Abstract
Between June/2004 and May/2005 we captured 03 specimens of the Iguana iguana, 26 of the Tropidurus hispidus and 03 of the Diploglossus lessonae from several municipalities of the Crato (7o14'S; 39o24'W), Barbalha (7o20'S; 39o18'W), Juazeiro do Norte (7o13'S; 39o19'W), Nova Olinda (7o06'S; 39o41'W) e Iguatu (6o21’S; 39o17’W), state of Ceara. The lizards were dissected for analyses of gastrointestinal helminthes. Four species of nematodes were found: Alaeuris vogelsangi, Pharyngodon sp., Thelandros (=Parapharyngodon) sceleratus e Thelandros verrucosus, with prevalences between 8% to 100%. Tropidurus hispidus have the most diverse nematode fauna (02 species). Iguana iguana had the highest prevalence of nematodes (100%) and mean infection intensity (4.866.6 ± 318.1, 4.2265.244). The results are the second record of A. vogelsangi infecting I. iguana and T. verrucosus infecting D. lessonae in the Northeastern Brazil. Tropidurus hispidus are a new record host for Pharyngodon sp. and T.
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