a different developmental pattern of the seabird tick ...
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a different developmental pattern of the seabird tick ...
and Wright Skinks (Mabuya wrightii Bou1enger,. 1887). The latter skink species was reported to be a host for female A. foculosum by HOOGSTRALet aZ. (1976).
A DIFFERENT DEVELOPMENTAL PATTERN OF THE SEABIRD TICK AMBLYOMMA LOCULOSUM WHEN LIZARDS ARE PRESENT BY
AMBLYOMMA.LOCULOSUM CYCLE DE VIE OISEAUX MARINS INTERRELATIONS TAUX D' INFESTATION
SUMMARY:
The developmental
pattern
2001)
and life cycle of the tick Amblyomma
locu1oswn infesting seabirds and lizards on Aride Island, Seychelles are described. The activity of A. locu1oswl1 (from June to September) ,vas coincident with the breeding season of ground-nesting seabirds, particularly Sterna fuscata. Nymphs fed on incubating adults in Jun.e, adults mostly on Y0U11gchicks (July) and larvae on skinks (Mabuya sechel1ensis) and large chicks (September/ October). The distribution of adult ticks fitted an aggregated distribution. Duration of the life cycle is typically one year, and most ticks may survive nymphal diapause. Chicks are hosts for more than a tick stage in a season. If alternative hbsts to seabirds are absent, the tick developmental pattern is different: adult ticks feed on il1cubatingbirds, larvae on young chicks and nymphs on large chicks. Skinks are presumably more reliable hosts for larvae than chicks (which suffer frequent mass mortalities) but are of minor importance for nymphs and adult ticks.
RESUME: Le developpement
et Ie cycle de ·vie de Amblyomma locus1l111.parasite d'oiseaux marins et de Iezards sur Aride Island (Seychelles) sont decrits. L'activite de A. locusum Uuin-septembre) COIncide avec la periode de nidification de Stemafuscata. Les nymphes se nourrissent sur les adultes pendant la couvaison, les adultes sur les jeunes et les larves sur Mabuya sechellensis et les poussins ages. (septembre-octobre). Les tiques adultes ont une repartition en agregats. La longueur du cycle de vie est d'une annee et la majorite des nymphes survivent
