Gastromermis cordobensis n. sp. (Nematoda: Mermithidae) parasitizing Simulium lahillei Patterson & Shannon (Diptera: Simuliidae) in Argentina

Abstract

Gastromermis cordobensis n. sp (Nematoda: Mermithidae) a parasite of larvae of the blackfly Simulium lahillei Paterson & Shannon (Diptera: Simuliidae) in Argentina, is described. Diagnostic characters of this species include a mouth ventrlly shifted; six cephalic papillae; eigh hypodermal chords; small and pear shaped amphids; a long and S-shaped vagina; a singl spicule, which is long, has non-uniform walls, and a tip with sculpture; three rows of genital papillae, the middle one with 18 pre-anal and 10 post-anal papillae, the lateral rows have 36 papillae each; oval eggs; and post-parasitic juveniles with long thin tails. Pre-parasitic and parasitic juveniles are included in the description

Biodiversidad De Mermítidos (Nematoda, Mermithidae) Parasitoides De Larvas De Dípteros Acuáticos (Simuliidae, Culicidae Y Chironomidae) en Argentina

“…Se han hallado en simúlidos dos especies del género Ditremamermis Camino & Poinar, 1988(Camino & Poinar, 1988Camino, 1998); ocho especies de Mesomermis Daday, 1911 (Camino, 1985a(Camino, , 1990(Camino, , 1991c(Camino, , 1994a; cuatro especies de Gastromermis Micoletzky, 1923 (Camino, 1985b, 1991a, 1993a; 2 de Octomyomermis Johnson, 1963 (Camino 1988(Camino , 1992; 2 de Isomermis Coman, 1953 (Camino, 1987(Camino, , 1994b; 2 de Limnomermis Daday, 1911Camino, 1998); 1 especie de Hydromermis Corti, 1902 (Camino, 1993b); y 1 de Bathymermis Daday, 1911 (Camino, 1993c) en diferentes localidades de la Argentina (Tabla 1). Como se observa en la tabla 2, la prevalencia varió de 3% a 18%.…”

Parasitismo por Mermithidae (Nematoda) em larvas do gênero Chironomus gr. decorus (Diptera: Chironomidae) no Rio dos Peixes, Dois Córregos, SP, Brasil

“…Camino 1991, Poinar & Poinar 2003, Johnson & Kleve 2003. Neste estudo, de um total de 791 larvas amostradas (Tabela 1), 205 (25,9%) estavam sendo parasitadas por vermes Mermithidae.…”