Figures 8.5


Area cladogram showing phylogenetic relationships of hypothetical insect taxa with taxon names replaced by their areas of endemism in the Hawai’ian archipelago.
Figures 8.5. Area cladogram showing phylogenetic relationships of hypothetical insect taxa with taxon names replaced by their areas of endemism in the Hawai’ian archipelago.

The pattern of colonization and speciation of the insects on the islands is depicted by arrows showing the sequence and direction of events: A, founding; B, diversification within an island; C, back-colonization event; myo, million years old. Broken line, extinct lineage.

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  Appendages of hypothetical primitive Palaeozoic (left of each diagram) and modern (right of each diagram) pterygotes (winged insects):
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  Diagrammatic view of a soil profile showing some typical litter and soil insects and other hexapods.