Population Ecology Of The American Cockroach, Periplaneta Americana (L.) And Its Potential Control Using Parasitoid Aprostocetus Hagenowii (Ratzeburg) (Hymenoptera: Eulophidae)

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dc.contributor.authorTee, Hui Siang
dc.date.accessioned2019-10-08T03:35:50Z
dc.date.available2019-10-08T03:35:50Z
dc.date.issued2011-03
dc.description.abstractThis thesis focuses on the population ecology of the American cockroach, Periplaneta americana (L.), in sewers. In addition, the potential of using an oothecal parasite, Aprostocetus hagenowii (Ratzeburg), in controlling American cockroaches was evaluated in the aspects of rearing improvement and biological control of the cockroaches. Population ecology of P. americana were studied in three sewers in the Minden Campus of Universiti Sains Malaysia, Penang from September 2008 to October 2009. Adults and nymphs were active throughout the study period based on an average monthly trap catch of 57–97 adults and 79–99 nymphs. The overall mean proportion of adults and nymphs at the three sewers was 0.47 and 0.53, respectively. The proportion of marked males and females did not differ significantly from the proportion of recaptured marked males and females. However, the mean number of times a female was recaptured was significantly greater than that of males. Recaptured marked females (24.7%) were recorded moved more between manholes compared to that of males (19.4%). Majority (90.4%) of the cockroach movement made between manholes was within the distance of 2–20 m; one male moved 192 m. Trap catches of cockroaches were positively correlated with daily mean temperature while cockroach movements was correlated with the mean daily minimum temperature.en_US
dc.identifier.urihttp://hdl.handle.net/123456789/8973
dc.language.isoenen_US
dc.publisherUniversiti Sains Malaysiaen_US
dc.subjectThe American Cockroach, Periplaneta Americana (L.)en_US
dc.subjectAprostocetus Hagenowii (Ratzeburg) (Hymenoptera: Eulophidae)en_US
dc.titlePopulation Ecology Of The American Cockroach, Periplaneta Americana (L.) And Its Potential Control Using Parasitoid Aprostocetus Hagenowii (Ratzeburg) (Hymenoptera: Eulophidae)en_US
dc.typeThesisen_US
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