Parhelophilus laetus, wing
Submitted by Tom on Thu, 2012-05-17 04:08

Wing of male of Parhelophilus laetus from Vockeroth and Thompson (1981, fig. 59) [1].
References
- Vockeroth J.R., Thompson F.C.
(1981) Syrphidae. in: McAlpine J.F. (Ed.), Manual of Nearctic Diptera. Agriculture Canada, Ottawa, pp. 713-743.
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