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Abstract


The studies on. population density of months, seasons, habitats and species about Korean cockroaches have been investigated in Gwangju areas during May to October, 1981.
According to the results, these were concluded as followings.
1. Blattela germanica was the dominant species and Periplaneta americana the next.
2. Population density of months was 63.58% of total at August and September.
3. Population density seasons increased gradually from spring to peak at late summer or early fall and declined.
4. The habitat density of cockroaches at kitchen was higher than any other in house.

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