Trichogramma

Female Trichogramma platneri ovipositing on egg of Trichoplusia ni, photographed by Max E. Badgley.


Belongs within: Trichogrammatidae.

Trichogramma is a genus of minute egg parasitoid wasps.

Characters (from Girault 1918): Female antenna six-segmented; funicle two-segmented, shorter than pedicel; clava solid, without terminal nipple. Male antenna four-segmented, with long and nodular single-segmented clava, clothed with long hairs. Forewings with discal cilia all in straight lines; marginal vein short, more or less equal to stigmal and slightly curved; stigmal vein long with a slender neck; distal venation more or less bowed. Abdomen more or less pointed.

Trichogramma Westwood 1833 GM79
    |  i. s.: T. australicum Girault 1912 GM79
    |         T. brevicornis GJR97
    |         T. cacoeciae A71
    |         T. cordubensis GJR97
    |         T. deion GJR97
    |         T. euproctidis (Girault 1911) GM79
    |         T. fasciatum Perkins 1912 GM79
    |         T. minutum Riley 1871 GM79 (see below for synonymy)
    |         T. retorridum (Girault 1911) GM79
    |         T. semblidis (Aurivillius 1897) GM79
    |         T. (Trichogrammatana Girault 1932) G32
    |           `--T. (*T.) singularis Girault 1932 G32
    |--T. parkeri MH11
    `--+--T. evanescens MH11
       `--+--T. platneri MH11
          `--T. pretiosum MH11

Trichogramma minutum Riley 1871 GM79 [incl. T. helocharae Perkins 1907 G18, GM79, T. perkinsi Girault 1912 G18, GM79]

*Type species of generic name indicated

REFERENCES

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

[GJR97] Giordano, R., J. J. Jackson & H. M. Robertson. 1997. The role of Wolbachia bacteria in reproductive incompatibilities and hybrid zones of Diabrotica beetles and Gryllus crickets. Proceedings of the National Academy of Sciences of the USA 94: 11439-11444.

[G18] Girault, A. A. 1918. North American Hymenoptera Trichogrammatidae. 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: 142-152).

[G32] Girault, A. A. 1932. New lower Hymenoptera from Australia and India. 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: 293-298).

[GM79] 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: 1-400.

[MH11] Munro, J. B., J. M. Heraty, R. A. Burks, D. Hawks, J. Mottern, A. Cruaud, J.-Y. Rasplus & P. Jansta. 2011. A molecular phylogeny of the Chalcidoidea (Hymenoptera). PLoS One 6 (11): e27023.

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