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Korean J Parasitol > Volume 11(2):1973 > Article

Original Article
Korean J Parasitol. 1973 Aug;11(2):95-101. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1973.11.2.95
Copyright © 1973 by The Korean Society for Parasitology
A Study on the ticks of Chejudo IV. Monthly life flow of ticks
Seong Ho Kim
Department of Veterinary Medicine, Cheju College, Korea.
Abstract

Following is the result of a survey hold over a two year period(1971-1972), on the appearence and disappearence of ticks on cattle in Cheju.

1. Number of Haemaphysalis longicornis

1) Larvae: From the beginning of July to mid September larvae abounded reaching their peak during July and August. In 1971 their period was from July to September. In 1972 their period was from May to October. In both years their number reached their highest point in July and August(Table 1.2)

2) Nymph: Ticks were found from February to October(1971) and January to December (1972), and they were especially plentiful during the periods of may (1971)(Table 1.2)

3) Adult: Ticks were in evidence from April to October(1971) and January to December(1972). They were especially plentiful during the periods of July and August(1971) and August(1972). However, in 1972 they were also quite plentiful in June and July(1972)(Table 1.2).

2. Percentage of Haemaphysalis longicornis.

1) 1971(Fig. 1): February-May: nymph 94.1%, adult female 5.9%; July-August: larvae 54.8%

2) 1972(Fig. 2): January-May: larvae 18.2%, nymph 18.2%, adult female 3.8%; July-August: larvae 48.2%, nymph 11.6%, adult female 40.2%.

3. Number of Boophilus microplus

1) larvae: Ticks were in evidence from April to October(1971) and January to December(1972). They were especially plentiful during the periods of June adn July(1971) and July to August(1972). However, in 1972 they were also quite plentiful in May.

2) Nymph: Ticks were in evidence from January to December 1971 and 1972. They were especially plentiful during the periods of June and August(1971) and May to September(1972). However, in 1972 they were also quite plentiful in October and November.

3) Adult: Ticks were in evidence from January to December 1971 and 1972. They were especially plentiful during the periods of July to September(1971) and July (1972). However, in 1972 they were also quite plentiful in May to August.

4.%age of Boophilus microplus

1) 1971(Fig. 3): January-May: larvae 40.3%, nymph 32.3%, adult female 27.1%, July-August: larvae 31.2%, nymph 35.7%, adult female 33.5%.

2) 1972(Fig. 4): January-May: larvae 32.8%, nymph 42.1%, adult female 25.1%, July-August: larvae 44.2%, nymph 26.4%, adult female 29.4%.

Figures


Fig. 1
Monthly percentage of ticks on cattle.


Fig. 2
Monthly percentage of ticks on cattle.


Fig. 3
Monthly percentage of ticks on cattle.


Fig. 4
Monthly percentage of ticks on cattle.

Tables


Table 1
Monthly number of ticks on cattle 1971 (Haemaphysalis longicornis)


Table 2
Monthly number of ticks on cattle 1972 (Haemaphysalis longicornis)


Table 3
Monthly number of ticks on cattle 1971 (Boophilus microplus)


Table 4
Monthly number of ticks on cattle 1972 (Boophilus microplus)


Table 5
Table showing the monthly and mean annual temperatures in ℃ which were converted from the data of Seogipo meteorological station (50m above sea level). The data was observed for 10 years from 1962 to 1971


Table 6
Table showing the monthly distribution of rain fall in mm which was abserved for 10 years from 1962 to 1971 at Seogipo meteorological station

References
1. Kim SH. [Study On The Ticks Of Chejudo-Life Cycle]. Korean J Parasitol 1970;8(2):51–57.
 
2. Son JY. Korean J Vet Res 1964;4:14–14.
3. Han TW, et al. Bull VRL 1967;15:1.
4. Han TW, et al. Bull VRL 1967;10:25–33.
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