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  • Title: Diel oviposition patterns of Aedes albopictus (Skuse) and Aedes triseriatus (Say) in the laboratory and the field.
    Author: Trexler JD, Apperson CS, Schal C.
    Journal: J Vector Ecol; 1997 Jun; 22(1):64-70. PubMed ID: 9221740.
    Abstract:
    The oviposition patterns of Aedes albopictus and Aedes triseriatus were observed in preliminary field experiments during the summer of 1995 and in the laboratory the following winter. Aedes albopictus exhibited a diel periodicity of oviposition in the field, ovipositing a significantly greater number of eggs during the day than during the night (P = 0.0001). Laboratory observations for 40 consecutive hours indicated that Ae. albopictus oviposited only during the hours of light, with a broad peak of oviposition activity occurring in mid-afternoon. Aedes triseriatus, however, oviposited during all periods of the day and night in the field. A significantly greater number of eggs were oviposited in traps open 24 hours than in traps open only during the day (P = 0.01), whereas there was no significant difference in the number of eggs deposited in traps open 24 hours and those open only during the night (P = 0.14). In the laboratory, Ae. triseriatus oviposited during all periods of light and dark, with a distinct peak of oviposition activity occurring during the evening crepuscular period.
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