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Key to species of Afrotropical Xyalophora (Figitidae)

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera;  Superfamily: Cynipoidea; Family: Figitidae; Subfamily: Figitinae)

ClassificationCynipoidea keys

   


1. Forewings infuscate over area surrounding venation (a). Marginal cell 1.55X as long as wide (a), venation thick with a very thin marginal vein (a); radial vein meeting wing margin at almost 90 degrees (a). Scutellar spine long, 0.8X length of the scutellum (excluding spine) (b). Notauli narrow (maximum width 0.35X the minimum distance separating notauli towards posterior mesoscutal margin) (b). Head subquadrate, 1.1X wider than long. First tergite (petiole) long (0.6X as long as high in lateral view; twice as long as nucha in dorsal view) (b) Xyalophora tedjoansi

 

Forewings hyaline (A). Marginal cell 2-2.5X as long as wide (A), venation thinner with less contrast in thickness with marginal vein (A); radial vein meets wing margin at acute angle (A). Scutellar spine shorter, 0.5X the length of the scutellum (excluding spine) (B). Notauli widened posteriorly (maximum width 0.7-0.8X the minimum distance separating notauli towards posterior mesoscutal margin) (B). Head distinctly (1.25X) wider than long. First tergite short (0.2 - 0.25X as long as high in lateral view; either a third of nucha length (B) or equivalent in length to nucha in dorsal view) ...2

 


2. Marginal cell 2.5X as long as wide (a). Nucha short, equivalent in length to first tergite (b). First tergite 0.25X as long as high in lateral view (B). Second flagellar segment longer than first. Median mesoscutal impression small (c) Xyalophora provancheri

 

Marginal cell twice as long as wide (A). Nucha long, 3X first tergite length (B). First tergite 0.2X as long as high in lateral view. Second flagellar segment as long as first. Median mesoscutal impression large, distinct (C) ...Xyalophora tintini

 


References

van Noort, S, Buffington ML & Forshage, M. 2015. Afrotropical Cynipoidea (Hymenoptera). ZooKeys 493: 1-176. doi: 10.3897/zookeys.493.6353

van Noort, S, Buffington ML & Forshage, M. 2014. Review of Afrotropical Figitinae (Figitidae, Cynipoidea, Hymenoptera) with the first records of Neralsia and Lonchidia for the region. ZooKeys 453: 3769. http://dx.doi.org/10.3897/zookeys.453.8511

Credits

Photographs Simon van Noort (Iziko Museums of South Africa) or Matt Buffington (Systematic Entomology Laboratory, USDA/ARS).


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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