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Fig. 1 | BMC Biology

Fig. 1

From: Phylogenomics revealed migration routes and adaptive radiation timing of Holarctic malaria mosquito species of the Maculipennis Group

Fig. 1

The hypothesis of two migration events of the Maculipennis from North America to Eurasia. The hypothesis was based on phylogenetic relationships between the Maculipennis species revealed by a cytogenetic analysis of their polytene chromosomes. Arrows show possible paths of migration that may have occurred in different times when the two continents were connected through Greenland about 250–50 Mya or through the Bering Land Bridge about 20–0.015 Mya

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