Metriocnemus van der Wulp: a new species and a revision of species described by Meigen, Zetterstedt, Stæger, Holmgren, Lundström and Strenzke (Diptera: Chironomidae)

in Insect Systematics & Evolution
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Abstract

The congenerity of Dolichopelma Lundström, 1915 and Chasmatocladius Kieffer, 1911 with Metriocnemus v.d. Wulp, 1874 is confirmed. Types from the Meigen Collection in Paris, the Holmgren Collection in Stockholm, the Zetterstedt Collection in Lund, the Stæger Collection in Copenhagen, and the Thienemann Collection in Munich have been examined. M. albolineatus (Meigen, 1818) is a senior synonym of M. atratulus (Zetterstedt, 1850) and probably of M. hirticollis (Stæger, 1839); M. obscuripes (Holmgren, 1869) a senior synonym of M. eurynotus (Holmgren, 1883), M. transgressus (Holmgren, 1883), M. ripicola (Holmgren, 1883), and M. hygropetricus Kieffer, 1912. M. brevinervis (Holmgren, 1869) is a senior synonym of Paraphaenocladius despectus (Kieffer, 1926). M. atratulus subsp. corticalis Strenzke, 1950a is raised to the species level. M. atriclava sensu Edwards 1929 is probably not identical to M. atriclava Kieffer, 1921. A diagnosis for the genus is given. M. brusti sp.n. is described as male imago, female and pupa, and a possible variety of M. obscuripes as female imago, pupa and larva. M. obscuripes and M. ursinus (Holmgren, 1869) are redescribed in all stages and both sexes; M. albolineatus and M. fuscipes (Meigen, 1818) as male imago, pupa and larva; M. hirticollis as female imago; M. corticalis as male imago and pupa; and M. longipennis (Holmgren, 1883) and M. atriclava sensu Edwards as male imago. The importance of including extensive morphometric descriptions when doing revisionary studies is shown.

Insect Systematics & Evolution

An International Journal of Systematic Entomology

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