Two new species of aphid parasitoids (Hymenoptera, Braconidae, Aphidiinae) from the high arctic (Spitsbergen, Svalbard)

International audience The high arctic Svalbard archipelago is characterized by a low insect species richness explained by both extreme living conditions and insularity. Here, we described two new species of Hymenopteran parasitoids found in Spitsbergen, the main island of Svalbard, using aphids as...

Full description

Bibliographic Details
Published in:Zoologischer Anzeiger - A Journal of Comparative Zoology
Main Authors: Chaubet, Bernard, Derocles, Stephane A. P., Hullé, Maurice, Le Ralec, Anne, Outreman, Yannick, Simon, Jean-Christophe, Tomanovic, Zeljko
Other Authors: Institut de Génétique, Environnement et Protection des Plantes (IGEPP), Institut National de la Recherche Agronomique (INRA)-Université de Rennes 1 (UR1)-AGROCAMPUS OUEST, Fac Biol, University of Belgrade Belgrade, French Polar Institute (Institut Paul Emile Victor) 426, Serbian Ministry of Education and Science III43001
Format: Article in Journal/Newspaper
Language:English
Published: HAL CCSD 2013
Subjects:
SP-N
EUROPE
INVERTEBRATES
GENE
LIFE-CYCLE
ACYRTHOSIPHON-SVALBARDICUM
Spitsbergen
New species
Aphid parasitoids
Insect biodiversity
Arctic environments
[SDV]Life Sciences [q-bio]
Arctic
Main Island
Svalbard
Svalbard Archipelago
Online Access:https://hal.science/hal-01208642
https://doi.org/10.1016/j.jcz.2012.03.001
Description
Summary:International audience The high arctic Svalbard archipelago is characterized by a low insect species richness explained by both extreme living conditions and insularity. Here, we described two new species of Hymenopteran parasitoids found in Spitsbergen, the main island of Svalbard, using aphids as hosts. We named the first one Diaeretellus svalbardicum (Hymenoptera: Braconidae) because of morphological similarities with other European members of the Diaeretellus genus. D. svalbardicum parasitizes exclusively the aphid Acyrthosiphon svalbardicum, a species endemic to Svalbard. We also reported in D. svalbardicum a unique case of wing polymorphism with macropterous and micropterous forms in both genders. We named the second newly described parasitoid species Aphidius leclanti because of morphological similarities with other members of the Aphidius genus. Contrarily to D. svalbardicum, A. leclanti exploits the only two aphid species regularly found in Spitsbergen, A. svalbardicum and Sitobion calvulum. (C) 2012 Elsevier GmbH. All rights reserved.

Similar Items