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Volumosina, a new Nearctic genus for the rare old-growth forest fly Herniosina voluminosa Marshall (Diptera: Sphaeroceridae)

Published online by Cambridge University Press:  21 June 2017

Jindřich Roháček  and
Stephen A. Marshall
Jindřich Roháček*
Affiliation:
Slezské zemské muzeum (Silesian Museum), Nádražní okruh 31, CZ-746 01 Opava, Czech Republic
Stephen A. Marshall
Affiliation:
School of Environmental Sciences, University of Guelph, Guelph, Ontario, N1G 2W1, Canada
*
1Corresponding author (e-mail: rohacek@szm.cz)
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Abstract

Volumosinanew genus (Diptera: Sphaeroceridae: Limosininae) is described to accomodate the enigmatic Nearctic species Herniosina voluminosa Marshall, 1987 and its relationships are discussed. Based on morphological characters Volumosina is treated as part of the Limosina genus group along with Apteromyia Vimmer, 1929, Gigalimosina Roháček, 1983, Herniosina Roháček, 1983, and Limosina Macquart, 1835 but its position within the group remains unresolved. Volumosina voluminosa (Marshall, 1987) new combination is recorded from Canada and redescribed with new distributional and natural history data suggesting that it is an old-growth specialist associated with large woody debris. The gigantism of the male aedeagal complex of V. voluminosa is discussed.

Type
Systematics & Morphology
Information
The Canadian Entomologist , Volume 149 , Issue 4 , August 2017 , pp. 444 - 460
Copyright
© Entomological Society of Canada 2017 

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