margin of pronotum; antennomere 9 wider than long, with apical tomentose sensory patches arranged in two areas separated dorsally; antennomere 10 as wide as antennomere 11;. Thorax. Pronotum widest at midpoint; disc and lateral quarters glabrous; punctures of disc same size as punctures of elytron; width of anterior margin exceeding half the width of posterior margin; lateral quarters convex, dorsal surface of lateral margin lacking a row or tuft of setae, lateral margin with a horizontal, outer groove bearing a row of long, golden setae; posterior angles acute (Fig. 15); prosternum convex, with edge on anterior margin of equal width throughout, lacking prosternal process (Fig. 11); prosternum and mesosternum with punctures. Elytron lacking grooves, with three weakly defined carinae, equidistant between suture and lateral margin; dorsal surface glabrous, with punctures; pseudopleuron with long setae arising on punctures; epipleuron with short setae arising on protuberances, with a row of setae on the edge of anterior quarter. Legs. Ventral surface of meso��� and metafemora with a row of setae on posterior edge. Inner surface of meso��� and metatibiae with long, fine setae. Metatibiae straight. Male genitalia. Rods of sterna IX close to each other at basal third. Basal lamina of tegmen equal width throughout, with base concave. Lateral styles of tegmen with proximal margin ventrally bisinuate, widest at base, with setae on distal 1 / 5 of ventral surface. Median lobe moderate (0.75 ��� 1.00), distally broadened, with apical aperture large and apex rounded. Female genitalia. Paraprocts long (2.0 ��� 3.0); baculi of coxite inclined 45 ��; proctigeral baculus equal to length of paraproct baculus; apicodorsal lobe of proctiger extending about �� length of coxite. Type material. Lectotype of Praocis costata: [costata] [Praocis / costata / Sol./ Chili] [Pr. costata / Sol./ Chili] [Type] [Praocis / costata Sol. / Type de Solier/ Col. Marseul/ C. Girard det. 1975] [Lectotypus / Praocis costata / Gay et Solier, 1840 / Des. G. Flores 2005] (MNHN). One paralectotype same data as lectotype, except the third label (MNHN). Note: Flores (2007: 416) designated lectotype and paralectotype. Syntype of Praocis ciliata: One specimen: [costata] [Praocis / costata / Sol./ Chili] [Praocis / ciliata / P. G (handwritten by Germain)] [Type] (MNHN). Note: This specimen agrees with the description by Germain (1855), and we have no doubt that the label��s handwriting belongs to Germain. Therefore we conclude that this specimen is a syntype of Praocis ciliata. Kulzer (1958) stated that the type of P. c i l i a t a is in the MNNC, but currently is not there (Camousseight 1980 and pers. obs.). Other material examined. CHILE. Bio B��o Region: Arauco Province: Tirua, 4.i. 1977, L.E. Pe��a, 2 (FMNH), Isla Mocha, xi. 1932, D.S. Bullock, 4 (FMNH), Lebu, 12.ii. 1963, L.E. Pe��a, 1 (FMNH), Arauco, 37 �� 14`S, 73 �� 19`W, 1 (UCCC), Lebu, 37 �� 36`S, 73 �� 39`W, 1 (UCCC). Concepci��n Province: Coronel, 37 �� 01`S, 73 �� 08`W, 1 (UCCC), Escuadron, 36 �� 57`W, 73 �� 10`W, 1 (UCCC), Lenga, 36 �� 45`W, 73 �� 13`W, 1 (UCCC), Tom��, 36 �� 37`S, 72 �� 57`W, 1 (UCCC). ��uble Province: Tregualemu, 36 �� 56`S, 71 �� 52`W, 1 (UCCC). Los Lagos Region: Osorno Province: Pucatrihue, 26.i. 1966, L.E. Pe��a, 1 (UCCC), 1-15.xi. 1966, O. Barros, 1 (FMNH), 4���21.ii. 1967, L.E. Pe��a, 2 (FMNH), i. 1971, 4 (IADIZA), 2 (LEULS), ii. 1980, L.E. Pe��a, 2 (FMNH), Carelmapu (SW Llanquihue), 2.ii. 1957, L.E. Pe��a, 2 (FMNH). Geographic distribution. Chile (Bio B��o Region: Arauco Province to Los Lagos Region: Osorno Province), in the Maule and Valdivian Forest biogeographic provinces.
Published as part of Flores, Gustavo E. & Pizarro-Araya, Jaime, 2012, Systematic revision of the South American genus Praocis Eschscholtz, 1829 (Coleoptera: Tenebrionidae). Part 1: Introduction and subgenus Praocis s. str., pp. 1-35 in Zootaxa 3336 on pages 9-10, DOI: 10.11646/zootaxa.3336.1.1, http://zenodo.org/record/281312
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