New Records of Vertagopus sarekensis (Wahlgren, I906) from Northern Scandinavia (Collembola, Isotomidae)

in Insect Systematics & Evolution
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Abstract

Vertagopus sarekensis (Wahlgren) was found on dry localities in alpine region in Northern Norway and Swedish Lappland, where it ascends to the highest mountain tops (2000 m a.s.l.). It is separated from V. westerlundi (Reuter), besides in colour, by morphological details of antenna, number of ventral setae of thorax and abdomen, shape of mucro and general clothing. Adults in reproductive phase show a distinct sexual dimorphism: Abdominal macrochaetae of the male are much shorter and thicker than in the female, and setae of the characteristically swollen frons are thick and thorn-like. A lectotype of V. sarekensis is designated.

New Records of Vertagopus sarekensis (Wahlgren, I906) from Northern Scandinavia (Collembola, Isotomidae)

in Insect Systematics & Evolution

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