References list of works (co)authored by Mengual in 2008:
Mengual X, Stahls G, Rojo S (2008). First phylogeny of predatory flower flies (Diptera, Syrphidae, Syrphinae) using mitochondrial COI and nuclear 28S rRNA genes: conflict and congruence with the current tribal classification. Cladistics 23, 1-20.