Platygerris caeruleus Champion, 1898

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, Zootaxa 4471 (3), pp. 493-522 : 499

Platygerris caeruleus Champion, 1898

( Fig. 11 )

This species is also known only from Costa Rica, being previously recorded from Alajuela and Cartago provinces, and the Virilla River (Champion 1898, Hungerford 1932, Matsuda 1961b). It is herein recorded for the first time from Guanacaste, Heredia, Limón, Puntarenas, and San José provinces. Platygerris caeruleus is found on the riffles of lotic habitats along the Atlantic and Pacific slopes, up to 2,100 m a.s.l. This species was observed forming an aggregation in a river in Moravia, San José Province.

Material examined. Alajuela — San Carlos, La Vieja River , N 10° 16.926’, W 084° 27.158’, 736 m a.s.l., 01.VIII.2009 : 2 males, 3 nymphs ( MZUCR). San Ramón , La Paz River , X.2 0 0 0, (A. Loría): 3 females ( MZUCR). San Ramón, San Lorencito River , Biological Reserve REBAMB, 850 m a.s.l, (B. Pacheco & M. Zumbado ): 13 males, 24 females, 20 nymphs ( MZUCR). San Ramón , REBAMB, N 10° 13’ 06.8’’, W -084° 35’ 48.9’’ , 876 m a.s.l.: 3 males ( MZUCR). San Ramón, REBAMB, Waterfall, X.2008, (B. Pacheco ) : 1 male, 1 female, 2 nymphs ( MZUCR). San Ramón, Piedades Sur, N 10° 07.047’, W084° 32.802’, 09.IV.2009, (B. Pacheco ) : 1 female, 6 nymphs ( MZUCR). San Carlos, Negritos River, 8419,27/ 1022,381, 446 m a.s.l., 23.VIII.2008, (B. Pacheco ) : 6 females, 6 nymphs ( MZUCR). Cartago — Llano Los Ángeles , 2100 m a.s.l., 22.V.1991, (R. Ceciliano): 1 female ( MIUCR). Guanacaste — Miravalles Volcano, Cabro Muco Station , X 299,769, Y 411,243 , 1100m a.s.l., 23.X. 2003, (J. Azofeifa): 2 females (InBio Cat. #75475). Maritza Station , Tempisquito River , X 326,900, Y373,000 550, 1550 m a.s.l., 20.II.1994 : 2 females (InBio Cat. # 286). Maritza Station, West side of Orosi Volcano , X 326,900, Y 373,000, 600 m a.s.l., V.1990, (R. Blanco) : 4 males, 2 females (InBio). Heredia — Braulio Carrillo National Park, Magsasay Station , X 264,600, Y 531,100, 200 m a.s.l., X.1990, (R. Aguilar) : 1 male, 1 female (InBio). Limón — Pococí, Guápiles , Blanco River , 100 m a.s.l., 21.XI.2005, (E. Boza): 1 female ( MZUCR). Braulio Carrillo National Park, González Stream, 28.II.2008, (D. Vásquez ) : 1 female ( MZUCR). Puntarenas — Coto Brus, San Vito, Las Cruces Station OTS, Jaba River , 24.I.2010, (M. Springer) : 1 male, 1 nymph ( MZUCR). San José — Pérez Zeledón , N 09° 16.597’, W -083° 27.682’, 827 m a.s.l. , 2009, (J. Wright): 1 male, 1 nymph ( MZUCR). Moravia, Pará-Blanco River , N 10° 01.610’, W 084° 00.665’, 1418 m a.s.l., 01.II.2009, (B. Pacheco ) : 2 males, 2 females, 11 nymphs ( MZUCR). Moravia , Pará River, N 09° 59.661, W -084° 01.975’ , 1257 m a.s.l, 01. III.2009, (B. Pacheco ) : 7 males, 6 females, 10 nymphs ( MZUCR). Vásquez de Coronado, San Pedro, Macho River, 1400 m a.s.l., 22.X.2005 (E. Boza ) : 1 male ( MZUCR). Braulio Carrillo National Park, González Stream, 28.II.2008 (D. Vásquez ) : 1 male ( MZUCR). Acosta, Palmichal, Tabarcia River , N 9.8333333, W-84.2, 1200 m. a.s.l., 25.II.2008 (B. Pacheco ) : 2 females, 1 nymph (MZUCR).

Figures

FIGURE 11. Collecting records of Cylindrostethinae within the Costa Rican territory.