A Monograph of the Formicidae of South Africa. 383 



Race boeroeum, Santschi. 



(As race of cognata), Bull. Soc. Ent. France, p. 258, £ , 1913. 



Goteborgs Kungl. Vetensk. pen Vitterh. Handl., XV, 2, p. 32, £ , 1914. 



" $ . 2 2 mm. Reddish-yellow, mandibles, antennae and legs paler. 

 Basal segment of abdomen tinged with brown in the middle. Pilosity 

 as in the type. Sculpture stronger. The pronotum is subopaque and 

 more strongly longitudinally striate than in cognata. It is also 

 reticulate-punctate and dull, like the rest of the dorsum of the thorax 

 and the 1st segment of the petiole. The sides of the thorax, 2nd 

 segment of the petiole and the abdomen smooth and shining, the 

 abdomen with about 20 striae at the base. Head as in cognata, the 

 mandibles hardly shorter. Second and 3rd joints of the flagellum 

 distinctly longer than wide. Pronotum with a feeble median carina. 

 Ivtesonotum with the anterior angles more prominent, marginate ; the 

 dorsum of the epinotum also feebly marginate. Spongy tissue as in 

 the type." 



This race is unknown to me in nature. The illustration accompany- 

 ing the author's text. shows the mandibles half as long as the head, the 

 posterior margin shallowly emarginate, the 5th joint as long as the 

 rest of the flagellum. 



" 9 . 2 - 5 mm. Vertex, tegulae and scutellum blackish-brown. The 

 rest of the dorsum of the thorax reddish-brown. Second node brown 

 like the abdomen, the rest as in the £ • Dull, reticulate-punctate. 

 Second node and the abdomen smooth and shining, the base of the 

 latter striate as in the $ . . . . Deiilated. 



" Stamford Hill, Natal and Dukudu, Zululand (Traegaordh)." 



Genus MICRODACETON, Santschi. 

 Goteborgs Kungl. Vetensk. pch Vitterh. Handl., XV, 2, p. 33, 1914. 



Characters. 



^ • Small insects. Antennae 6-jointed. The lst-4th joints of the 

 flagellum subequal and elongate, the 5th forming the club. Head 

 cordiform. Mandibles linear, dentate at the apex. JSTo scrobes present. 

 The scapes are hidden at the base by the lobes of the frontal carinae. 

 Head, thorax and 1st joint of the petiole dentate or spinose. No 

 spongy tissue present. 



Distribution. — South Africa. Monotypic. 



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