A taxonomic revision of the genusStempellinella(Diptera: Chironomidae)

Abstract

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A review of the genus Zavrelia (Diptera: Chironomidae)

“…Also, it must be added that some of the species descriptions above are based on few specimens and that larger ranges of intraspecific variation probably will be detected if more material becomes available. Partial COI sequences (so called DNA barcodes) have proven useful for species identification and delimitation of related genera (Ekrem, 2007). Unfortunately, in this study only material of Z. pentatoma was found suitable for molecular analyses.…”

“…One of these, Zavrelia kibunensis Tokunaga, 1938, was transferred to the genus Neozavrelia (Ekrem, 2006), and Zavrelia atrofasciata is below regarded as a junior synonym of Z. pentatoma. In addition, Zavrelia inopinata Botnariuc & Cindea-Cure, 1954, listed as doubtful species in the Palaearctic catalogue, is regarded as a junior synonym of Stempellinella ciliaris Goetghebuer, 1944by Ekrem (2007. At least one Zavrelia species was recognised previously in the Nearctic, but none have been described formally and named from this region yet (Epler, 2001;Oliver et al, 1990).…”

“…Morphologically, the genus is similar to its presumed sister genus Stempellinella, particularly in the immature stages. Some characters in particular seem to be useful for separating the two genera (see Ekrem, 2007, Table II, p. 1374, although examination of more associated Zavrelia pupae has revealed that not all species have shagreen on pleura II and that it is not necessarily arranged in distinct rows (this character was erroneously listed under Stempellinella by Ekrem, 2007). Preliminary phylogenetic analyses based on two nuclear and three mitochondrial markers indicate that the two genera are indeed separate monophyletic groups and thus should be maintained as entities at the same taxonomic level (Ekrem, in prep.…”

New Records of Chironomidae (Diptera) From Continental France

“…The identification of slide mounted specimens was aided by recent taxonomic revisions and keys to adults or pupal exuviae (Reiss and Säwedal 1981;Tuiskunen 1986;Serra-Tosio 1989;Saether 1990;Soponis 1990;Langton 1991;Saether and Wang 1995;Kyerematen and Saether 2000;Michiels and Spies 2002;Vårdal et al 2002;Langton and Visser 2003;Saether and Spies 2004;Stur and Ekrem 2006;Ekrem 2006;Ekrem 2007) as well as of recent general recommendations on taxonomy and nomenclature (Saether and Ferrington 2003;Spies and Saether 2004). Previous geographical distribution of the species was based on the last version of the Chironomidae data in Fauna Europaea , on the latest unpublished data for Fauna Europaea (Saether and Spies pers comm.…”

“…Material collected by me in the French Eastern Pyrenees was included in a recently published revision on Stempellinella (Ekrem 2007). Large populations of S. reissi have been captured from middle and high altitude springs and streams located in Eastern Pyrenees (8a) and Central France (region 4b).…”