of neiv species of Tenthredinidce, Sfc. 407 



Worker.— Length 1^ lines. Head of a deeper colour 

 than the female, and four times the width of the prothorax ; 

 deeply incised behind ; longitudinally striated, the stria 

 becoming obsolete at the margin of the vertex. The 

 thorax widened anteriorly and angulated at the sides; 

 much narrowed posteriorly; the metathorax T\4th two short, 

 erect, acute spines ; the legs and abdomen testaceous. 



Hub. — Hiogo. 



2. Plieidole nodus. 



Worker. — Length 2^ lines. Obscurely ferruginous ; the 

 head anteriorly, the thorax, and the base of the abdomen, 

 brightest. Head longitudinally striated ; deeply emar- 

 ginate behind, where it is deeply and coarsely punctured. 

 The thorax rugose above ; the metathorax with two short, 

 acute spines. Abdomen : the first node of the peduncle 

 narrow, its superior margin rounded; the second large, 

 transverse, four times the width of the first, angular at the 

 sides, above having a few transverse stria. The head 

 tAvice the width of the abdomen. 



Hab. — Hiogo. 



Of the same size as, and resembling the P. bicarinatus 

 of JNIayr, fi-om Calcutta, but distinguished by the enlarged 

 second node of the abdomen. 



Genus Crematogaster, Lund. 

 1. Crematogasier laboriosa. 

 Worker. — Length 1^ lin. Nigro-piceous, occasionally 

 rufo-piceous, being more or less obscure, smooth and 

 shining ; the head narrowed behind the eyes, slightly so 

 in front of them, the tibia and tarsi paler than the femora; 

 the metathorax with two short acute spines ; the base ot 

 the abdomen usually paler than the apex, which is acute. 

 j^aS.— Hiogo. 



Fam. MUTILLID^. 



Genus MuTiLLA, Linn. 



' — 1. Mutilla pungens. 



Female.— Length 4 lines. Head: anterior margin of 



the thorax narroAvly, and the abdomen, black; thorax 



otherwise red. A pubescent spot in the middle of the 



basal segment, and a narrow fascia on tlae apical margni 



