Parastrigea cincta, Dubois, 1968

Ortega-Olivares, Mirza P., Hernández-Mena, David I., León, Gerardo Pérez-Ponce De & García-Varela, Martín, 2011, Helminths of the white ibis, Eudocimus albus (Aves: Therskiornithidae) in Mexico., Zootaxa 3088, pp. 15-26 : 17

Paratrigea cincta Dubois, 1968

( Fig. 2 )

Localities. NAYARIT: Laguna la Tovara, San Blas. SINALOA: Laguna el Huizache, Laguna el Caimanero. VERACRUZ: Río Tecolutla.

Specimens deposited. CNHE 7168.

Remarks. This specie was described by Dubois (1968) from the heron Ardea sp. and the red faced head Phimosus infuscatus berlepschi ( Lichtenstein) from Brazil, Colombia and Venezuela. The specimens collected in the present study from Eudocimus albus were identified as Parastrigea cincta because the total length of the organism (varying from 4.7–6.0 mm), as well as other measurements, correspond with the ranges given for the species. The anterior segment length ranges from 2.2–2.5 by 2.6–2.8 width, while the posterior segment length ranges from 2.9– 3.4 by 1.8–2.2 width. Characteristically, the anterior segment is wider because of the lateral expansion of the holdfast; the vitellarium is follicular and densely extended into copulatory bursa, and testes are multilobated (see Dubois 1968; McDonald 1981).This trematode is reported in Mexico for the first time, and Eudocimus albus represents a new definitive host for P. cincta .

Figures

FIGURES 2 – 4. 2. Parastrigea cincta Brandes, 1888 ventral view. 3. Parastrigea diovadena Dubois & Macko, 1972 dorsal view. 4. Patagifer lamothei Dronen & Blend, 2008 ventral view. Scale bars = 1 mm.