Laboratory evaluation of five pesticides for control of Leptotrombidium fletcheri (Acari: Trombiculidae)

Five pesticides were evaluated against laboratory colonies of Leptotrombidium fletcheri (Womersly and Heaslip) by the Pasteur pipet technique. The pesticides were dieldrin (LC50 = 3.6 ppm, LC99 = 18.2 ppm), bromopropylate (LC50 = 9.2 ppm, LC99 = 239.6 ppm), dicofol (LC50 = 27.8 ppm, LC99 = 118.1 ppm...

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Veröffentlicht in:	Southeast Asian journal of tropical medicine and public health 1992-03, Vol.23 (1), p.125-127
Hauptverfasser:	HO, T. M, FAUZIAH, M. K, SALEH, I
Format:	Artikel
Sprache:	eng
Schlagworte:	Animals Ascariasis Benzilates Biological and medical sciences Dicofol Dieldrin Diseases caused by nematodes Evaluation Studies as Topic Fenthion Helminthic diseases Infectious diseases Insect Control - methods Insect Control - standards Insect Vectors Insecticides Lethal Dose 50 Malathion Malaysia Medical sciences Parasitic diseases Scrub Typhus - transmission Trombiculidae Tropical medicine
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Beschreibung
Zusammenfassung:	Five pesticides were evaluated against laboratory colonies of Leptotrombidium fletcheri (Womersly and Heaslip) by the Pasteur pipet technique. The pesticides were dieldrin (LC50 = 3.6 ppm, LC99 = 18.2 ppm), bromopropylate (LC50 = 9.2 ppm, LC99 = 239.6 ppm), dicofol (LC50 = 27.8 ppm, LC99 = 118.1 ppm), fenthion (LC50 = 15.4 ppm, LC99 = 29.7 ppm), and malathion (LC50 = 84.7 ppm, LC99 = 313.9 ppm). Dieldrin was the most toxic. Dicofol was recommended for further evaluation in field trials.
ISSN:	0125-1562