HomeWasp classificationExpeditionsLinksFigWebBiodiversity ExplorerPermits

Key to genera and species of world Pycnostigminae

 

(Life: Kingdom: Metazoa (animals); Phylum: Arthropoda; Class: Hexapoda; Order: Hymenoptera;  Superfamily: Cynipoidea; Family: FigitidaeSubfamily: Pycnostigminae)

 

ClassificationIdentification keys


1.

Notaulices complete from anterior margin of mesoscutum (at junction with pronotum) to posterior margin (at junction with scutellum); parascutal impression present; female with more than 10 flagellomeres ...2

-

Notaulices incomplete, not reaching the pronotum, but present midway across mesoscutum and continuing to junction with scutellum; parascutal impression absent; female with 10 flagellomeres ...Tylosema 7 (One species in Algeria, two species in South Africa).


 

2.

Scutellum in lateral view evenly rounded ...Pycnostigmus 3 (Five species in South Africa).

 

-

Scutellum in lateral view with a distinct angle, resulting in a postero-dorsal flattened area ...Trjapitziniola 9 (One species from Armenia; one species from United Arab Emirates).


 

3.

Head, mesosoma and coxae metallic green-gold ...Pycnostigmus mastersonae

 

-

Head, mesosoma and coxae non-metallic ...4


 

4.

Pronotum foveolate and rugulose ...Pycnostigmus rostratus

 

-

Pronotum weakly to strongly carinate, not foveolate ...5


 

5.

Disk of scutellum smooth and polished in center ... Pycnostigmus fossilensis

 

-

Disk of scutellum partially to entirely rugose ...6


6.

Mesopleuron with numerous strigae; pronotum strongly carinate; disk of scutellum variously carinate posteriorly ...Pycnostigmus hoerikwaggoensis

-

Mesopleuron smooth with few strigae; pronotum smooth with a few weak carinae; disk of scutellum with a single dominant carina present around the perimeter of the disk ...Pycnostigmus incognito


 

 

7.

Disk of scutellum entirely smooth; posterior margin of scutellum lacking a distinct carina ...Tylosema dayae

 

 

-

Disk of scutellum smooth in center, rugose on lateral and posterior edges; posterior margin of disk of scutellum with a distinct carina ...8


 

8.

Lateral aspect of pronotum smooth; mesoscutum smooth and lacking setae ...Tylosema ronquisti

-

Lateral aspect of pronotum rugulose/areolate; mesoscutum distinctly shagreen with scattered setae ...Tylosema nigerrimum


 

Trjapitziniola_popovi_mesosoma_lateral

(click on image for enlargement)

 

9.

Mesopleuron striate anteriorly, gradually becoming smooth posteriorly (arrow 1); ventral portion of metapleuron crenulate (arrow 2); ventro-posterior aspects of propodeum glabrous (arrow 3) ...Trjapitziniola popovi

Trjapitziniola_vanharteni_mesosoma_lateral 

(click on image for enlargement)

 

-

Mesopleuron entirely striate (arrow 1); ventral portion of metapleuron smooth (arrow 2); ventro-posterior aspects of propodeum setose (arrow 3) ...Trjapitziniola vanharteni


References

Buffington, M.L. & van Noort, S. 2007. A world revision of Pycnostigminae (Cynipoidea: Figitidae) with descriptions of seven new species. Zootaxa 1392: 1-30.

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

Credits

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

Matt Buffington (Systematic Entomology Laboratory, USDA/ARS) and Mattias Forshage (Swedish Museum of Natural History) both played an integral role in the development of the Cynipoidea pages.


Web author Simon van Noort (Iziko South African Museum)

 

Citation: van Noort, S. 2018. WaspWeb: Hymenoptera of the Afrotropical region. URL: www.waspweb.org (accessed on <day/month/year>).

Copyright 2004-2018 Iziko Museums of South Africa

customisable counter