Potamobates tridentatus Esaki 1926
Creators: name: Pacheco-Chaves, Bernald
name: Cordeiro, Isabelle Da Rocha Silva
name: Moreira, Felipe Ferraz Figueiredo
name: Springer, Monika
Publisher: name: Zenodo
Year: 2018
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Hemiptera
Gerridae
Potamobates
Potamobates tridentatus

description: Potamobates tridentatus Esaki, 1926
(Fig. 11)
Previously recorded from Costa Rica (Guanacaste, Puntarenas, and San José provinces), Panama, and Colombia (Esaki 1926b; Hungerford 1937, 1939; Kuitert 1942; Wheelwright & Wilkinson 1985; Manzano et al. 1995; Polhemus & Polhemus 1995; Molano et al. 2008; Posso & González 2008). It is herein reported for the first time from Alajuela, Heredia, and Limón provinces. As are other species of Potamobates, P. tridentatus is found on the riffle areas of lotic habitats along the Atlantic and Pacific slopes of Costa Rica, up to 700 m a.s.l.
Material examined. Alajuela— Tilarán, Rugama Stream, Cote Hydropower Project, 700 m a.s.l., 19.V.2008: 1 female (MZUCR). San Carlos, Celeste River, N 10° 43.843, W -084° 53.270’, 106 m a.s.l., 23. IV. 2008, (B. Pacheco): 2 females (MZUCR). Chachagua River, N 08° 45.551’, W -83° 30.575’, 31.I.2008, (B. Pacheco): 2 males (MZUCR). San Carlos, Crucitas, Relaves, N 10.86662°, W -084.34776°, 83 m a.s.l., X.2008, (B. Pacheco): 1 female, 1 nymph (MZUCR). San Carlos, Crucitas, 50 m a.s.l., 25. IV.2008, (B. Pacheco): 3 males, 1 female (MZUCR). San Carlos, Crucitas, Mina Stream, N 10.86987, W -84.33404, 12.X.2008, (B. Pacheco): 2 females, 3 nymphs (MZUCR). Guanacaste — Santa Cruz, Diriá National Park, Brasil Stream, X 239,390, Y 361,240, 160 m a.s.l., 23.I.2000, (Y. Cárdenas): 1 female (InBio Cat. #57400). Santa Cecilia, Chon River, X 331,900, Y 379,800, V. 1990, 550 m a.s.l., (Parataxon. Course II): 1 female (InBio). Maritza Station, west side of Orosi Volcano, X 326,900, Y 373,000, 600 m a.s.l., VI.1991, (C. Chaves): 1 female (InBio). Maritza Station, west side of Orosi Volcano, 600 m a.s.l., X 326,900, Y 373,000, VI.1990, (C. Chaves): 2 males (InBio). Los Mesones, Barra Honda National Park, A. C. Tempisque, X 239,200, Y 388,900, 100 m a.s.l., I.1994, (M. Reyes): 1 male, 1 female (InBio Cat. #2562). Santa Cruz, Arado, Diriá River, 21. XI. 2008, (B. Pacheco): 2 females (MZUCR). Heredia— Sarapiquí, La Tirimbina, Sarapiquí River, 27.I.2006: 1 female, 1 nymph (MZUCR). Sarapiquí, La Tirimbina, Sarapiquí River under hanging bridge, 07.VII.2008, (B. Pacheco): 1 male (MZUCR). Sarapiquí, La Selva Biological Reserve, OET, SAT 95, El Surá River, <50 m. a.s.l, 27.VIII.2005, (M. Losilla): 1 male (MZUCR). Limón— Amubri, X 385,500, Y 578,000 70 m a.s.l., VI.1993, (G. Gallardo): 8 females (InBio Cat. #2250). Puntarenas— Grande de Térraba Watershed, Unión River, Diquís Hydropower Project, 14. III.2006: 3 males, 1 female, 1 nymph (MZUCR). Grande de Térraba Watershed, Volcán River, Diquís Hydropower Project, 13.II.2006: 3 males, 1 female (MZUCR). Golfito, La Gamba Stream, pond in tributary, 13.I.2010, (M. Springer): 1 female, 6 nymphs (MZUCR). Grande de Térraba Watershed, Platanares River, Diquís Hydropower Project, 13.IX.2006: 1 male, 3 nymphs (MZUCR). Grande de Térraba Watershed, Ceibo River, Diquís Hydropower Project, 27.II.2006: 1 male (MZUCR). Golfito, La Gamba, forest, 13.I.2010, (M. Springer): 1 male (MZUCR). Golfito, La Cañaza, 14.I.2010, (M. Springer): 2 males, 1 female (MZUCR). Piedras Blancas River, N 8° 47.168’, W -83° 14.106’, 02.II.2008, (B. Pacheco): 2 males, 5 nymphs (MZUCR). Golfito, 12.I.2010, (M. Springer): 3 males, 3 females (MZUCR). Camaronal River, Diquís Hydropower Project, ICE, 02. IV.2008, 1 female (MZUCR). Corcovado National Park, La Leona, Cerro Puma, X 267,700, Y 518,900, 300 m a.s.l., 27.VI. 2003, (A. Azofeifa): 1 male (InBio Cat. #74494). La Fortuna, Nuevo River, X 290,700, Y 576,200, 100— 200 m a.s.l, 09.VI.2005 (J. Azofeifa): 2 males (InBio Cat. #83817). Quepos, Cañas River, 05.X.2008, (B. Pacheco): 1 female, 7 nymph (MZUCR). Osa, Río Piro Reserve, Piro River, N 08° 24.117’, W -83° 20.353’, 32 m a.s.l., V.2009, (B. Pacheco): 9 males, 5 females, 4 nymphs (MZUCR). Osa, Río Piro Reserve, stream behind station, N 08° 24.178’, W -83° 20.170’, 27 m a.s.l., V.2009, (B. Pacheco): 8 males, 4 females (MZUCR). Osa, Corcovado National Park, N 08° 28.703, W -83° 35.447’, XI.2009, (B. Pacheco): 1 female (MZUCR). Banegas River, N 08° 41.455’, W -83° 32.211’, 31.I.2008, (B. Pacheco): 13 males, 7 females, 15 nymphs (MZUCR). San José —Pérez Zeledón, 0 9.III.2009, (J. Wright): 1 female (MZUCR). Pérez Zeledón, N 09° 19.424’, W -83° 37.200, 629 m a.s.l., 23. III.2009, (J. Wright): 3 males, 1 female (MZUCR).
description: Published as part of Pacheco-Chaves, Bernald, Cordeiro, Isabelle Da Rocha Silva, Moreira, Felipe Ferraz Figueiredo & Springer, Monika, 2018, The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records, pp. 493-522 in Zootaxa 4471 (3) on page 501, DOI: 10.11646/zootaxa.4471.3.4, http://zenodo.org/record/1439932