new Sjy^cies of African Diploptera. 453 



as wide at apex as the liead. Front and clypeus covered 

 with dense silvery pubescence, especially conspicuous on base 

 of clypeus and in the sinus of the eyes. 



Punctured ; head, thorax, and abdominal segments 1 , 2 

 rather coarsely, the median segment and abdominal seg- 

 ments 3-6 more finely. 



Length 8^ mm. 



Hab. Lower Luangwa River, N.E. Ehodesia, Sept. 1910, 

 1600-1800 ft. {S. A. Neave), and Bulawayo, Aug. 1909 

 [E. a Chubb) ; 1 (? . 



Appears to come nearest to L. ? macrostylus, Kohl, but 

 differs in the neuration and colour of the legs. 



The male has the clypeus entirely yellow. 



This species was presented by the Entomological Research 

 Committee (Tropical Africa). 



Labus caffra, sp. n. 



Niger ; abdominis segmentorum 1, 2 margine postico flavis ; pedi- 

 bus ferrugineis, flavo variegatis; alis fusco-hyalinis, costa cellu- 

 laque radiali infuscatis. 



$ . Black ; scape beneath, clypeus at the base and two 

 minute spots at apex, a small spot in the sinus of each eye, 

 a spot between the base of the antennseand behind the eyes, 

 a short interrupted line on the anterior margin of the pro- 

 notum, a line on the postscutellum, narrow apical fasciae on 

 abdominal tergite 1, and abdominal termite and steruite 1 

 and 2, pale yellow. Tibise above pale yellow. 



Mandibles except the base, tegulae, and legs ferruginous 

 red. 



Wings hyaline, darker along the costa and in radial cell. 



Head broad, as broad as thorax at tegulee, clypeus as 

 broad as long, narrowly produced towards apex; thorax 

 massive ; pronotum truncate anteriorly, widening towards 

 tegulse, the lateral angles of the truncation acute, median 

 segment rounded dorsally, gradually sloping posteriorly. 



Petiole robust, equal in length to the mesonotum, nar- 

 rowest and subtrnncate at base, gradually widening to apex, 

 the base armed above with an acute spine ; second abdominal 

 segment cup-shaped, somewhat elongate. 



Head, thorax, and abdominal segments 1-3 covered with 

 deep granular punctures, median segment and terminal 

 abdominal segments very finely punctured. 



The whole insect covered with short grey pubescence^ 

 most conspicuous on clypeus, pleurae, and abdomen. 



Length 8i mm. 



Hab. Zulu } 1 ? . 



