Ranatra segrega Montandon 1913
 
Geographic distribution
Distribution
No economic damages registered
  • Argentina
    • Entre Ríos
  • Uruguay
Other distribution
Also known from Brazil (De Carlo 1973).
 
This species lives in bodies of slow to zero current water, close to the surface, among the submerged plants, and which is almost always completely covered in a black layer of manganese and iron oxides (Bachmann 1962).
  • RUFFINELLI A. & PIRÁN A.A. 1959. Hemípteros heterópteros del Uruguay. Boletín de la Facultad de Agronomía, Montevideo 51: 1–60.
  • BACHMANN, A.O. 1962. Apuntes para una hidrobiologia argentina, IV. Los Hemiptera Cryptocerata del Delta del Parana (Insecta). Revista de la Sociedad Entomologica Argentina 23: 24-25.
  • DE CARLO, J.A. 1973. Clave de las especies americanas descriptas del género Ranatra Fabricius (Hemiptera, Ranatridae, Ranatrinae). Revista de la Sociedad Entomologica Argentina 34, 1972: 177-185.
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