Synopsis of the European species of Sphegina Meigen (Diptera: Syrphidae)

By Thompson F. Christian  

Insect Systematics & Evolution, Vol. 17, Iss. 2, 1986-01 ,pp. : 235-269

Brill

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A NEW GENUS AND NEW SPECIES OF SYRPHIDAE (DIPTERA) FROM ECUADOR

By FLUKE C. L.  

Annals of the Entomological Society of America, Vol. 36, Iss. 3, 1943-09 ,pp. : 425-431

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A new species of Bioblapsis (Hymenoptera: Ichneumonidae) from Scotland parasitising a mycophagous hoverfly, Cheilosia longula (Diptera: Syrphidae)

By Rotheray Graham E.  

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External Morphology of Four Species of Microdon Immatures (Diptera: Syrphidae) from the Pacific Northwest

By GARNETT WILLIAM B.   AKRE ROGER D.   ZACK RICHARD S.  

Annals of the Entomological Society of America, Vol. 83, Iss. 1, 1990-01 ,pp. : 68-80

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A New Species of Fossil Tropidia (Diptera: Syrphidae) from the Ruby River Basin (Oligocene) of Southwestern Montana

By LEWIS STANDLEV E.  

Annals of the Entomological Society of America, Vol. 66, Iss. 2, 1973-03 ,pp. : 487-488

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