Berosus patruelis Berg, 1885

Oliva, Adriana & Short, Andrew E. Z., 2012, Review of the Berosus Leach of Venezuela (Coleoptera, Hydrophilidae, Berosini) with description of fourteen new species, ZooKeys 206, pp. 1-69 : 40-42

Berosus patruelis Berg, 1885 Figs 22A, 23A

Berosus patruelis Berg, 1885: 220.

Berosus patruelis : Oliva (1989: 122).

Berosus carinatus Mouchamps, 1963: 134. Synonymized by Oliva (1989: 122).

Material examined

(424).VENEZUELA: Anzoátegui State: Transect 1, permanent pond with grass, 12.viii.2009, leg. Cordero, VZ09-0812-02A (9 exs., SEMC); 09°17'16.3"N, 64°13'39.1"W, 274 m, Temporal pond aside the road, 15.viii.2009, leg. Cordero, VZ09-815-12A (1 ex.). Apure State: ca. 18 km S. San Fernando, 7°33.869'N, 67°38.456'W, 50 m, marsh along road; 4.i.2006, leg. Short, AS-06-008 (13 exs.); 44 km N. Rio Capanaparo, 7°20.175'N, 67°43.868'W; 49 m, marsh at sand dunes, 11.ix.2007, leg. Short, AS-07-004 (2 ex.); on side road ca. 10 km E. Mantecal, 7°37.298'N, 69°3.679'W, 83 m, marshy area and pool by road, 18.i.2009, leg. Short, García, & Camacho, VZ09-0118-02X (8 exs.); between "La Ye" & Bruzual, 7°38.660'N, 69°18.004'W, 90 m, lagoon, 18.i.2009, Short, Camacho & García, VZ09-0118-03X (34 exs.). Aragua State: "Venez. Cagua/Edo. Aragua/28-VI-1961 Bordon." (6 exs., MSUC). Road between Rio Capanaparo and Rio Cinaruco; Medanos de la Soledad, 7°20.175'N, 67°43.868'W, 49 m, marshy area, 17.i.2009, leg. Short, Camacho, Miller, VZ09-0117-02X (45 exs.); Rt. 19, E. Apurito, 7°54.823'N, 68°25.782'W, shaded pond by road, 18.i.2009, leg. Short, García, & Camacho, VZ09-0118-01X (7 exs.). Barinas State: 10 km NE Barinas, 12.ii.1969, P. & P. Spangler (2 exs., USNM); Small stream, c. 20 km S. Ciudad Bolivia, stream margins, 25.i.2012, leg. Short, Arias, Gustafson, VZ12-0125-01A (18 exs.); Marsh on large Hacienda, ca. 13 km SE of Ciudad Bolivia,, Marsh, 25.i.2012, leg. Short, Arias, Gustafson, VZ12-0125-02A (80 exs.); River E. of Santa Barbara, big sidepool of river, 26.i.2012, leg. Short, Arias, Gustafson, VZ12-0126-01B (5 exs.). Cojedes State: Rio Caiman Grande at San Brano, c. 7.5 km NW of El Pao, stream margins, 20.i.2012, leg. Short, Arias, Gustafson, VZ12-0120-03A (2 exs., SEMC); Embalsa El Pao next to main church, marsh margins, 21.i.2012, leg. Short, Arias, Gustafson, VZ12-0121-01A (1 ex.); c. 2 km S. La Galera, between El Pao and El Baul, Marsh/pond, 21.i.2012, leg. Short, Arias, Gustafson, VZ12-0121-02A (3 exs.). Falcón State: E. Dabajuro, river at bridge crossing on Rt. 3, 11°02.305'N, 70°38.467'W, 98 m, Gravel and sand margins of river and associated side pools, 8.vii.2009, Short, Gustafson, & Inciarte, VZ09-0708-01A (1 ex.); SE of Tocopero, 11°26.922'N, 69°13.109'W, 12 m, Puddle in roadside ditch and culvert, 10.vii.2009, Short, Gustafson, Camacho,, VZ09-0710-03C (45 exs.); SE of Tocopero, 11°26.922'N, 69°13.109'W, 12 m, Puddle in roadside ditch and culvert, 10.vii.2009, leg. Sites, VZ09-0710-03S (8 exs.). Guárico State: Corozo Pando (8 km N.), 11.vi.1984, leg. F.W. Eiland (2 exs., USNM); Same locality but 17-18.vi.1984, leg. F.W. Eiland & V. Linares, blacklight (30 exs., USNM); Same locality but 20-21.vi.1984, leg. F.W. Eiland & V. Linares, blacklight (1 ex., USNM); 15 km S. Calabozo, 9-13.ii.1969, Lago de los Patos, P. & P. Spangler (5 exs., USNM); 20 km S. Calabozo, 8-13.ii.1969, Rio Orituco, P&PS (1 ex., USNM); Calabozo (44 km S.) Hato Masaguaral, 6.iii.1986, coln #31, P. Spangler & S. Beaujon (2 exs., USNM); nr. Socorro, 8°59'1.0"N, 65°44'18.8"W, 100 m, muddy ditch, 29.vii.2008, leg. Short & García, AS-08-050 (1 ex.); W. of Las Mercedes, 9°5.067'N, 66°28.500'W, 153 m, 8.i.2009, leg. Short & Miller, roadside pond, VZ09-0108-04A (2 exs.); ca. 65 km S. Las Mercedes, 8°31.705'N, 66°22.602'W, 145 m, large lagoon with vegetation, 9.i.2009, leg. Short, Miller, García, & Camacho, VZ09-0109-01X (10 exs.); same locality but 5.vii.2010, leg. Short, Tellez & Camacho, VZ10-0705-01A (1 ex.); same locality but 6.vii.2010, leg. Short, Tellez, Camacho, & Arias, VZ10-0706-03B, (18 exs.); San Nicolasito Field Station, 8°8.677'N, 66°24.263'W, 50 m, pool without fish, 10.i.2009, leg. Miller & García, VZ09-0110-03A (1 ex.). Tachira State: Mata de Limon, small lagoon on finca, marsh, 26.i.2012, leg. Short, Arias, Gustafson, VZ12-0126-02A (24 exs.). Trujillo State: c. 10 km E. La Cieba, by Cemetary, Lagoon, 28.i.2012, leg. Short, Arias, Gustafson, VZ12-0128-06A (8 exs.); Nr. Agua Viva, Small creek, 29.i.2012, leg. Short, Gustafson, VZ12-0129-01A (3 exs.). Zulia State: Puente del Zulia, muddy pools in pasture, 27.i.2012, leg. Short, Arias, Gustafson, VZ12-0127-01B (13 exs.); E. San Carlos Del Zulia, small lagoon, 27.i.2012, leg. Short, Arias, Gustafson, VZ12-0127-02A (1 ex.); Sabana de Machango, artificial lagoon, 29.i.2012, leg. Short, Arias, Gustafson, VZ12-0129-03A (11 exs.).When not indicated, material is distributed between MIZA, MALUZ, SEMC, and NMW.

Distribution.

Widespread in South America, including Argentina, Bolivia, Brazil, Paraguay, Venezuela ( Anzoátegui, Apure, Aragua, Barinas, Cojedes, Falcón, Guárico, Tachira, Trujillo, Zulia). Previously recorded in Apure State ( Oliva 2002).

Remarks.

This very common species is mostly encountered in standing waters such as marshes and roadside ditches. It has not yet been encountered south of the Orinoco in Venezuela.