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Introduction: Strongyloides venezuelensis has been used as a model for studying human strongyloidosis., Methods: This study aimed to compare the ability of predatory nematophagous fungi Duddingtonia flagrans (AC001), Arthrobotrys robusta (I-31) and Monacrosporium sinense (SF53) and on infective larvae (L3) of Strongyloides venezuelensis in laboratory conditions on 2% water-agar medium., Results: At the end of the experiment, the percentage reductions of Strongyloides venezuelensi L3 were: 93% (AC001), 77.2% (I-31) and 65.2% (SF53)., Conclusions: The nematophagous fungi were able to capture and destroy the L3 in vitro and can be used as biological controllers of Strongyloides venezuelensi.

Introduction: Ancylostoma sp is a potentially zoonotic geohelminth., Methods: This study aimed to evaluate in vitro the action of crude enzyme extract of Pochonia chlamydosporia (VC4) on eggs of Ancylostoma sp in 2% water-agar and in fecal cultures., Results: The percentage reduction in Ancylostoma sp egg eclosion was 76.8% in Petri dishes of the treated group compared to the control group., Conclusions: The crude enzyme extract of Pochonia chlamydosporia was effective at reducing Ancylostoma sp egg eclosion and can be used as biological control of this nematode.

Introduction: Strongyloides stercoralis is a nematode that infects much of the population worldwide., Methods: This study aimed to compare the ability of predatory nematophagous fungi Duddingtonia flagrans (AC001), Monacrosporium thaumasium (NF34) and Arthrobotrys robusta (I-31) on infective larvae (L₃) of Strongyloides stercoralis in laboratory conditions on 2% water-agar., Results: At the end of the experiment, the percentage reductions in Strongyloides stercoralis L3 were 83.7% (AC001), 75.5% (NF34) and 73.2% (I-31)., Conclusions: The nematophagous fungi were able to capture and destroy the L3 in vitro and may be used as biological controls of Strongyloides stercoralis.

With the aim of demonstrating the effectiveness of the fungus Paecilomyces lilacinus on Taenia saginata eggs under laboratory conditions, a trial was set up in Petri dishes with water-agar 2%. There was ovicidal activity (p < 0.05) in relation to the control group on the tenth day of interaction and an internal colonization rate of 25.5% in the eggs.