Bacillus thuringiensis H-14 was tested as follows : Laboratory trials revealed a LC50 at 3.2027 ppm and 1.4998 ppm and LC90 at 12.2521 ppm and 7.3356 ppm at exposures of respectively 24 and 48 hours. Small scale trials in ricefield plots in Hilisimaetano village showed a reduction rate of respectively 85.54 percent-89.54 percent, 88.36 percent-94.61 percent and 88.61 percent-94.55 percent at do…
The vector control program has been imlemented in Indonesia for many years, however, vector-borne diseases are presently still a problem in Indonesia. Past activities for vector control implemented indoor residual spraying and larviciding only. Vector control problem occur through many causes and this has complicated past control programs. Presently these complicated causes are surveyed through…
A two-year study was conducted starting on May 1992, to observe the seasonal fluctuation, biting activity and the potency of An. hyrcanus spesies group as malaria vector in Teluk Dalam District, Nias Island, North Sumatera province. Regular standard collecting methods such as night landing and morning collections - indoor and outdoor, revealed 4 species of An. hyrcanus group, e.g. An.sinensis, …