A Simplified Carbon Dioxide Collection Technique for the Recovery of Live Ticks Acarina)

Abstract
In the past few years several investigators have explored the use of CO2 for the collection of ticks. Garcia (1965, Amer. J. Trop. Med. Hyg. 14: 1090–93) proposed one of the simplest techniques. His system consisted of putting a block of dry ice on a 1-yd2 (0.836-m2) piece of flannel; the dry ice was placed on a wire mesh platform to prevent the ticks from coming into direct contact with the ice. After 1–2 hr, the flannel was recovered and the ticks removed. Wilson, Kinzer, Sauer & Hair (1972, J. Med. Ent. 9: 245–52) developed an excellent Co2 trap for population studies, but the system is somewhat limited when a large number of samples is needed over a short period of time. Miles (1968, J. Med. Ent. 5: 491–95) also developed a relatively elaborate trap to recover Ornithodoros sp. from rodent burrows.

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