The water striders (Hemiptera: Heteroptera: Gerridae) of Costa Rica: new species, checklist, and new records Author Pacheco-Chaves, Bernald Author Cordeiro, Isabelle Da Rocha Silva Author Moreira, Felipe Ferraz Figueiredo Author Springer, Monika text Zootaxa 2018 2018-09-06 4471 3 493 522 journal article 29467 10.11646/zootaxa.4471.3.4 3da0d889-944e-465a-8a94-c6fde5cda633 1175-5326 1439932 C83B3937-4CFA-4B2D-972C-C95DE896D85C Eurygerris summatis ( Drake & Harris, 1934 ) ( Fig. 12 ) This species is known only from Costa Rica , with previous records from Alajuela , Cartago , Puntarenas , and San José provinces ( Drake & Harris 1934 , Matsuda 1961a , Morales & Molano 2009 ). It is found along the Pacific slope of the country, in temporary puddles along roadsides between 700 and 2,292 m a.s.l. Material examined . Alajuela — San Lorencito River , REBAMB, 5 km N Col . Palmareña , X 244,500, Y 470,700, 900 m a.s.l. , III .1990 , ( Carabidae course) : 1 male ( InBio ). San Ramón , REBAMB, puddles on the road, 1000 m a.s.l. , 25.XI.1996 , ( M. Springer ) : 7 males, 3 females, 3 nymphs (MZUCR). REBAMB, puddles on the road, 700 m a.s.l., 23.III.2007 , (B. Pacheco & M. Zumbado): 15 males , 5 females , 4 nymphs ( MZUCR ). San Ramón , REBAMB, N 10° 13’ 06.8’’ , W -84° 35’ 48.9’’, 876 m a.s.l. , XVII. X. 2009 , ( B. Pacheco ) : 1 male ( MZUCR ). Alajuela (unspecified location), 15.VIII.1952 , ( R. Matsuda ) : 2 males ( SEMC ). Cartago — Bajo Tapantí Farm , Pejibaye , Jiménez X 195,930, Y 561,751, 1250 m a.s.l. , 13.IV.2005 , ( Y. Cardenas ): 1 male , 1 female ( InBio Cat. #80080). Birrisito , Parruas River , 1350 m a.s.l., 15.X.1998 , (C. Guillén): 2 males ( MZUCR ). La Unión , 1780 m a.s.l. , 23.VIII.1998 , ( F. Mora ) : 1 female ( MZUCR ). Puntarenas — La Amistad , Altamira Sector , Biolley Hill, A. C . Amistad , X 332,700, Y 572,400, 1800 m a.s.l. , I.1994 , ( R. Delgado ) : 5 males , 2 females ( InBio Cat. # 2547). San Vito , stream, Las Cruces OET , close to waterfall, 25.I.2010 , ( M. Springer ) : 1 female ( MZUCR ). Monteverde , IV–V.2004 , ( A. Lorimer ) : 1 male ( MZUCR ). San José — Tabarcia River , Palmichal , Acosta , N 0 9.8333333 , W - 84.2, 1200 m a.s.l. , 25.II.2008 , (B. Pacheco): 3 males, 2 females, 1 nymph (MZUCR). Moravia, Zurquí, nearby La Fonda Restaurant, puddles on the road, 1200–1400 m a.s.l., 23.VIII.2007 , (B. Pacheco): 2 females ( MZUCR ). Braulio Carrillo, Stream 200 m behind La Fonda Restaurant , 30.XI.1996 , ( N. Franz ) : 1 male ( MZUCR ). Cerro de la Muerte , N 09.71739° , W -83.96142°, 2292 m a.s.l. , 2008, (B. Pacheco ): 5 males , 4 females ( MZUCR ). Moravia , 22.II.2009 , ( P. Gutiérrez & M. Springer ) : 2 females , 5 nymphs ( MZUCR ). Cerro de la Muerte , Los Santos , N 09.71478° , W -83.96893°, 2237 m a.s.l. , 2008, (B. Pacheco): 5 males, 3 females, 5 nymphs (MZUCR).