Species Composition and Diurnal Activity Rhythm of Tabanids (Diptera: Tabanidae) at the Ivindo National Park and Its Environs

Asian Journal of Research in Zoology Pub Date : 2019-06-20 DOI:10.9734/AJRIZ/2019/V2I230062

Affiri Odzame Joseph-Marie, S. Lendzele, Z. C. Roland, M. Franck, K. A. Aubin, R. Mintsa, Acapovi-Yao Genevieve Lydie, M. Bertrand, J. Mavoungou

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Abstract

An entomological prospection to show the species composition and diurnal activity of tabanids was carried out using 15 Vavoua traps, during the rainy season (25th Sept-5th Oct and 21st Oct-9th Nov 2018), in the secondary forest [Ivindo National Park (INP)] and Village-Town sites in and around the biosphere reserve Ipassa-IRET Makokou in Gabon. In total, 839 tabanids were caught with 747 recorded at INP and regrouped under 11 species of the genus Tabanus [T. taeniola (57.76%), T. ricardae (26.32%), T. par (5.54%), T. ruficrus (3.74%), T. socius (3.74%), T. disjunctus (2.49%), T. marmorosus (0.28%) and T. obscurehirtus (0.14%)]. However, two species of the genus Chrysops [C. dimidiatus (70.83%) and C. silaceus (29.17%)] and one species of the genus Haematopota [H. pluvialis (100%)] were only identified at INP. While in the Village-Town sites, 92 tabanids were caught and regrouped under five species of the genus Tabanus [T. ruficrus (14.13%), T. taeniola (9.78%), T. ricardae (73.91%), T. par (1.09%), and T. marmorosus (1.09%)]. Tabanids were more abundant in the forest (7.12 tabanid/trap/day) as compared to the Village-Town (0.77 t/t/d) with a statistically significant difference (P<0.05). At INP, tabanids showed a unimodal activity pattern with peak attained between 12-14H and in the anthropized milieu (14-16H) and dominated by females.

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伊文多国家公园及其周边地区虻类(双翅目:虻科)的种类组成及日活动节律

雨季期间（2018年9月25日至10月5日和10月21日至11月9日），在加蓬伊帕萨-IRET Makokou生物圈保护区内及周边的次生林[伊文多国家公园（INP）]和村镇地点，使用15个瓦武阿诱捕器进行了昆虫学调查，以显示塔班虫的物种组成和昼夜活动。总共捕获了 839 种 Tabanids，其中在 INP 记录了 747 种，并重新归类为 Tabanus 属的 11 个物种 [T. taeniola (57.76%), T. ricardae (26.32%)] 。ricardae（26.32%）、T. par（5.54%）、T. ruficrus（3.74%）、T. socius（3.74%）、T. disjunctus（2.49%）、T. marmorosus（0.28%）和 T. obscurehirtus（0.14%）]。然而，仅在国际油站发现了两个 Chrysops 属物种[C. dimidiatus（70.83%）和 C. silaceus（29.17%）]和一个 Haematopota 属物种[H. pluvialis（100%）]。而在村镇地点，共捕获了 92 条 Tabanids，并重新归类为 Tabanus 属的 5 个物种[T. ruficrus (14.13%)、T. taeniola (9.78%)、T. ricardae (73.91%)、T. par (1.09%) 和 T. marmorosus (1.09%)]。与村镇（0.77 t/t/d）相比，森林（7.12 tabanid/诱捕器/天）中的 tabanid 数量更多，差异有统计学意义（P<0.05）。在 INP，塔巴尼虫的活动呈单峰模式，在 12-14H 之间达到高峰，在人类环境中（14-16H）则以雌性为主。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Asian Journal of Research in Zoology

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