Male Oligotrophus betheli, from Simova-Tošić et al. (2010).

Belongs within: Cecidomyiinae.

The Oligotrophini are a group of midges whose larvae cause galls or live freely in flower heads (Gagné 1981). Members include the Hessian fly Mayetiola destructor, a serious pest of wheat crops in many parts of the world.

Characters (from Gagné 1981): Antenna with 7–42 flagellomeres, usually irregular in number within species. Ocelli absent. Tarsal claws rounded at or beyond mid length, all either toothed or simple; empodia as long as or longer than claws. Male genitalia with gonocoxite with elongate mediobasal lobes sheathing aedeagus; mediobasal lobes entire, uniformly setulose or glabrous; gonostylus terminal. Female cerci usually fused medially into a single terminal lamella.

<==Oligotrophini G81
    |--Mayetiola destructor G81, CM91
    |--Procystiphora G81
    |--Rhabdophaga G81
    |--Lygocecis G81
    |--Sackenomyia G81
    |--Ficiomyia G81
    |--Walshomyia G81
    |--Rhopalomyia californica G81, B88
    |--Diarthronomyia hypogaea G81, G17
    |--Iteomyia salicifolia G81
    |--Oligotrophus Latreille 1805 S-TG10
    |    |--O. betheli [incl. O. apicis Appleby & Neiswander 1965, Phytophaga sabinae Felt 1935] S-TG10
    |    |--O. juniperinus S-TG10
    |    |--O. panteli S-TG10
    |    |--O. schmidti S-TG10
    |    `--O. szepligetii S-TG10
    |--Semudobia G81
    |--Cystiphora G81
    |    |--C. canadensis G81
    |    `--C. schmidti CM91
    `--Dasineura G81
         |--D. canadensis G81
         |--D. corollae GJ09
         |--D. gleditchiae GJ09
         |--D. oxycoccana G96
         `--D. praecox Gagné 1996 G96

*Type species of generic name indicated


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

[CM91] Colless, D. H., & D. K. McAlpine. 1991. Diptera (flies). In: CSIRO. The Insects of Australia: A textbook for students and research workers 2nd ed. vol. 2 pp. 717–786. Melbourne University Press: Carlton (Victoria).

[G81] Gagné, R. J. 1981. Cecidomyiidae. In: McAlpine, J. F., B. V. Peterson, G. E. Shewell, H. J. Teskey, J. R. Vockeroth & D. S. Wood (eds) Manual of Nearctic Diptera vol. 1 pp. 257–292. Research Branch, Agriculture Canada.

[G96] Gagné, R. J. 1996. A new species of Dasineura (Diptera: Cecidomyiidae) infesting pinxterbloom azalea flowers in Maryland and Washington, D.C. Proceedings of the Entomological Society of Washington 98 (2): 228–232.

[GJ09] Gagné, R. J., & M. Jaschhof. 2009. Cecidomyiidae (gall midges). In: Brown, B. V., A. Borkent, J. M. Cumming, D. M. Wood, N. E. Woodley & M. A. Zumbado (eds) Manual of Central American Diptera vol. 1 pp. 293–314. NRC Research Press: Ottawa.

[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).

[S-TG10] Simova-Tošić, D., D. Graora, R. Spasić & D. Smiljanić. 2010. Oligotrophus betheli Felt (Diptera: Cecidomyiidae), a new species in the fauna of Europe. Arch. Biol. Sci. 62 (4): 1219–1221.

Last updated: 31 January 2021.

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