Figure 4From: Mitochondrial and nuclear phylogenetic analysis with Sanger and next-generation sequencing shows that, in Área de Conservación Guanacaste, northwestern Costa Rica, the skipper butterfly named Urbanus belli(family Hesperiidae) comprises three morphologically cryptic speciesBayesian trees constructed from COI (panel a) , cytb (panel b) , and EF1a (panel c) sequences of the Urbanus bernikerni complex showing the relationship between mitochondrial and nuclear gene regions. Posterior probabilities are presented > 70%.Back to article page