Spiriverpa
Irwin & Lyneborg, 1981
Spiriverpa is a of (: : Therevinae) containing six recognized distributed across the Holarctic Region. The genus was established by Irwin and Lyneborg in 1981 and has undergone recent taxonomic revision to clarify species boundaries and synonymize several previously misplaced . Species within this genus are distinguished primarily by male .
Pronunciation
How to pronounce Spiriverpa: //ˌspɪrɪˈvɜːrpə//
These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.
Identification
Members of Spiriverpa can be distinguished from related therevid using characters of the male ; a to identification is available based on these structures. The genus includes six species: S. albiceps, S. argentata, S. bella, S. lunulata, S. senex, and S. sublunulata (the latter now synonymized under S. argentata).
Distribution
Holarctic Region, with records from northern Europe (Sweden, Norway), Russia, Japan, and North America (United States, specifically Vermont).
Similar Taxa
- TherevaSeveral Spiriverpa were originally described in Thereva and later transferred; Spiriverpa is distinguished by genitalic characters and phylogenetic relationships within the Therevinae.
More Details
Taxonomic History
Four have been synonymized under Spiriverpa in recent revisions: Thereva bella nigrimana Kröber under S. bella, Thereva candidata Loew under S. senex, Thereva cockerelli Cole under S. albiceps, and Spiriverpa sublunulata Zaitzev under S. argentata.