Entomopathogenic nematodes for biological control of horn fl y, Haematobia irritans L. (Diptera: Muscidae), preliminary studies

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CONSUELO ALMAZÁN GARCÍA
IGNACIO ARMENDÁRIZ GONZÁLEZ
RUBÉN RODRÍGUEZ SOLANO

Abstract

NINE POPULATIONS OF ENTOMOPATHOGENIC NEMATODES BELONGING TO SEVEN SPECIES OF STEINERNEMA AND HETERORHABDITIS GENERA WERE TESTED AGAINST HORN FL Y (HAEMATOBIA IRRITANS L.). THE STUDY WAS CARRIED OUT UNDER LABORATORY CONDITIONS IN THREE EXPERIMENTS: FL Y LARVAE IN PETRI DISH, PUPAE IN SOIL AND PUPAE IN MANURE. EIGHT NEMATODE POPULATIONS SHOWED INFECTIVITY AGAINST LARVAE OR ADULT FLY IN THE PETRI DISH TEST BUT ONLY S. CARPOCAPSAE SHOWED INFECTIVITY IN THE SOIL AND IN THE MANURE TESTS. SOIL PASTURES SAMPLED FROM TAMAULIPAS DID NOT SHOW PRESENCE OF ANY NATURAL ENTOMOPATHOGENIC NEMATODE POPULATION.
Keywords:
BIOLOGICAL CONTROL ENTOMOPATHOGENIC NEMATODES STEINERNEMA CARPOCAPSAE S ARENARIUM S FELTIAE S GLASERI S LONGICAUDATUM S RIOBRAVE HETERORHABDITIS BACTERIOPHORA HAEMATOBIA IRRITANS HORN FLY

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