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Korean J Parasitol > Volume 8(2):1970 > Article

Original Article
Korean J Parasitol. 1970 Aug;8(2):51-57. English.
Published online Mar 20, 1994.  http://dx.doi.org/10.3347/kjp.1970.8.2.51
Copyright © 1970 by The Korean Society for Parasitology
Study on the ticks of Chejudo-life cycle
Soong Ho Kim
Department of Veterinary Medicine, Cheju College, Korea.
Abstract

This study was conducted to study the life cycle of Haemaphysalis bispinosa and Boophilus microplus.

The results obtained are summarized as follows.

1. The period of blood-sucking from a host was 20-25 days (average 22.5 days) for Haemaphysalis bispinosa and was 28-43 days (average 35.5 days) for Boophilus microplus.

2. The parasitism period of Haemaphysalis bispinosa on the host was the same as the blood sucking period, but the parasitism period of Boophilus microplus was only 20-23 days (average 21.5 days) because the Boophilus microplus molted its skin while still on the host.

3. The period from hatching to death for Haemaphysalis bispinosa was 73-123 days (average 101 days) and was 63-92 days (average 77.5 days) for Boophilus microplus.

4. The ticks were waiting on the grass for their host. I could find ticks especially on miscanthus purpurascens, braken, and miscanthus grasses. Larvae had climbed to a height of 15-35 cm and there formed groups of 500.

5. Young adults had climbed to a height of 80 cm and there formed groups from 1 to 5. The number of eggs laid was 2,452 by Haemaphysalis bispinosa and 2,836 by Boophilus microplus.

6. Larvae could not survive the winter. Nymph and young adults of Haemaphysalis bispinosa survived the winter. Boophilus microplus survived the winter as eggs.

Figures


Fig. 1
Seed tick (larve) clusters on grass tips.


Fig. 2
Nymph and young adult on grass tip.


Fig. 3
Female lays eggs.


Fig. 4
Life cycle of the cattle tick (Haemaphysalis bispinosa).


Fig. 5
Life cycle of the cattle tick (Boophilus microplus).

Tables


Table 1
Life cycle of seed ticks (Larvae)


Table 2
Life cycle of nymph


Table 3
Life cycle of adult (Female).


Table 4
Hatching period of tick eggs.

References
1. Bremner KC. Australian J 2001 1959;7:7–12.
2. Han TW, et al. Research reports of the office of Rural Development 1967;9:91–103.
3. Kitaoka S, et al. Bulletin National Insttute Animal Health 1958;34:135–147.
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