Odon. larvae were recovered in 15 of 295 water samples from treeholes at Rabai and Shimba Hills, Kenya. One individual was identified as Coryphagrion grandis Morton (Zygoptera: Megapodagrionidae), the first record of a larval habitat for this sp. 12 spp. of mosquito larvae were recorded in association with the Odon. in treeholes.