Taxonomic approach to the tachinid flies Dinera carinifrons (Fallén) (Diptera: Tachinidae) and Dinera fuscata Zhang and Shima using molecular and morphometric data.
2013
Molecular phylogenetic and traditional morphometric methods
were applied to examine six Palaearctic taxa of the
taxonomically difficult tachinid fly genus Dinera
Robineau-Desvoidy (Diptera: Tachinidae), with particular
reference to D. carinifrons (Fallen) and D. fuscata Zhang and
Shima. Results of a phylogenetic analysis based on the
mitochondrial markers 12S and 16S rDNA and multivariate
statistical analyses of 19 morphometric characters were used to
delimit both species. A lectotype was designated for D.
carinifrons to stabilize the nomenclature in the group. Dinera
carinifrons has a transpalaearctic distribution and is present
in Central Europe, especially in high altitudes of the Alps. It
differs from the similar and closely related D. fuscata in that
it has a slightly larger body size, a dense greyish
microtrichosity on the body, and different head proportions.
Dinera fuscata, as delimited here, is widespread in the
Palaearctic region, including Europe. Slight differences in
both molecular and morphometric characters were found between
western (Europe and Iran) and eastern (China and Japan)
populations of D. fuscata, which are interpreted as an
intraspecific variation. Differential diagnosis between D.
carinifrons and D. fuscata is provided in the form of a revised
portion of the determination key to the Palaearctic Dinera by
Zhang and Shima (2006). CETPO project CZ.1.07/2.3.00/20.0166
(partly).
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