110 MB. smith's descriptions of hymekoptebous insects 



Gen. Heptacondtlus, Smith. 



1. Heptacondylus RUGOsus. H. obscure fusco-ferrugineus ; capite 



thoraceque longitudinaliter striatim rugulosis. 

 Worker. Length 2\ lines. Dark fusco-ferruginous ; the mandibles, 

 flagellum, and apical joints of the tarsi paler. The head and thorax 

 longitudinally striated, the former much more finely so than the latter ; 

 the flagellum six -jointed. The metathorax armed with two long acute 

 spines ; the legs pubescent. Abdomen ovate, smooth and shining, 

 truncate at the base ; tlie first node of the peduncle petiolated ; both 

 the nodes ovate and striated. 

 Hub. Bachian. 



This species closely resembles H. carinatus, but the latter has the antennae 

 thicker and more pubescent, the head is smooth and shining, with a few 

 irregular longitudinal carinte ; in the present species the head is closely 

 striated. 



Gen. PoDOMYBMA, Smith. 



1. Podomyrma basalis, Smith, Proc. Linn. Soc. iii. 14/. 

 Hab. Amboyna ; Aru ; Dory. 



2. Podomyrma nitida. P. obscure ferruginea, thorace abdomineqiie 

 Isevissimis lucidisque ; capite longitudinaliter striato ; femoribus 

 medio incrassatis, basi tenuibus. 



Worker. Length 2i lines. Obscurely ferruginous; the antennaj, man- 

 dibles, legs, and nodes of the peduncle clear ferruginous ; the head 

 longitudinally and delicately striated ; the femora compi-essed and 

 broadly dilated in the middle, very much attenuated at their base ; 

 the metathorax obliquely trimcate, its sides longitudinally striated. 

 Abdomen oblong-ovate, attenuated at the base and tapering to a point 

 at the apex ; the petiole elongate, the nodes oblong. 



Hab. Dory. 



.'3. Podomyrma silvicola. P. ferruginea; capite thoraceque longi- 

 tudinaliter striatim rugulosis ; femoribus valde incrassatis, basi tenuis- 

 simis ; abdomine nitido. 



Worker. Length 4 lines. Rufo-ferruginous ; the head and thorax 

 with longitudinal grooves or striae, those at the sides of the head 

 punctured ; the antenna;, mandibles, articulations of the legs and the 

 tarsi pale ferruginous; the anterior margin of the thorax rounded, with 

 the lateral angles produced into short spines ; the femora iucrassate 

 in the middle, very much attenuated at the base. Abdomen with a 

 beautiful silky gloss, caused by an extremely delicate aciculatiou, 

 visible under a high magnifying power ; the apical segments smooth 

 and shining ; the first node of the peduncle distinctly petiolated, with 

 a siuall acute tooth above, the second node globose. (Plate I. fig. 8.) 



Hab. Rachiau. 



Found by Mr. Wallace running on trunks of trees In a dry forest. 



