22 Cameron, H ymcnoptera Oricnialia. 



MUTILLA NIOBE, Sp. 710V. 



Long. 1 6 mm. S. 



Agrees in coloration with M. k/iasiana, except that 

 the wings are violaceous-black, not fuscous, the nervures 

 and stigma also being deep black ; may be known from 

 it otlierwise by the tcgulx^ being strongly punctured. 



Scape of antennie covered with long white hair; 

 hollowed on the under side, the sides of the hollow distinctly 

 margined ; the flagellum covered with a close black pile, 

 which is longer and thicker on the apical joints which are 

 distinctly narrowed. Front and vertex coarsely punctured ; 

 the ocellar regions smooth; the punctures on the space 

 between them and the eyes running into reticulations; the 

 vertex sparsely covered with long fuscous, the outer orbits 

 with shorter white hair. IVIandibles covered with long 

 white hair. Thorax rufous ; except the sternum and the 

 lower edge of the pleurae, which are black. Fro- and meso- 

 notum rugcsely jiunctured and covered with long blackish 

 hair ; shining. Scutellum rugosely punctured ; sparsely 

 covered with long black hair ; the base of the post- 

 scutellum smooth. Median segment reticulated ; more 

 coarsely in the middle at the base, where there is a smooth 

 depressed area, which is narrowed towards the apex and 

 extends near to the middle ; from its apex a keel runs to 

 near the middle of the segment. Tro-pleuraj closely and 

 strongl}- punctured, except at the apex, where there are four 

 longitudinal keels; on the apex of the mcsopleunt, over the 

 cox;e, are four irregular keels ; the metapleuriij regularly 

 reticulated. Legs thickly covered with white hair ; the 

 calcaria and tarsal spines pale. Wings violaceous, paler at 

 the base ; the nervures deep black, except the apical. 

 Abdomen deep black; distinctly punctured, especially at 

 the base ; the basal four segments fringed with long, pale 

 fulvous, the others covered with long black hair. 



