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1 August 2003 BAKKEIUS MORAGAI N. GEN. ET N. SP. AND POJMANSKIA RIOSAE N. GEN. ET N. SP. (TREMATODA: DIGENEA: BRACHYLAIMOIDEA) IN BIRDS FROM THE AREA DE CONSERVACIÓN GUANACASTE, COSTA RICA
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Abstract
We describe 2 new species of leucochloridiid-like brachylaimoid digeneans parasitizing a variety of birds in the Area de Conservación Guanacaste, Costa Rica, each of which we assign to a new genus. According to Pojmanska's (Pojmanska, T. 2002a. Superfamily Brachylaimoidea Joyeux & Foley, 1930. In Keys to the Trematoda, D. I. Gibson, A. Jones, and R. A. Bray [eds.]. CAB International and The Natural History Museum, London, U.K., p. 31–36.) key for the Brachylaimoidea, we are unable to place either species in any family. One species most closely resembles members of Leucochloridium by having well-developed suckers, lacking an esophagus, and having cecal shoulders, gonads at the posterior end, and the genital pore at posterior end of body but differs by having symmetrical testes, a posttesticular ovary, and a terminal genital pore; thus, we propose the genus Bakkeius for it. The second new genus resembles members of Michajlovia by having ventral genital pores but differs by having extracecal uterine loops in the forebody, a cirrus sac containing the pars prostatica and seminal vesicle, and gland cells surrounding the genital pore; thus, we propose Pojmanskia for it. These new genera must currently be treated as incertae sedis according to Pojmanska (op. cit.); however, we feel that future phylogenetic analyses will require emendation of the family diagnosis for Leucochloridiidae to include those taxa with terminal and ventral genital pores and with preovarian testes.
David Zamparo, Daniel R. Brooks and Douglas Causey "BAKKEIUS MORAGAI N. GEN. ET N. SP. AND POJMANSKIA RIOSAE N. GEN. ET N. SP. (TREMATODA: DIGENEA: BRACHYLAIMOIDEA) IN BIRDS FROM THE AREA DE CONSERVACIÓN GUANACASTE, COSTA RICA," Journal of Parasitology 89(4), (1 August 2003). https://doi.org/10.1645/GE-3101
Received: 9 October 2002; Accepted: ; Published: 1 August 2003
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