Abstract
Two new species of Dzhanokmenia Kostjukov (Hymenoptera: Eulophidae: Tetrastichinae), D. stefaniolae Li, Wang & Hu, sp. nov. and D. yuxuannis Li, Wang & Hu, sp. nov., are described and illustrated from Xinjiang Uyghur Autonomous Region, China. D. stefaniolae was reared from stem-galls made by Stefaniola sp. (Diptera: Cecidomyiidae) on black saxaul, Haloxylon ammodendron (Chenopodiaceae); D. yuxuannis was collected by sweeping from both black saxaul and white saxaul, H. persicum, in Beishawo Desert near Fukang. A key to females of all known species of Dzhanokmenia is provided.
Highlights
Tetrastichinae is the largest subfamily of Eulophidae (Hymenoptera: Chalcidoidea)
All specimens of one of the new species of Dzhanokmenia were reared from stem-galls made by Stefaniola sp. (Diptera: Cecidomyiidae) on H. ammodendron, which is the first host record for the genus
Specimens of the other new species were collected by sweeping on both Haloxylon ammodendron and H. persicum
Summary
Tetrastichinae is the largest subfamily of Eulophidae (Hymenoptera: Chalcidoidea) At present, this subfamily includes about 1900 species in more than 100 genera throughout the world (Noyes 2020). Qin Li et al / ZooKeys 1009: 67–79 (2021). Graham (1991) revised the European Tetrastichinae, recognizing 28 valid genera including Dzhanokmenia, which he upgraded to genus level. The reasons why it was given a generic rank were discussed in Li et al (2016). 13 valid species of Dzhanokmenia have been described from arid and semi-arid areas of southern Russia and Central Asia; their hosts remained unknown
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