Cheilotrichia (Empeda) umiat (Diptera: Limoniidae), a new species for Russia and the Palaearctic region, with notes on Ch. (E.) areolata

V.E. Pilipenko & A.A. Przhiboro

Abstract. Cheilotrichia (Empeda) umiat (Alexander, 1955) (Diptera: Limoniidae), previously known only from the holotype collected in Alaska, has been found on the Putorana Plateau in the north of East Siberia. The species is recorded for the first time from Russia and the Palaearctic region. On the Putorana Plateau, the species was collected in stony river valleys at altitudes of 200–300 m. An illustrated redescription of the male and a description of the female of Ch. (E.) umiat is provided. Cheilotrichia (E.) areolata (Lundström, 1912) has also been collected in the Putorana Plateau and recorded for the first time from Siberia. Its diagnosis and illustrations are provided; the distribution in the Palaearctic and the habitats in the Putorana region are briefly discussed.

Key words: Russia, Palaearctic, Putorana Plateau, distribution, habitat, redescription, Limoniidae, new records

Zoosystematica Rossica, 2024, 33(1): 75–84 ▪ Published online 26 May 2024

https://doi.org/10.31610/zsr/2024.33.1.75 ▪ Open full article

Electronic supplementary materials

Electronic supplementary material 1

Fig. 6. Sampling habitats of Cheilotrichia (Empeda) umiat (Alexander, 1955) in the Putorana region. A, stony bank of river in NE environs of Lake Sobach’e, 1–2 km NNE of “Lake Sobach’e” field base, 24.VII.2021; B, stony streambed of stream falling into Lake Nakomyaken ca. 3 km of its SW end, 2–2.5 km above mouth, 6.VIII.2021 (photos by A. Przhiboro). File format: JPEG.

Electronic supplementary material 2

Fig. 7. Sampling habitats of Cheilotrichia (Empeda) areolata (Lundström, 1912) in the Putorana region. A, mire at right bank of River Ayan 500 m N of “Northern Ayan” field base, 30.VI.2019; B, forestless cotton grass and sedge bog, 0.5–1 km of River Kapchug near its mouth at SE end of Lake Ayan, 3.VII.2019 (photos by A. Przhiboro). File format: JPEG.

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