Description of the larva of Oecetis mizrain Malicky &amp;amp; Graf, 2012 (Trichoptera, Leptoceridae) and Lepidostoma scotti (Ulmer, 1930) (Trichoptera, Lepidostomatidae) from Chilimo Forest, Central Ethiopia

Terefe, Yonas; Vitecek, Simon; Graf, Wolfram

doi:10.3897/zookeys.762.24544

2018

DOI: 10.3897/zookeys.762.24544

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Description of the larva of Oecetis mizrain Malicky & Graf, 2012 (Trichoptera, Leptoceridae) and Lepidostoma scotti (Ulmer, 1930) (Trichoptera, Lepidostomatidae) from Chilimo Forest, Central Ethiopia

Yonas Terefe¹,

Simon Vitecek²,

Wolfram Graf³

Abstract: The Ethiopian caddisfly fauna comprises 85 species, including 10Oecetisspecies and threeLepidostomaspecies. In this context we provide the first species-level descriptions of Ethiopian caddisfly larvae. We describe and illustrate the larvae ofO.mizrainandL.scotti, with additional notes on their habitats and distribution.

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Longitudinal river zonation in the tropics: examples of fish and caddisflies from the endorheic Awash River, Ethiopia

et al. 2020

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Specific concepts of fluvial ecology are well studied in riverine ecosystems of the temperate zone but poorly investigated in the Afrotropical region. Hence, we examined the longitudinal zonation of fish and adult caddisfly (Trichoptera) assemblages in the endorheic Awash River (1,250 km in length), Ethiopia. We expected that species assemblages are structured along environmental gradients, reflecting the pattern of large-scale freshwater ecoregions. We applied multivariate statistical methods to test for differences in spatial species assemblage structure and identified characteristic taxa of the observed biocoenoses by indicator species analyses. Fish and caddisfly assemblages were clustered into highland and lowland communities, following the freshwater ecoregions, but separated by an ecotone with highest biodiversity. Moreover, the caddisfly results suggest separating the heterogeneous highlands into a forested and a deforested zone. Surprisingly, the Awash drainage is rather species-poor: only 11 fish (1 endemic, 2 introduced) and 28 caddisfly species (8 new records for Ethiopia) were recorded from the mainstem and its major tributaries. Nevertheless, specialized species characterize the highland forests, whereas the lowlands primarily host geographically widely distributed species. This study showed that a combined approach of fish and caddisflies is a suitable method for assessing regional characteristics of fluvial ecosystems in the tropics.

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Longitudinal river zonation in the tropics: examples of fish and caddisflies from the endorheic Awash River, Ethiopia

et al. 2020

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Description of the larva of Oecetis mizrain Malicky & Graf, 2012 (Trichoptera, Leptoceridae) and Lepidostoma scotti (Ulmer, 1930) (Trichoptera, Lepidostomatidae) from Chilimo Forest, Central Ethiopia

Cited by 1 publication

References 24 publications

Longitudinal river zonation in the tropics: examples of fish and caddisflies from the endorheic Awash River, Ethiopia

Longitudinal river zonation in the tropics: examples of fish and caddisflies from the endorheic Awash River, Ethiopia

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