Examinación de caracteres diagnósticos en todas las especies de Acanthagrion y Oxyagrion muestra que el patrón de coloración por si mismo no es un carácter diagnóstico confiable. Ambos géneros son redefinidos sobre la base ...

In Argentina approximately 280 odonate species have been recorded, which are chiefly found in the north-eastern and north-western regions. With only three previously recorded species, La Pampa province is one of most ...