Aculeate Hymenoptera in Oxford Museum. 549 
45. BARYMUTILLA PYTHIA, Smith. 
Mutilla pythia, Sm., Cat. Hym. B.M., ili, 1855, p. 18 2. 
Mutilla clelia, Pér., Ann. S.A. Mus., i, pt. 3, 1899, p. 443 9. 
Mutilla cecilia, Pér., Ann. S.A. Mus., ii, pt. 5, 1901, p. 132 
(note). 
Barymutilla pythia, André, Zeits. Hym. Dipt., i, 1901, 
p. 335 f §. 
Ruopesia: East Loangwa, Petauké 2400 ft. 2 (S. A. 
Neave). 
46. BARYMUTILLA CEPHEUS, Smith. 
Mutilla cepheus, Sm., Cat. Hym. B.M., ili, 1855, p. 18 9. 
Larymutilla cepheus, André, Wytsman’s Gen. Ins. Hym., 
Fasc. 11, 1903, p. 32. 
RuHopEsIA: East Loangwa, Petauké 2400 ft. 2 (S. A. 
Neave); var., Manica, Mpudzi River 3000 ft. 2 (@. 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. 
RuHopEsIA: Mashonaland, Umfuli River 2: 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.) OO 
