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. 2022 Sep 16;13:969230. doi: 10.3389/fmicb.2022.969230

FIGURE 3.

FIGURE 3

The tanglegram of fungal assemblages and species of the D. frontalis complex. (A) Topological reconciliation of bark beetles and fungal assemblages. Four cospeciation events were found, the first between D. mexicanus and D. vitei; the second between D. mesoamericanus and D. frontalis; the third between groups D. mexicanus + D. vitei and D. mesoamericanus + D. frontalis; and the last between D. barberi and D. brevicomis. Four duplication and host switch events were detected between D. frontalis and D. mesoamericanus (2), between groups D. mesoamericanus + D. frontalis and D. barberi + D. brevicomis (1), and the last between D. adjunctus and the group of D. mexicanus + D. vitei + D. mesoamericanus + D. frontalis (1). The reconciliation of topologies (p = 0.01) and association between distance matrices (Mantel test r = 0.7093, p = 0.003) were significant. (B) ML-phylogeny from the species of the D. frontalis complex inferred using mtDNA COI sequence (AF60001.1 D. adjunctus, AF06999.1 D. barberi, AF068002.1 D. brevicomis, AF067986.2 D. frontalis, AF067988.1 D. mexicanus, KT364536.1 D. mesoamericanus, KT364538.1 D. vitei). The model best was GTR + I sensu Akaike criterion (k = 20, −Ln = 3018.98366, AIC = 6077.96732). Bootstrap values are shown upper nodes. D. adjunctus was used as outgroup. Dendrogram of fungal assemblages built using UPGMA and Bray-Curtis dissimilarity index.