Female Mesopolobus tibialis, photographed by Robin Williams.

Belongs within: Pteromalinae.

Mesopolobus is a diverse and cosmopolitan genus of wasps parasitising a variety of hosts, primarily gallmakers and other insect larvae developing within plants (Bouček 1988).

Characters (from Bouček 1988): Frons in female narrower than antenna less scapus, clava never acuminate; ocelli not unusually small; clypeal margin more or less emarginate; notaular grooves indistinct in posterior half or third, not coloured differently from adjacent reticulation; forewing with postmarginal vein much shorter than marginal; gaster ovate-lanceolate.

<==Mesopolobus Westwood 1833 (see below for synonymy) B88
    |--*M. fasciiventris B88
    |--M. diffinis [incl. M. fulvipes Walker 1834] B88
    |--M. dubius (Walker 1834) B88
    |--‘Hypopteromalus’ dubius Girault & Dodd in Girault 1915 non Mesopolobus dubius (Walker 1834) B88
    |--M. fuscipes A71
    |--M. hackeri (Dodd in Girault 1915) [=Uriellomyia hackeri] B88
    |--M. incultus (Walker 1834) [=Platyterma incultum] B88
    |--M. joulei (Girault 1924) [=*Anogmoidea joulei] B88
    |--M. jucundus A71
    |--‘Amblymerus’ justicia Girault 1917 G17
    |--M. nobilis (Walker 1834) [=Platyterma nobile] B88
    |--M. pallidicornis (Girault & Dodd in Girault 1915) (see below for synonymy) B88
    |--M. tibialis A71
    `--M. xanthocerus A71

Mesopolobus Westwood 1833 [incl. Ahlbergiella von Rosen 1955, Amblymerus Walker 1834, Anogmoidea Girault 1924, Asemantus Förster 1878, Baeoponerus Masi 1924, Disema Förster 1878, Disemisca Ghesquière 1946, Euamblymerus Hincks 1944, Eutelus Walker 1834, Paranogmus Girault & Dodd in Girault 1915, Platymesopus Westwood 1833, Platyterma Walker 1834, Sturovia Bouček 1961, Syntomocera Förster 1878, Syntomocerella Ghesquière 1946, Urielloides Girault 1913, Xenocrepis Förster 1856] B88

Mesopolobus pallidicornis (Girault & Dodd in Girault 1915) [=*Paranogmus pallidicornis; incl. *Urielloides fulvipes Girault 1913 non M. fulvipes Walker 1834, Isoplatoides fulvipes] B88

*Type species of generic name indicated


[A71] Askew, R. R. 1971. Parasitic Insects. Heinemann Educational Books: London.

[B88] Bouček, Z. 1988. Australasian Chalcidoidea (Hymenoptera): A biosystematic revision of genera of fourteen families, with a reclassification of species. CAB International: Wallingford (UK).

[G17] Girault, A. A. 1917. Descriptiones stellarum novarum. Privately published (reprinted Gordh, G., A. S. Menke, E. C. Dahms & J. C. Hall. 1979. The privately printed papers of A. A. Girault. Memoirs of the American Entomological Institute 28: 80-101).

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