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Catch Composition of Tsetse Flies (Glossina: Glossinidae)

机译:采采蝇的捕获量(Glossina:Glossinidae)

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Problem statement: A study to determine the composition of tsetse flies species was conducted between January and December, 2007 in Kamuku National Park, Nigeria, using Biconical and Nitse traps. Tsetse flies were trapped along gallery forest in five streams for two trapping days and were collected daily. Approach: All tsetse flies caught were identified to species level, sexed, separated into teneral and non-teneral, hunger staged and Mean Hunger Stage computed. Fly density were calculated, the age structure examined using wing fray techniques for males and ovarian technique for females; the reproductive status of female flies were assessed. Two species of tsetse flies (Glossina palpalis palpalis robineau-desvoidy and Glossina tachinoides Westwood) were caught in total of five hundred and two (502) flies. Out of these, 309(61.6%) Glossina tachinoides and 193(38.4%) G. palpalis were caught. Male catches (309, 61.6%) were significantly (P < 0.05) higher than females (193, 38.4%) also, the teneral flies (289, 57.6%) were more than the non-teneral flies (213, 42.4%). The Mean Hunger Stage (MHS) of 3.6 obtained indicated a hungry fly population. Fly density was generally low (0.1 fly/trap/day) and varied between months with highest density (3flies/trap/day) occurring in February and lowest (0.2 fly/trap/day) in July. Results: The estimated mean age for males was 11 days and females were 8 days. The insemination rate of 93.8% generally was high, G. tachinoides recorded 95.5% more than G. palpalis of 91.6%. Whereas parity rate (25.8%) was low; G. palpalis was 37.4% while G. tachinoides parity rate is 17.2%. Conclusion: The study shows that two species of tsetse flies abound in the park although at low densities their presence may bear semblance to Trypanosomiasis and its impact to ecotourism.
机译:问题陈述:2007年1月至12月,在尼日利亚卡穆库国家公园进行了一项确定采采蝇蝇种组成的研究,使用的是Biconical和Nitse诱集器。采采蝇在五个小溪中沿廊林被诱捕两天,每天收集一次。方法:对所有捕获的采采蝇进行鉴定,确定其物种水平,性别,分为ten性和非-性,饥饿阶段和计算平均饥饿阶段。计算果蝇密度,使用雄性飞翅技术和女性使用卵巢技术检查年龄结构;评估雌蝇的生殖状况。总共捕获了五百零二(502)只苍蝇的两种采采蝇(Glossina palpalis palpalis robineau-desvoidy和Glossina tachinoides Westwood)。其中,有309(61.6%)个山楂Glossina tachinoides和193个(38.4%)G. palpalis被捕获。男性捕获量(309,61.6%)显着(P <0.05)高于女性(193,38.4%),also蝇(289,57.6%)也高于非lies蝇(213,42.4%)。获得的3.6的平均饥饿阶段(MHS)表明饥饿的苍蝇种群。蝇的密度通常较低(0.1蝇/诱捕器/天),并且在月份之间变化,最高密度(3蝇/诱捕器/天)发生在2月,最低的是(0.2蝇/诱捕器/天)7月。结果:估计的男性平均年龄为11天,女性为8天。授精率普遍较高,为93.8%,,子G.记录的比G骨的91.6%多95.5%。而平价率(25.8%)较低; G. palpalis为37.4%,而G. tachinoides均价为17.2%。结论:该研究表明,虽然公园里有两种采采蝇,但密度低,它们的存在可能与锥虫病有相似之处,并且对生态旅游也有影响。

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