The following new species of Dryinidae are described from Kenya: Anteoninae: Anteon bytebieri, A. copelandi, A. shimbanum, A. whartoni; Dryininae: Dryinus copelandi, D. shimbanus; Gonatopodinae: Gonatopus baginei. The following new species of Embolemidae are described: Ampulicomorpha nzigidaherai, from Burundi and Kenya; Embolemus burundensis, from Burundi. Updated checklists of Dryinidae, Embolemidae and Sclerogibbidae of Kenya and Burundi are presented. Embolemidae are recorded for the first time in Kenya and Burundi. With the above new records, 39 species of Dryinidae, four species of Embolemidae and 12 species of Sclerogibbidae are now known from Kenya, and two species of Dryinidae, three species of Embolemidae and one species of Sclerogibbidae are known from Burundi.

Two new species of Labenopimplinae, Labenopimpla orapa sp. n. and Rugopimpla botswana sp. n., are described from the Upper Cretaceous (Turonian) deposits of Orapa in Botswana. These are the first and only known Cretaceous Ichneumonidae from the southern hemisphere. The new species seem to be very similar to their relatives from the Cenomanian of the Russian Far East. This indicates a wide distribution of Ichneumonidae by the early Late Cretaceous at least.

The taxonomy of the western Malagasy stingless bees (Liotrigona spp.) has been complicated by the high degree of morphological similarity between the described species. This group includes one of the smallest bee species of the world, Liotrigona bitika (Brooks & Michener, 1988). However, the description of this species is solely based on size differences, and observation of individuals intermediate in size between Liotrigona bitika and Liotrigona madecassa (Saussure, 1890) have cast doubt on the distinctness of the former taxon. I examined specimens, collected in the dry deciduous forest of Kirindy, representing all three of the described Liotrigona species of western Madagascar using a combined approach of size measures and DNA sequence analysis of the cytochrome oxidase I barcoding region. The analysis revealed all described taxa to be valid and furthermore uncovered the existence of a fourth taxon, described as Liotrigona kinzelbachi sp. n. The sympatric species exhibit non-overlapping body size ranges, indicating a strong influence of body size in niche differentiation of this otherwise morphological highly similar clade.