P. CAMERON. HYMENOPTERA. 195 



Of the species known to me the présent comes nearest to E. tricolor Cam., which 

 may be known from it by the broad rufous band on the abdominal pétiole and the rufous 

 middle femora. 



MUTILLIDAE. 



Mutilla L. 



1. Mutilla manifesta Smith. 



Proc. Linn. Soc, 185g, 150; André, Ann. d. 1. Soc. Ent. de Fr., 1898, 71. 



A çf from Bivak Island, October, agrées with SMITH's description of the above Aru 

 species so far as it goes. The head is a little narrower than the thorax; the temples are 

 roundly obliquely narrowed; the occiput is transverse; it is rugosely punctured, the front 

 more closely than the vertex, the punctures running into reticulations. The front and vertex 

 densely covered with fuscous, almost black hair, which is longer on the hinder part of the 

 vertex ; the lower part of the outer orbits, face and clypeus more densely covered with longer 

 white pubescence. The palpi are long and black, sparsely pilose. Base of thorax transverse; 

 the mesonotum and scutellum densely covered with long fuscous hair, which is longer on the 

 scutellum; the sides of the metanotum with long white hair. Sides of scutellum broadly 

 rounded outwardly, projecting at the apex into a blunt triangle ; the centre is bluntly bilobate; 

 the sides below this are distinctly, roundly keeled. The central part of the metanotum is 

 reticulated, coarsely above, more finely on the apical slope; the metapleurae closely reticulated, 

 with an oblique smooth band below the middle. The lower part of the pleurae and the breast 

 black. Propleurae and apex of mesopleurae smooth. Apex of ist abdominal segment coarsely, 

 deeply punctured, the extrême apex smooth; the basai slope is oblique, weakly, but distinctly 

 punctured. The 2 nd segment is strongly punctured, the punctures smaller and closer at the 

 apex; the centre of the apical half impunctate; the yà, 4* and 5^ are much more finely 

 punctured, the 6 tfl and 7 th more strongly and closely than thèse and covered thickly with 

 black hair. The keel on the i st ventral segment is rounded at the base and apex. The wings 

 are defective in the only example in the collection; they are fuscous-violaceous, narrowly 

 hyaline at the base. Tegulae large, smooth broadly at the sides and apex, the rest punctured. 

 Legs densely covered with white hair; the calcaria pale. Antennae moderately stout, longish, 

 not tapering much towards the apex, the 3 r <l joint about one quarter longer than the 4*. 



Length 12 mm. cf. 



The hair on the abdomen below is black, white in the centre of the basai 3 segments. 



This may be a variety of manifesta, or a new species. Both Smith and André des- 

 cribe the thorax as „red", while in the species, I hâve described, the lower fourth of the 

 pleurae and the breast are black; André, too, describes the hair on the ventral surface as 

 yellowish, while hère it is black, except in the middle of the basai surface where it is white. 



2. Mutilla nigra Smith 



Mutilla nigra Smith, 

 Nat. di Genova, XS 



Two examples from Bivak Island, October, agrée fairly well with the short description 



Mutilla nigra Smith, Proc. Linn. Soc. 1859, p. 151; André, Ann. d. Museo Civ. di Storia 

 Nat. di Genova, XX, 78. 



