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Issue: Vol. 4306 No. 1: 15 Aug. 2017
Type: Article
Published: 2017-08-15
DOI: 10.11646/zootaxa.4306.1.5
Page range: 91–107
Abstract views: 88
PDF downloaded: 1

Sycidiphaga, a new genus of Sycophaginae Walker, 1975 (Hymenoptera, Chalcidoidea, Agaonidae) associated with Ficus subgenus Sycidium in southern China

Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China University of Chinese Academy of Sciences,
INRA, UMR1062 CBGP, F-34988 Montferrier-sur-Lez, France
Natural History Division, Iziko South African Museum, P.O. Box 61, Cape Town, 8000, South Africa Department of Biological Sciences, University of Cape Town, Private Bag, Rondebosch, 7701, South Africa
Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China University of Chinese Academy of Sciences, Beijing, 100039, China Taiyuan University of Technology, Taiyuan, Shanxi, 030024, China
Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing 100101, China College of Life Sciences, Hebei University, Baoding, Hebei, 071002, China
Hymenoptera fig wasps non-pollinating taxonomy new genus new species

Abstract

A new genus of Sycophaginae (Hymenoptera: Agaonidae), Sycidiphaga Liu, Rasplus & Huang n. gen., is described with a single new species, S. cyrtophyllae Liu, Rasplus & Huang n. sp. This species was discovered in Yun Nan and Gui Zhou, China and is associated with Ficus cyrtophylla (Moraceae, Ficus, subgenus Sycidium). The new taxon is readily distinguished from other genera of Sycophaginae by: 1) the presence of a conspicuous interantennal blade-like projection that extends well above the level of the toruli; 2) an inflated parastigma surrounded by a slight infuscation of the wing membrane; 3) the presence of a long and conspicuous median sulcus on the male pronotum; and 4) the presence of dense and long pilosity on the wings. Illustrations and a diagnosis and description of Sycidiphaga are provided, as is a key to the world genera of Sycophaginae. The phylogenetic position of Sycidiphaga was demonstrated through sequencing four gene regions of COI, Cyt b, 28s D3-D5 and EF-1α genes and conducting a phylogenetic analysis of available sequences for the subfamily. Sycidiphaga cannot be placed with confidence within Sycophaginae but several discussed characters suggest a close relationship with Idarnes Walker and Sycophaga Westwood. Interactive Lucid identification keys are available online at www.figweb.org.

 

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