1. Named after Dr J. B. Davey, late of the Sleeping Sickness Commission, who has collected much valuable material and aided us in our investigations.
2. The largest partly gorged specimen measures 7·1 × 5·3 mm. The scutums of the 8 ♀ s measured as follows:
3. Named after Dr J. S. S. Old, who has greatly aided us with material from Africa.
4. In one specimen the sides are sub-parallel, the lateral angles being absent.
5. Named after the collector.