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polished line which widens at the apex in a rounded, slightly elevated, 

 impunctate area, without a distinct transverse ridge. Middle of the 

 last tergite raised and truncate before the apex. Sixth sternite with 

 small, oblique ridges. Seventh sternite with flattened, curved ridges. 

 Eighth sternite with heavily swollen, thick ridges which eu ve toward 

 each other and unité posteriorly, but are much lower behind than 

 in front. 



Habitat : Belgian Congo, one maie, Malela, July 5, 191 5 (J. 

 Bequaert). 



Holotype : Congo Muséum, Tervueren. 



Smicromyrme (Pristomutilla) congoana (Bischoff). 



Pristomutilla congoana Bischoff, 1921, Arch. f. Naturgesch., 

 LXXXVI, Abt. A, Heft 4, p. 525 (nec Smicromyrme congoana Bischoff, 

 op. cit., p. 572). 



One female from Faradje (Lang and Chapin) we assign to this 

 species with some hésitation for the band on the third tergite is 

 laterally abbreviated, leaving therefore only two spots. It is not, 

 however, so clearly distinct as to warrant description as a new form, 

 on the basis of a single spécimen. 



Smicromyrme (Pristomutilla) ctenothoracica var.rufithoracica 



(Bischoff). 



Kenya Colony : Taveta (Dr. Bayer). 



Ctenotilla lobognatha, new species. 



Female. — Dark brown; with red dorsum, piceous legs, mandibles, 

 and scape; a crescent-shaped band, occupying most of the apex of the 

 third tergite, testaceous. Calcaria testaceous. With spaise, erect, pale 

 set as which form a thin fascia on the testaceous band of the third 

 tergite. 



Length : 5 mm. 



Head seen from above broader than the thorax, trapeziform, being 

 widest at the front of the eyes; the latéral margins prolonged in straight 



