Relative abundance and flight activity of three cotton leaf worm moths, Spodoptera littoralis BIOSD. , Spodoptera exigua HB. and Spodoptera latebrosa LED. and their predators using a light trap at Mansoura district [electronic resource].

Includes reference.

The population fluctuations and effect of certain weather factors on the flight activity of three leaf worms moths, Spodoptera Iittoralis Boisd. ; Spodoptera exigua Hb. and Spodoptera latebrosa Led. and their predators were studied by a light trap at Mansoura district. The obtained data showed that the peaks of S. littoralis according to biweekly catch occurred in the fourth week of April; the first week of June; the first week of July; the end of July; the second week of September; the end of October and the third week of November; represinting seven peaks of moths per year during the two years of study. The results showed that, S. exigua moths had live peaks per year during the two years of study.

Summary in arabic.

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