Hyalella kochi González & Watling, 2001

Santos, Ana Lucia Freitas Dos, Araujo, Paula Beatriz & Bond-Buckup, Georgina, 2008, New species and new reports of Hyalella (Crustacea, Amphipoda, Dogielinotidae) from Argentina, Zootaxa 1760 (1), pp. 24-36 : 32-36

Hyalella kochi González & Watling, 2001

Material examined: Argentina, Province of Jujuy, La Quiaca, Yavi Chico River , (22º05’53”S – 65º27’16” W), 3,432 m, May 2001, UFRGS 3244 (3 males, 7 females, 2 juveniles) . Province of Jujuy, reservoir near Escuela Agrotécnica in Humahuaca (23º11’50”S –65º20’25”), 2998 m, May 2001, UFRGS 3245 (29 males, 11 females, 12 juveniles) . Province of Jujuy, Tilcara, lake north of Tilcara, near Rio Grande (23º33’50” S – 65º23’05” W), 2,503 m, May 2001, UFRGS 3246 (3 males, 6 females, 1 juveniles) . Province of Tucumán, streamlet tributary of Rio de Los Sojas on Route 307 in the direction of Tucumán with Tafi del Valle (26º56’27”S – 65º39’56” W), 1,855 m, May 2001, UFRGS 3247 (15 males, 15 females, 3 juveniles) .

Remarks. This species is known from Chile, Peru, and Bolivia ( Gonzalez & Watling, 2001). The samples from northeastern Argentina constitute a new record in that country, and extend the distribution of this species ( Table 1).

Species Type-locality Distribution

H. curvispina Small mud puddles Chile: Punta Arenas ( Cunningham, 1871), Province of Concepción, Shoemaker, which dry up in Sum- Ramuntcho, Escuadrón ( Grosso & Peralta, 1999). 1942 mer, near Montev- Peru: Pampa of Cangallo. Brazil: Rio Grande do Sul State, river Imbé, flow-

ideo, Uruguay ing into the Lagoon of Tramandaí; Uruguay: Montevideo: “Paso de la

Arena”; Plajas Blancas; quite near the sea coast; but still fresh water;

Carrasco Creek; from a well, 20 meters deep, subsoil line, near Montevideo

( Shoemaker, 1942)

Brazil: Sarapuí, Rio de Janeiro State ( Oliveira, 1953).

Argentina: Islas Malvinas ( Stock & Platvoet, 1991).

Argentina: Argentinean lake, Puerto Bandera; laguna larga, Futalaufquen;

Lacar lake, San Martín of Andes; Buenos Aires, Palomar; Neuquén, San

Martín of Andes Magallanes: sector Dinamarquero ;

Brazil: Southern; Uruguay and Argentina ( González, 2003)

H. fossamanci- Bramadero river, Argentina: Bramadero river, Santa Cruz river, Las Arenas lagoon, Valle Hernii Cavalieri, Santa Cruz river, Las moso river, Patillos river, Province of San Juan ( Cavalieri, 1959) 1959 Arenas lagoon, Valle

Hermoso river, Patil-

los river

Province of San Juan

H. pampeana Arroyo Vitel , Buenos Argentina: Province of Buenos Aires: Arroyo Vitel; chascomús lagoon Cavalieri, 1968 Aires ( Cavalieri, 1968)

H. neonoma Mount Pleasant Road, Falkland Islands: Unnamed creek on Wireless Ridge near Stanley; Murrell Stock & opposite the settle- River, around Stanley; small pond at Bertha’s Beach; Mullet Creek stream, Platvoet, 1991 ment of Fitzroy, Falk- at the crossing with the Mount Pleasant Road; Fitzroy river, at crossing with

land Islands the Mount Pleasant Road; unnamed stream at crossing with the Mount Pleas-

ant Road, opposite the settlement of Fitzroy; Big Pond, Pebble Island; small

stream near settlement Pebble Island; Pond near Whaling station; Spring

Rookery Hill, New Island. ( Stock & Platvoet, 1991)

H. falklandensis Sabruno Ditch , Falk- Falkland Islands: west Falklands: Diamond Corner Paddock, 15 km NNE Bousfield, 1996 land Islands from Fox Bay; Kangaroo Stream; Crinkley Bottom Ponds, 3 km N of Fox

Bay; Fox Bay West Head stream. East Falklands: large pond 5 km W

of Gibraltar, San Salvador; Sabruno Ditch; Port Sussex, Shepherd’s River;

Cino Brook. ( Bousfield, 1996)

H. araucana River of Los Dervos Chile: Punta Arenas, streamlet of freshwater (Cuningham, 1871); Grosso & Per- ( Chile) Argentina: Aropardo river, Peninsule near to Ushuaia, streamlet Gente alta, 1999 River of los Ciervos Grande, Deseado lake, Fagnano lake, Punta Arenas, Santa Cruz, Fossiles

( Chile) (González, river, Isla Picton, Punta Arenas river of Minas, Beagle channel (Schellen-

2001 berg, 1931), Province of Santa Cruz, Magallanes, “Estância Roca Branca”;

Puelo lake; Lacar lake, San Martín of andes; Verde lagoon, Chapelco; Neu-

quén, Zapala, Blanca lagoon; Magallanes – river of los Dervos, Chorrillo San

José, Península Brunswick; Puerto Natales, Hollemberg river; Olnie river,

Santa Cruz; province of Aysen, Pólux lake, Chorrillo de la Piedra, Seco river

( Grosso & Peralta, 1999).

H. rionegrina El Bolson , Province Argentina: Province of Negro river: “El Bolson” ( Grosso & Peralta, 1999) Grosso & Per- of Negro river alta, 1999 parisons between males, excepting to H. rionegrina (G1: gnathopod 1, G2: gnathopod 2).

This collection significantly enlarged our knowledge of the species diversity of Hyalella , increasing by 28.5% the species of this genus known from Argentina. So, it is necessary more studies of the argentinean crustacean fauna.