Research Article

Evolutionary Relationship between Two Firefly Species, Curtos costipennis and C. okinawanus (Coleoptera, Lampyridae), in the Ryukyu Islands of Japan Revealed by the Mitochondrial and Nuclear DNA Sequences

Figure 3

Neighbor-joining tree based on the Jukes-Cantor distances calculated using the 856 bp long data set of the nuclear rDNA ITS2 sequence. Different sequences obtained from the same individuals were distinguished by lower-case letters, a and b, included in the taxon name. Bootstrap confidence levels calculated based on 1000 replications are shown near the nodes. This tree was unrooted.
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