taxonID	type	description	language	source
EB7D6A1CFFC8FA23FF4FB56AFDD8FBFD.taxon	discussion	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.	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFC8FA23FF4FB3DEFEBCF9D7.taxon	discussion	Remarks. The trematodes found in the anterior region of the intestine of Eudocimus albus in nine localities of Mexico were identified as Parastrigea diovadena based on morphological characters. The measurements of some organs of our material are slightly smaller than those reported in the original description by Dubois & Macko (1972). This species of trematode seems to be specific for the white ibis, because it has only been recorded in this host in some localities of Cuba (Dubois & Macko 1972) and Florida (Forrester & Spalding 2003). In the current study, P. diovadena is recorded for the first time in Mexico, extending the geographical distribution range of this trematode.	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFC8FA25FF4FB078FC04FE12.taxon	discussion	Remarks. The morphological characters of this material correspond with those presented in the original description of this equinostomid trematode (Dronen & Blend 2008). The presence of a bilobed head collar, bearing a total of 56 spines (28 spines per side) is a major character that distinguishes this species, as well as the position of the ovary and the position of anterior and posterior testes, with respect each other. Patagifer lamothei was originally reported as a parasite of the white ibis, Eudocimus albus in Galveston, Texas (Dronen & Blend 2008); its presence in the white of ibis in 5 localities from the Pacific Ocean slope and in other 3 localities of the Gulf of Mexico, extends the distribution area of this equinostomatid trematode.	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFCEFA25FF4FB586FD99FAF3.taxon	discussion	Remarks. The tapeworms recovered in this study were identified as Cyclustera ibisae by considering the morphology of the rostellar hooks (Ortega-Olivares et al. 2008). This species was previously found in the white ibis, Eudocimus albus in Florida (Schmidt & Bush 1972). Later, C. ibisae was recorded from the intestine of Ardea alba (Linnaeus) (≈ Casmerodius albus), Pelecanus occidentalis (Linnaeus), Phalacrocorax auritus (Lesson), and P. brasilianus (Humboldt) from Cuba (see Rysavy & Macko 1973; Bona 1975). Cyclustera ibisae is distinguished from other congeneric species by possessing the rostellar hooks arranged in 2 circles of 10 hooks each, with handle and guard distinctively striated lengthwise (see Scholz et al. 2002) (Fig. 6). Adults of this species have been reported in numerous groups of fish-eating birds distributed in Southeastern U. S. A. (Florida, Georgia), Cuba and Southeastern Mexico (Yucatan Peninsula) (Schmidt & Bush 1972; Rysavy & Macko 1973; Sepúlveda et al. 1994; Kinsella et al. 1996; Kinsella & Forrester 1999; Scholz et al. 2002; Ortega-Olivares et al. 2008). The presence of C. ibisae in the white ibis in 3 localities of the Gulf of Mexico and 1 locality of the Pacific Ocean slope, extend the distribution range of this tapeworm.	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFCEFA27FF4FB126FB87FF49.taxon	discussion	Remarks. Southwellina dimorpha was transferred by García-Varela et al. (2011) to the newly described genus Ibirhynchus based on morphological and molecular characters. The specimens collected in this study exhibit the diagnostic characters of this species, i. e., a short and barrel-shaped proboscis armed with 17 to 24 longitudinal circles of 9 to 14 hooks each. In addition, our specimens show sexual dimorphism in terms of spine distribution in the anterior region of the trunk. The females are characterized by possessing a single field of spines whereas the males have 2 fields. Ibirhynchus dimorpha has been previously reported in the white ibis in localities of Florida and Mexico (Schmidt 1973; Forrester & Spalding 2003; Richardson & Font 2006; García-Varela et al. 2011), and in the whooping crane Grus americana (Linnaeus) in Florida (Richardson & Font 2006).	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFCCFA27FF4FB6C6FE27FC59.taxon	discussion	Remarks. The 5 specimens collected in the present study correspond to Arhythmorhynchus frassoni. This species is characterized by having a long slender body, divided in 2 regions by a constriction, and by having a spined foretrunk, a fusiform proboscis broadening at the base, armed with 18 longitudinal circles of 20 hooks each. The ventral hooks at base of the proboscis are larger than the rest, and the neighboring lateral hooks are smaller than the rest (Petrochenko 1958; Nickol & Heard 1970; Nickol et al. 2002). The specimens recovered in this study are immature, possibly indicating that Eudocimus albus may represent an accidental host for A. frassoni. The distribution area of A. frassoni includes Florida, and the Yucatan Peninsula in Mexico. It has also been reported as larval stage in the fiddler crab Uca rapax (Smith) (Nickol et al. 2002) and the spined fiddler crab Uca spinicarpa (Rathbun) (Guillén-Hernández et al. 2008). Adults of A. frassoni have been previously found in Rallus longirostris Boddaert from Southeastern North America (Nickol & Heard 1970; Nickol et al. 2002). The present record extends its distributional range into the Pacific Ocean slope, since it was already found in Laguna el Caimanero, Sinaloa, Northwestern Mexico.	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFCCFA27FF4FB3D6FA3BF9F6.taxon	discussion	Remarks. The 2 specimens collected in the present study correspond to Hexaglandula corynosoma by having a ventral curved trunk covered by spines extending into the middle region of the trunk, and by lacking genital spines. The specimens show a cylindrical proboscis armed with 16 longitudinal circles of 11 hooks each, conical neck, and double-walled proboscis receptacle, attached at the base of proboscis, with cerebral ganglion at mid-level (see Petrochenko, 1958). Nickol et al. (2002) reported the presence of cystacanths and adults of H. corynosoma in Southeastern U. S. A., and recently, Guillén-Hernández et al. (2008) reported the cystacanths of this species in the decapod Uca spinicarpa and the adult in the Yellow-crowned night heron Nyctanassa violacea (Linnaeus) in Mexico. The specimens recovered from the intestine of the white ibis represent a new host record for H. corynosoma.	en	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: 15-26, DOI: 10.5281/zenodo.200878
EB7D6A1CFFCCFA28FF4FB1B6FA31FEDA.taxon	discussion	Remarks. The 2 specimens collected in the present study correspond to Southwellina hispida by possessing two fields of spines in the anterior region of the trunk, a proboscis cylindrical armed with 16 to 17 longitudinal circles of 12 to 15 hooks each, conical neck, and a double-walled proboscis receptacle (see Schmidt, 1973). This acanthocephalan species use crustacean decapod (Procambarus clarkii Girard) and fish-eating birds to complete their life-cycle. However, snakes, frogs, freshwater and brackish water fish, serve as paratenic hosts (Schmidt 1985). In Mexico, adults of S. hispida parasitize several heron species (García-Varela & Pérez Ponce de León 2008; Barrera-Guzmán & Guillén-Hernández 2008; García-Prieto et al. 2010), whereas cystacanths have been found in the mesentery of fish (Vidal-Martínez et al. 2001; Violante-González et al. 2007; García-Prieto et al. 2010). The two specimens found in the intestine are immature and this may indicate that the white ibis is an accidental host.	en	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: 15-26, DOI: 10.5281/zenodo.200878
