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1 February 2001 TETRAMERES (TETRAMERES) MEGAPHASMIDIATA N. SP. (NEMATODA: TETRAMERIDAE), A PARASITE OF THE TWO-BANDED PLOVER, CHARADRIUS FALKLANDICUS, AND WHITE-RUMPED SANDPIPER, CALIDRIS FUSCICOLLIS, FROM PATAGONIA, ARGENTINA
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Abstract

Tetrameres (Tetrameres) megaphasmidiata n. sp. is described from the proventriculus of the two-banded plover, Charadrius falklandicus, and the white-rumped sandpiper, Calidris fuscicollis, from Patagonia, Argentina. The new species shares with T. (T.) nouveli, T. (T.) paradisea, T. (T.) prozeskyi, T. paraaraliensis, T. (T.) cladorhynchi, and T. lobybicis the absence of the right spicule and the presence of 4 rows of somatic spines. Tetrameres (T.) megaphasmidiata n. sp. differs from the first 4 species mainly by its longer left spicule. The new species can be distinguished from T. (T.) cladorhynchi by the extension of the lateral alae, the number and arrangement of the caudal papillae, and the absence of polar filaments in the eggs. Tetrameres lobybicis differs from the new species by having shorter rows of dorsal spines and a different number and arrangement of the caudal papillae. This report is the first record of a species of Tetrameres in C. falklandicus and C. fuscicollis.

Florencia Cremonte, M. Celina Digiani, Luis O. Bala, and Graciela T. Navone "TETRAMERES (TETRAMERES) MEGAPHASMIDIATA N. SP. (NEMATODA: TETRAMERIDAE), A PARASITE OF THE TWO-BANDED PLOVER, CHARADRIUS FALKLANDICUS, AND WHITE-RUMPED SANDPIPER, CALIDRIS FUSCICOLLIS, FROM PATAGONIA, ARGENTINA," Journal of Parasitology 87(1), (1 February 2001). https://doi.org/10.1645/0022-3395(2001)087[0148:TTMNSN]2.0.CO;2
Received: 17 March 2000; Accepted: 1 July 2000; Published: 1 February 2001
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