The mesophragmatica species group is a small group containing nine described species, all of which are Neotropical in distribution (Baechli, 2019). Phylogenetic relationships in this group have been inferred using polytene chromosome banding patterns (Brncic et al., 1971) and isozymes (Nair et al., 1971). These studies suggest that D. pavani and D. gaucha are sister species and placed basal to D. mesophragmatica and its relatives. Most species of the mesophragmatica group are easily culturable on standard cornmeal media.
(excerpted from Markow and O’Grady, 2006, Chapter 1)
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