| 21. | Its thorax is dark bluish black The scutum is dark bluish black except yellowish on the notopleuron.
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| 22. | The birds are waxy bluish black with a long graduated tail with white tips to the tail feathers.
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| 23. | The black beak and eyes contrast with the white head and the feet are bluish black in colouration.
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| 24. | The forewings are bluish black, with sparse lighter blue metallic scales intermixed, especially toward the apex.
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| 25. | The species included in this genus have a large bluish black body, bluish black wings and a yellow head.
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| 26. | The species included in this genus have a large bluish black body, bluish black wings and a yellow head.
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| 27. | The lower part of the nape of the neck, to the top of the back, is a bluish black.
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| 28. | Colouration is generally black or bluish black, with about 40 thin, white crossbars which may be indistinct or absent anteriorly.
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| 29. | In colour it is grey to bluish black, with dark lateral bands ( the right band usually running entirely above pneumostome ).
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| 30. | The forewings are bluish black, with the tips of the scales black, while the bases are ochreous and the middle part bluish.
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