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Key to species of the Polynema dikobraz species-group

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera; Superfamily: Chalcidoidea; Family: Mymaridae; Genus: Polynema)

ClassificationIdentification keys


1. Fore wing with enlarged spine-like microtrichia on basal third of disc (A, B) (Polynema (Polynema) dikobraz species-group) ...2

 

- Fore wing disc with microtrichia normal, evenly sized across disc (a, b) ...all other Polynema species

 


2. Ovipositor extending forward underneath the body to in front of the head (A); modified fore wing disc microtrichia numerous and short (B) ... Polynema sagittaria van Noort & Triapitsyn

 

- Ovipositor normal, not extending forward underneath the body (a); modified fore wing disc microtrichia less numerous and longer (b) ...3

 


3. Longest modified wing spine marginally longer than wing width at point of spine attachment (A); mesosoma dark brown (A); first flagellar antennal segment equivalent to pedicel length (A, B)  ... Polynema dikobraz Triapitsyn

 

- Longest modified wing spine far longer than wing width at point of spine attachment (a); mesosoma mostly light brown with some dark brown areas (a); first flagellar antennal segment longer than pedicel length (a, b) ...Polynema species near P. dikobraz


References

van Noort S, Triapitsyn SV. 2018. Revision of the Polynema dikobraz species-group with description of a remarkable new species from South Africa (Hymenoptera, Chalcidoidea, Mymaridae). ZooKeys 783: 67-84. https://doi.org/10.3897/zookeys.783.26872

Credits

Keys developed by Simon van Noort and Serguei V. Triapitsyn. Photographs included in the keys İ Simon van Noort (Iziko Museums of South Africa) or İ Serguei V. Triapitsyn (Department of Entomology, University of California, Riverside).


Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2021. WaspWeb: Hymenoptera of the Afrotropical region. URL: www.waspweb.org (accessed on <day/month/year>).

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