Osoriellus schwarzi ( NOTMAN, 1925 ) Irmler, 2014

Irmler, Ulrich, 2014, The Neotropical species of the genus Osoriellus FAGEL, 1959 (Coleoptera: Staphylinidae: Osoriinae), Beiträge Zur Entomologie = Contributions to Entomology 64 (2), pp. 231-354 : 287-288

publication ID

https://doi.org/ 10.21248/contrib.entomol.64.2.231-354

DOI

https://doi.org/10.5281/zenodo.5874426

persistent identifier

https://treatment.plazi.org/id/E01A87D0-FFF5-FFFD-4DB4-F97DFC23FBA6

treatment provided by

Felipe

scientific name

Osoriellus schwarzi ( NOTMAN, 1925 )
status

comb. nov.

Osoriellus schwarzi ( NOTMAN, 1925) new combination ( Figs 81 View Fig A-C, 100A)

Osorius schwarzi NOTMAN, 1925: 11 View in CoL

Osorius schwarzi BLACKWELDER, 1943: 191 View in CoL

Type material examined: Cuba: Cayamas , 1 male, 20.5.??, leg. E.A. Schwarz (holotype in NHMW) .

Further material examined: Mexico: Chiapas, Ruinas de Palenque (91°58'W, 17°29'N), 3 males, 1 female, 25.7.1973, 28.9.1974, leg. J. Reddell ( AMNH) GoogleMaps ; Chiapas, Volcan Tacaná, sumidero San Antonio, leaf litter beside Rio Mala, 1760 m elevation, male, 20.12.1976, leg. H. Frania ( AMNH) ; Union Juarez, NW slope Vulc. Tacana, leaf litter trop. rain forest, Rio de Finca Muxbal ( GUAT) , male, 21.12.1976, leg. H. Frania ( AMNH) ; Guatemala: 1 male, leg. Conradt, without more data ( SDEI) ; Vera Paz, Panzos (89°37'W, 15°24'N), 2 males, leg. G.C. Champion ( SDEI) GoogleMaps ; Honduras: Santa Barbara, Mt. Santa Barbara, 11.5 km S & 5.6 km W Pena Blanca (14°57'N, 88°05'W), 1500 m elevation, 16 specimens, 20.6. & 28.8.1994, leg. R. Anderson, collected from cloud forest litter ( KNHM, UIC) GoogleMaps ; El Paraiso, 6.9 km W. Yuscarán, Cerro Montserrat (13°55'N, 86°24'W), 1870 m elevation, 70 specimens, 10.6., 7.7., 27.7.1994, leg. R. Anderson, berlesate from forest litter ( KNHM, UIC) GoogleMaps ; same location, flight intercept trap, 5 specimens, 7.-10. & 11.- 27.6.1994, leg. J. Ashe & R. Brooks ( KNHM) GoogleMaps ; Zamorano (87°05'W, 14°02'N), 12 km W; Francisco Morazán, Cerro Uyuca, forest litter, 1870 m elevation, Berlese , 27 specimens, 6.6., 9.6., 11.6., 27.6., 30.6.1994, leg. R. Anderson ( KNHM, UIC) GoogleMaps ; La Paz, Cordill. Montecillos , 25 km NW, hardwood litter, 1 specimen, 21.08.1994, leg. R. Anderson ( KNHM) ; Yoro Dept., P.N. Pico Pijol (87°37.6'W, 15°09.4'N, upper montane forest litter, 1300 m elevation, 4 specimens, 11.05.2002, leg. R. Anderson ( KNHM) GoogleMaps ; Dept. F. Morazán, Guiamaca (86°52'W, 14°21'N), Res. Biol. El Chile, upper montane forest litter, 12 specimens, 08.05.2002, leg. R. Anderson ( KNHM, UIC) GoogleMaps ; Nicaragua: Matagalpa, 6 km N, Selva Negra (85°54'06W, 12°59'09N), sub-ridgetop cloud forest litter, 1450 m elevation, 3 specimens, 21.05.2002, leg. R. Anderson ( KNHM) GoogleMaps ; Matagalpa, 6 km NW, Selva Negra , Fountain of Youth trail (85°54.53'W, 12°59.99'N), flight intercept trap, 1 specimen, 22.05.2002, leg. R.W. Brooks ( KNHM) GoogleMaps ; Matagalpa, 6 km N, Selva Negra , ridgetop cloud forest litter, 1480 m elevation, 1 specimen, 20.05.2002, leg. R. Anderson ( KNHM) ; Costa Rica: Guanacaste, Cacao Biol . Stn., leaf litter, 1100-1200 melevation 2 specimens, 04.05.1995, leg. R. Anderson ( KNHM) ; Cerro Amigos , 1780 m elevation, 1 specimen, 9.5.1989, leg. J. Ashe, R. Brooks & R. Leschen ( KNHM) ; Puntarenas, 35 km NE San Vito, nr. Las Alturas, trail to Cerro Enchandi , litter near stream, 45 specimens, 19.03.1991, leg. L. Herman ( AMNH, UIC) ; 1 specimen from same location, but under bark and 20.3.1991, leg. L. Herman ( AMNH) ; Puntarenas, 11 km SW Biol Stn Las Cruzes (83°01.50'W, 8°46.43'N), wet cloud forest litter, 1450 m elevation, 1 specimen, Berlese, 9.7.1999, leg. R. Anderson ( KNHM) GoogleMaps ; Puntarenas, Monteverde Campbell’s Woods , 1570 m elevation, flight intercept trap, 1 specimen, 21.5.1989, leg. J.S. Ashe ( KNHM) ; Puntarenas, Monteverde, Estacion Biol. (84°49.08'W, 10°19'40N), montane for. litter, 1540 m elevation, 1 specimen, 12.06.2001, leg. R. Anderson ( KNHM) GoogleMaps ; Monteverde, Campbell’s Bull Pen , flight interc., 1 specimen, 29.05.1993, leg. S. Lingafelter ( KNHM) ; Monteverde , 1400-1550 m elevation, 2 specimens, 26.05.1989, leg. J.S. Ashe, R. Brooks & R. Leschen ( KNHM) ; same location, 1570 m elevation pitfall traps, 15.5.1989, leg. J. Ashe, R. Brooks & R. Leschen ( KNHM, UIC) ; same location, flight intercept trap, 1520 m elevation, 17 specimens, 21.5.1989, leg. J. Ashe, R. Brooks & R. Leschen ( KNHM, UIC) ; same location, 1590 m elevation, Berlese , 1 specimen, 11.5.1989, leg. J. Ashe, R. Brooks & R. Leschen ( KNHM) ; same location, cloud forest, 1510 m elevation, flight interc., 1 specimen, 10.- 17.06.2001, leg. J. Peck ( KNHM) ; Las Cruzes, Biol. Stat. , 1330 m elevation, flight interc., 1 specimen, 31.05.2004, leg. J.S. Ashe, Z. Falin & I. Hinojosa ( KNHM) ; San José, Pan American Hwy km 117, 19 km N. S. Isidro (83°42.20'W, 9°28.0'W), 1800 m elevation, flight interc., 1 specimen, 25.06.1997, leg. J. Peck ( KNHM) ; Alajuela, Rio Penas Blancas , 1190 m elevation, flight interc., 1 specimen, 20.05.1989, leg. J. Ashe, R. Brooks & R. Leschen ( KNHM) ; Puntarenas, Peninsula de Osa, Rd. Banigones-Chacarita , pastures, plantages, devasted forest (83°15'W, 8°36'N), 0-250 m elevation, car net, female, 11.12.2012, leg. M. Schülke & Grünberg ( MSC) GoogleMaps ; Panama: Chiriqui, 12 km NE Santa Clara, Cerro Pando (82°43.30'W, 8°54.44'N), oak forest litter, 1850 m elevation, 1 specimen, 17.6.1996, leg. R. Anderson ( KNHM) GoogleMaps ; Colon, Parque Nat. Soberania, Pipline Rd (79°45'N, 9°07'N), flight intercept trap, 1 specimen, 27.5.1995, leg. J. Jolly ( KNHM) ; Bocas del Toro, 7 km N Boquete, La Culebra trail (82°48'W, 8°48'N), 1050 m elevation, 1 specimen, 15.07.1995, leg. A.R Gillogly ( KNHM) GoogleMaps .

Diagnosis: O. schwarzi resembles O. neotropicus , O. opacus and O. opacinotus in size. It can be differentiated from O. opacus by the absence of the distinct microsculpture of the pronotum and from O. opacinotus by the less digitate protibia and the shorter second and third antennomeres that are as long as wide in O. schwarzi , but distinctly longer than wide in O. opacinotus . O. schwarzi highly resembles O. neotropicus , because the antennal structure, the shape and microsculpture of the pronotum and elytra are similar. But O. schwarzi clearly differs by the absence of the protibial digits. Additionally, the pronotal punctation is denser in O. schwarzi than in O. neotropicus and the apical lobe of the aedeagus is long and angulate, whereas it is nearly straight in O. neotropicus .

Description: Length: 5.6 – 6.3 mm. Colouration: Black; legs and antennae yellow.

Head: 0.60 mm wide, 1.1 mm long; eyes small, slightly shorter than temples and not prominent; setiferous punctation moderately dense; impunctate midline widened to anterior and posterior edge; area at base of antennae impunctate; on vertex, interstices between punctures much shorter than diameter of punctures; on clypeus, interstices between punctures distinctly wider than diameter of punctures; several supraocular punctures with longer setae; isodiametric microsculpture deep; surface slightly shiny; surface of impunctate area at base of antennae without microsculpture polished and shiny.

Antennae with oval second and conical third antennomere; both antennomeres equally long; following 3 antennomeres shorter; approximately quadrate; antennomeres 7 to 11 distinctly wider than preceding antennomeres, but also approximately quadrate.

Pronotum: 1.10 mm long, 1.20 mm wide; widest at anterior angles, in anterior half slightly convergent; in posterior half more strongly convergent and slightly emarginate in front of posterior angles; setiferous punctation deeper than on head, but, on average, less dense; punctures in irregular rows; wide midline impunctate; microsculpture isodiametric; surface slightly shiny; in midline meshes of micosculpture more longitudinal.

Elytra: 1.25 mm long, 1.20 mm wide; with dense and deep punctation; punctures in irregular rows; hardly visible between deep coriaceous ground-sculpture; surface less shiny than on the pronotum.

Abdomen with dense setiferous punctation and small impunctate midline; surface without microsculpture, shiny.

Protibia: 0.73 mm long, 0.23 mm wide; 10 spines on outer edge; spines directly inserted on outer edge; WLR: 4.77; in posterior aspect, comb at inner emargination visible throughout its total length; on anterior face with curved row of setiferous punctures; posterior face covered by long yellow setae; setae nearly half as long as protibial width.

Aedeagus rectangularly angulate; apical lobe thick and long; apical lobe with obtuse apex and several sensillae at inner edge.

GUAT

GUAT

SDEI

SDEI

KNHM

Kuwait, Safat, The Educational Science Museum [=Kuwait Natural History Museum]

UIC

UIC

MSC

MSC

AMNH

American Museum of Natural History

GUAT

Museo Nacional de Historia Natural

KNHM

The Educational Science Museum [=Kuwait Natural History Museum?]

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Staphylinidae

SubFamily

Osoriinae

Genus

Osoriellus

Loc

Osoriellus schwarzi ( NOTMAN, 1925 )

Irmler, Ulrich 2014
2014
Loc

Osorius schwarzi

BLACKWELDER, R. E. 1943: 191
1943
Loc

Osorius schwarzi

NOTMAN, H. 1925: 11
1925
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