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1 September 2000 Life Cycle of Ixodes (Ixodes) loricatus (Acari: Ixodidae) Under Laboratory Conditions
Teresinha Tizu Sato Schumaker, Marcelo Bahia Labruna, Isis Dos Santos Abel, Paloma Teixeira Soares Clerici
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Abstract

The life cycle of Ixodes (Ixodes) loricatus Neumann, reared in the laboratory, is described. Engorged females collected from opossums trapped in the states of Minas Gerais and São Paulo, Brazil, which were used to start the laboratory colonies, were designated as BMG and CSP, respectively. Larval and nymphal ticks from both colonies fed separately on Rattus norvergicus Berkenhout or Calomys callosus Rengger, whereas Didelphis marsupialis L and Didelphis albiventris Lund were used as hosts for BMG and CSP adults, respectively. Biological and developmental data obtained from ticks of both the BMG and CSP colonies that were reared separately for two consecutive generations were compared. The percentage of fed or molted ticks reared on C. callosus was higher than that recorded for ticks fed on R. norvergicus in the majority of the observations. Despite significant differences among several of the biological parameters, the pattern of the life cycles of the two tick colonies was similar. Results indicated that the mean life cycle duration of I. (I.) loricatus was ≈7 mo from parental oviposition to the occurrence of F1 eggs, regardless of geographic origin or host species.

Teresinha Tizu Sato Schumaker, Marcelo Bahia Labruna, Isis Dos Santos Abel, and Paloma Teixeira Soares Clerici "Life Cycle of Ixodes (Ixodes) loricatus (Acari: Ixodidae) Under Laboratory Conditions," Journal of Medical Entomology 37(5), 714-720, (1 September 2000). https://doi.org/10.1603/0022-2585-37.5.714
Received: 21 July 1999; Accepted: 1 May 2000; Published: 1 September 2000
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