Aculeate Hymenoptera in^ Oxford Museum. 549 



45. Barymutilla pythia, Smith. 



Mntilla 2yytMa, Sm., Cat. Hym. B.M., iii, 1855, p. 18 ?. 

 Mtttilla clelia, Per., Ann. S.A. Mus., i, pt. 3, 1899, p. 443 $. 

 Mittilla Cecilia, Pen, Ann. S.A. Mus., ii, pt. 5, 1901, p. 132 



(note). 

 Barpmctilla 2)ythicc, Andre, Zeits. Hym. Dipt., i, 1901, 



p. 335 $ ?. 



Rhodesia; East Loangwa, Petauke 2400 ft. $ (.S'. A. 

 Neave). 



46. Barymutilla cepheus. Smith. 



Mutilla cepheus, Sm., Cat. Hym. B.M., iii, 1855, p. 18 $. 

 Barymutilla cepheus, Andre, Wytsman's Gen. Ins. Hym., 

 Fasc. 11, 1903, p. 32. 



Rhodesia: East Loangwa, Petauke 2400 ft. ? {S. A. 

 Neave?); var., Manica, Mpudzi River 30OO ft. $ (G. Marshall). 



The variety collected by Mr. Marshall is a larger, 

 heavier insect, with the thorax a much brighter red, but 

 the pubescent markings on the abdomen are identical 

 with that of typical cepheus, Smith, and the shape of the 

 head, thorax and abdomen and the sculpture are the same. 



47. Barymutilla despicata, form n, 



Rhodesia : Mashonaland, Umfuli River $ : Nov. 1895 

 (G. Marshall), in the F. N. Brown Collection. 



$ . Black, the thorax dark red ; head thorax and abdomen with 

 abundant erect black hairs ; the clypeus shaded with yellow hairs ; 

 the front of the scape of the antennae, the head beneath., a fringe 

 along the occiput, the pleurae of the thorax, the legs, the sides of 

 the abdomen, posterior fringes to the ventral segments 2 to 5, and 

 the pygidium clothed with silvery hairs ; basal segment of the 

 abdomen above with lateral quadrate spots on its posterior margin 

 and a transverse band on the third segment, which is widely 

 interrupted in the middle, of close set white pubescence. Head, 

 thorax and abdomen coarsely, closely and deeply punctured, the 

 punctures on the head and thorax forming short irregular carinae. 

 Head not quite so wide as the thorax in front, transverse, produced 

 behind the eyes ; mandibles tridentate ; antennal tubercles smooth, 

 antennal hollows bounded above by sharp carinae that extend on each 



TRANS. ENT. SOC. LOND. 1911.— PART III. (JAN.) O O 



