Parasitologia hungarica

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Author(s): Szabó, L.
Title: Insecticide resistance of houseflies (Musca domestica L.) in Hungary. II. Resistance to organophosphorus insecticides
Title: A házilégy (Musca domestica) inszekticid rezisztenciája Magyarországon. II. Foszforsavészterekkel szembeni szembeni rezisztencia
Year: 1986
Volume: 19
Pages: 93-103.

Abstract: The resistance of housefly populations to trichlorfon, dichlorvos (DDVP) and fenitrothion is reported in the present paper. The highest resistance was found to trichlorfon: the resistance index calculated on the basis of the LD50 values was below 50, between 50 and 100, between 100 and 200, and above 200 in 1, 2, 10 and 4 populations, respectively, of the 17 populations tested. The resistance indices calculated on the basis of the LD95 values were much higher, suggesting that in natural populations there are many flies carrying genes responsible for high resistance. Only a few populations exhibited some weak resistance to dichlorvos (DDVP): the resistance index was above 10 for one, between 5 and 10 for two, and below 5 for the remaining, populations. Fenitrothion resistance was moderate or low: only in one population did the resistance index exceed 20, in 3 populations it was between 10 and 20, whereas for the other populations below 10.
Keywords: Hungary, resistance tests, Musca domestica L., local populations, WHO/SRS strain, trichlorfon, dichlorvos (DDVP), fenitrothion

Journal: Parasitologia Hungarica
Journal abbreviation:
ISSN: 0303-688X
Publisher: Népművelési Propaganda Iroda, Budapest
Editor(s): K. Murai, É., Thoma, A. & Nemes, I.