Template:Thompson, Vockeroth & Speight, 1982

• Thompson, F.C., Vockeroth, J.R., Speight, M.C.D. 1982. The Linnaean species of flower flies (Diptera: Syrphidae). Memoirs of the Entomological Society of Washington 10: 150–165. hdl: 10088/17482  
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