论文部分内容阅读
本文报道海口港区九个不同单位蜚蠊的初步调查,港区蜚蠊经鉴定有七种。美洲大蠊不仅是港区室内的优势种,而且是本港小型船舶上的优势种:以船舶蜚蠊密度最高,黑胸大蠊和德国小蠊只有在船舶上捕获:调查发现若虫多于成虫,雌虫多于雄虫。
This article reports the preliminary investigation of cockroaches in nine different units in Haikou Harbor. There are seven species of cockroaches identified in Minato District. Periplaneta americana is not only the dominant species in the harbor but also the dominant species in small ships in Hong Kong. The cockroach is the most densely populated cockroach in the world. Cockroach and German cockroach are only caught on ships. It is found that nymphs have more nymphs than adults, More females than males.