Osoriellus salvini ( SHARP, 1887 ) 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 : 286

publication ID

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



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scientific name

Osoriellus salvini ( SHARP, 1887 )

comb. nov.

Osoriellus salvini ( SHARP, 1887) new combination

( Figs 61 View Fig A-C, 96B)

Osorius salvini SHARP, 1887: 682 View in CoL

Type material examined: Guatemala: Guatemala (90°31'W, 14°36'N), near the city , female, leg. Salvin (syntype in BMNH); GoogleMaps San Jerónimo (90°14'W, 15°03'N), female, leg. Champion (syntype in BMNH) GoogleMaps .

Further material examined: Mexico: Valle de Arriba (93°52'W, 16°13'N), 2630 ft., 1 male, 3 females, 1.7.1932, leg. H.E. Hinton ( AMNH) GoogleMaps ; Mexico without further data, 1 male, 3 females, coll Sharp ( BMNH) ; 1 female, without more data ( SDEI) ; Guatemala: Panzos (89°37'W, 15°24'N), female, leg. Champion ( AMNH) GoogleMaps ; Costa Rica: Guanacaste, Liberia, Rd. to Hacienda Guachipelin , farmland and dry forest (135-530 m elevation (85°22'W, 10°39'N), car net, 1 male, 4 females, 5.12.2012, leg. M. Schülke & Grünberg ( MSC, UIC) GoogleMaps ; Puntarenas, Rincon de Osa, S Rincon de la Vieja, Rd. Hacienda Guachipilin-Santa Maria , dry forest, pasture, 520-700 m elevation (85°20'W, 10°42'N), car net, female, 4.12.2012, leg. M. Schülke & Grünberg ( MSC) GoogleMaps ; Panama: Paraiso (79°37.30'W, 9°01.53'N), female, 22.1.1911, leg. E.A. Schwarz ( AMNH) GoogleMaps ; Trinidad: Sangre Grande (61°08'W, 10°35'N), male, 5.1.1944, coll. C.E. Tottenham ( BMNH) GoogleMaps ; Venezuela: Aragua, Rancho Grande , 5 km S Biol. Stat. (67°41'W, 10°22'N), 900 m elevation, 2 males, 26.6.- 9.7.1994, leg. T. Philips ( KNHM) GoogleMaps ; Paraguay: Villarica (55°32.32'W, 26°51.32'S), 5 males, 18 females, Jan. 1938, leg. F. Schade (Blackwelder collection) ( AMNH) GoogleMaps ; Argentina: Tucuman, 1 female, Nov. 1905, leg. Vezényi ( NHMH) .

Diagnosis: The species is similar to O. bicolor and O. micros concerning the large punctures of the pronotum. It can be differentiated from O. micros and O. bicolor by its larger size and the coriaceous punctation of the head.

Description: Length: 3.8 – 3.9 mm. Colouration: Head and pronotum brown; pronotum lighter reddish; elytra still lighter red to yellow with darker spot in posterior half; legs and antennae yellow.

Head: 0.70 mm long, 0.80 mm wide; eyes moderately long; as long as temples, but not prominent; sides of forehead shortly narrowed to anterior angles; anterior edge of clypeus even; without teeth; setiferous punctation on large supraocular area dense; deep and striate; partly coriaceous; on clypeus with sparser and finer punctation; yellow setae pointing to middle; wide midline on vertex and clypeus impunctate; without microsculpture; surface polished; on midline and clypeus shiny; adjacent to eyes matt due to dense coriaceous punctation.

Antennae with first antennomere slightly shorter than three following antennomeres; second antennomere oval and slightly longer than conical third antennomere; antennomeres 4 to 6 more or less quadrate and not wider than preceding antennomeres; following antennomeres distinctly thicker, but also quadrate.

Pronotum: 0.80 mm long, 0.85 mm wide; widest at anterior angles; evenly narrowed to posterior angles; in posterior half slightly more strongly convergent than in anterior half; lateral margin fine; in dorsal aspect, visible throughout its total length except short part behind anterior angles; setiferous punctures large and deep; along midline in irregular rows; first row adjacent to midline with 9 punctures; most parts of disc without microsculpture; surface polished; only few parts with remains of weak microsculpture; on polished parts with sparse micro-punctation; surface more or less shiny.

Elytra: 0.90 mm long, 0.80 mm wide; with weak coriaceous ground sculpture; setiferous punctation distinct, but finer and sparser than on pronotum; setae shorter than on head and pronotum.

Abdomen distinctly punctate; yellow setae pointing to middle; without microsculpture; surface moderately shiny.

Protibia: 0.50 mm long, 0.15 mm wide; 8 stout spines on outer edge; WLR: 3.5; in posterior aspect, inner edge slightly emarginate and comb partly covered; posterior face covered with thick setae.

Aedeagus with short basal and apical lobe; equally long; apical lobe slightly curved to moderately acute apex.


United Kingdom, London, The Natural History Museum [formerly British Museum (Natural History)]






American Museum of Natural History


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














Osoriellus salvini ( SHARP, 1887 )

Irmler, Ulrich 2014

Osorius salvini

SHARP, D. 1887: 682
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