Aculeate Hynunoptera in Oxford Miiseuvi. 533 



preapical tooth on their inner edges ; clypeus rounded anteriorly, 

 flat with a small shining tubercle at base. Antennae : 2nd joint 

 of the flagellum twice as long as the 3rd, 3rd and 4th subequal ; eye 

 rounded, convex, the vertex arched, the sides of the head behind 

 the eyes well developed. Thorax elongate, broader anteriorly than 

 posteriorly, the sides slightly crenulate, above closely and coarsely 

 punctured, the punctures running into longitudinal striae or fine 

 grooves, posteriorly obliquely sloped ; the sides of the median seg- 

 ment carinate ; the pleurae smooth, legs shining, intermediate and 

 posterior tibiae with a single row of short distant spines ; calcaria 

 short, yellowish-white. Abdomen sessile, ventral carina of the 

 basal segment feebly emarginate as in the ^ ; 6tli segment convex 

 without a pygidial area. 

 Length $ 8 mm. 



13. MUTILLA ALECTO, Smith. 



Mutilla aledo, Sm., Cat. Hyin. B.M., iii, 1855, p. 17 ^; 

 Andre, Wytsman's Gen. Ins. Hym., Fasc. 11, 1903, 

 p. 35. 



Guinea $ {Coll. W. IF. Sawiders). Natal ? ^ {Coll. 

 W. W. Saunders). 



14. Mutilla leucopyga, Klug. 



Mutilla Icucoiyyga, Klug, Sytnb. Phys., 1829, dec. 1, pi. 4, 

 fig. 10 ?J Andre, Zeits. Hym. Dipt., ii, pt. 1, 1902, 

 p. 22. 



Mutilla opaca, Lep., Hist. Nat. Hym., iii, 1845, p. 624 f. 



Mutilla persephone. Per., Ann. S.A. Mus., i, 1898, p. 69 ; 

 id. torn. cit. 1899, pi. 8, figs. 11, 13 $ $. 

 Natal $ {Coll. W. W. Saunders). Rhodesia : Mashona- 



land, Salisbury 5000 ft., and Buluwayo $ $ {G. Marshall). 



15. Mutilla cytheris, P^ringuey. 



Mutilla cytheris, Per., Ann. S.A. Mus., i, pt. 2, 1899, 

 p. 372 $ . 



Rhodesia: Mashonaland, Salisbury 5000 ft. ^ {G. 

 Marshall). 



The two succeeding forms have, so far as I can make 

 out, not been previously described. Both so closely 

 resemble Dolichomutilla guincensis, Fabr., that they might 

 easily be mistaken for tliat form ; both belong, however, 



TRANS. ENT. SOC. LOND. (1911).— PART HI. (jAN.) N N 



