214 Lieut. -Colonel C. T. Bingham on 



Genus Cerceris, Latr. 



Cerceris nasuta, Lepel. 



Ce-ceris jiasuta, Lep. Hist. Nat. Ins., Ilym. iii. (184o) p. ; Lucas, 

 Expl. sc. Altr^rie, Zool. iii. (1846) p. ■250, pi. xii. fig. 8; Andr<5, 

 Spec. Ilym. Eur. iii. (1890J p. 335, $. 



One female, Durban {Distant). 

 Indistinguishable from Algerian specimens. 



Cerceris latifrons, sp. n. 



? . Black, the mandibles, tlie antennfe beneath, and the 

 femora, tibino, and tarsi of the legs red ; the third abdominal 

 segment above and a narrow line on each side of the apical 

 margin of the fourth segment yellow, the yellow on the third 

 segment emarginate anteriorly. Head, thorax, and basal 

 two abdominal segments coarsely, closely, cribrately punc- 

 tured, the fourth and following abdominal segments with 

 large, shallow, scattered punctures. Head, thorax, and abdo- 

 men pubescent, the pubescence pale yellowish white and 

 most dense on the front below the antennge and the clypeus, 

 entirely hiding the sculpture. Mandibles shining, covered 

 with scattered short hairs ; clypeus slightly convex, deeply 

 emarginate anteriorly, front flat, remarkably broad, as broad 

 across at base of mandibles as high ; eyes oval, rather small, 

 their inner margins parallel ; head above and cheeks behind 

 the eyes broad and flat, the latter sharply truncate posteriorly. 

 Thorax massive, the mesonotum twice as broad as long; the 

 median segment convex, the cordiform area at its base 

 obscurely obliquely striate. Wings fusco-hyaline, nervures 

 brownish black. Abdomen with the basal segment forming 

 a narrow rectangular pedicel about a third as wide as the 

 second segment ; beneath the pedicel is briefly carinate at 

 base and with a tubercle on each side at the margin ; pygidium 

 oblong, finely rugulose, the sides, but not the apex, margined. 



Length, ? , l-i millim. 



Ilab. Procured on the Natal border of the Transvaal. 



Cerceris ori'enialis, Smith. 

 Cerceris orientalis, Smith, Cat. Ilym. B. M. iv. (1856) p. 454, $ S • 

 One female. Fort Johnston, Nyasaland [Rendall). 

 Identical with s])ecimens from Kurachi in Western India. 



Cerceris fulviventris, Gudrin. 

 Cerceris fulciventr is, Guer. Iconogr. Eegn. anim., Ins. vii. (1845) p. 444. 

 One female (typical), Delagoa J^■Ay (Distant) ; one female 

 (var. ?), Fort Johnston, Nyasaland {Rendall), 



