198 HYMENOPTERA. 



raised plate, beueath which the antennae are inserted ; the sides 

 of the head longitudinally and coarsely rugose ; the head above, 

 the thorax and abdomen, covered with short blunt spines, each 

 of the spines having a long stiff hair at its apex ; the node of the 

 abdomen transverse, terminating on each side in a long sharp 

 spine ; the abdomen globose, beneath, smooth and shining. 



Hab. Singapore. 



2. ECHINOPLA PALLIPES. B.M. 



Echinopla pallipes, Smith, Proc. Linn. Soc. ii. 80. 2 ^ . 



Worker. Length 22 Unes. — Black: body hispid; eyes prominent. 

 Abdomen globose, node of the peduncle transverse, produced on 

 each side into an acute spine ; legs pale testaceous. Head and 

 thorax rugose ; the abdomen vermiculate, and covered with slight 

 elevations placed in great regularity over tlie entire upper surface, 

 each elevation terminating in a hair. The scape and the man- 

 dibles ferruginous, the eyes very prominent, the palpi and legs 

 pale testaceous, with the tarsi rufo-piceous. Abdomen obscurely 

 rufo-piceous. 



Hab. Borneo (Sarawak). 



The sculpture of this insect is difficult to describe : the head 

 and thorax are the most coarsely rugose, the rugosity being 

 regularly inter.spersed with short blunt spines, each having a 

 single hair springing from its summit. 



3. EcHINOPL.\ STRIATA. B.M. 



Echinopla striata, Smith, Proc. Linn. Soc. ii. 80. 3 ^ . 



Worker. Length 3 lines. — Black : head, thorax and abdomen 

 longitudinally striated ; thorax oblong-quadrate, the scale of the 

 peduncle transverse. The head with an obscure blue tinge ; the 

 palpi pale testaceous. Thorax : the margins denticulate ; the 

 imterior margin rounded, the lateral ones narrowed to the middle, 

 and again widened posteriorly ; above very slightly convex ; the 

 division between the pro- and mesothorax distinctly marked by 

 a suture ; between the meso- and metathorax is a deep stran- 

 gulation; the peduncle of the abdomen transverse, incrassate, 

 and armed on each side with a straight stout spine. Abdomen 

 orbiculate ; the entire insect thinly sprinkled with erect black 

 hairs. 

 Hab. Malacca. 



