Manchester Memoirs, Vol. xli. (1897), No. 4. 57 



6 . Head and thorax black, the former in front and the 

 pronotum thickly covered with long white silvery hairs ; 

 abdomen ferruginous, except the apical segment, which is 

 black above and beneath ; wings fuscous, paler at the 

 base. Antennae elongate, slender, tapering towards the 

 apex ; the scape grooved laterally, sparsely covered with 

 long white hair ; the flagellum covered with a sparse 

 down ; the third joint nearly twice the length of the 

 fourth. Head not much narrower than the thorax ; 

 behind the eyes it is a little longer than their width ; the 

 front and vertex strongly punctured. Prothorax strongly 

 punctured, the pronotum thickly covered with grey 

 pubescence ; the mesonotum strongly punctured, the 

 punctures deep and clearly separated ; down the sides 

 run two deep furrows ; the median segment with a some- 

 what abrupt rounded slope ; reticulated ; in the centre is 

 an elongated area reaching from the base to shortly 

 beyond the middle, the base being dilated. Propleurse 

 obliquely striolated, smooth behind ; the mesopleurse 

 coriaceous, projecting in the middle, where they are 

 thickly covered with long white hairs. Legs covered 

 with longish white hairs ; the calcaria pale. Radial 

 cellule elongate ; the basal abscissa of the radius sharply 

 oblique, the apical more rounded ; the first transverse 

 cubital nervure oblique ; the second broadly and roundly 

 curved ; the third sharply angled above the middle ; both 

 the recurrent nervures are received shortly beyond the 

 middle. Keel on basal ventral segment stout, black. 



MUTILLA OPULENTA, Smith. 



The 2 of this species is probably M. soror, Sauss. (Ann. 

 Soc. Ent. Fr., viz., 1867, 354, t. 8, f. 3.) As Smith's name 

 is the older one, it will have to be adopted should soror 

 prove to be a variety. 



Col. Yerbury has taken the sexes together. The 2 

 however has the thorax black, while in the typical M. soror 



