ACANTHACLISIS MAC LACHLANI. 211 



middle of the metathorax. Scutellum fuscous. Insertion of 

 the wings yellow. 



Legs with whitish villosity and black spines. Anterior 

 pair black, excepted the tip of tibiae which is ferrugiueous. 



Second pair like the first. 



Posterior pair: femora ferrugineous with dark articulations; 

 tibiae black, with a long ferrugineous stripe at the outside 

 not reaching the tips. 



Claws strong, black. Spurs black, slightly curved, nearly 

 straight, somewhat longer than the two first tarsal joints 

 taken together. 



Abdomen dark fuscous, somewhat ))pruinosus" on the first 

 segments and there also with some short dark villosity ; 

 articulations testaceous, last segment black with dense black 

 villosity, appendices wanting. 



Wings limpid, tolerably narrow. In the costal area the 

 first 6 — 7 nervules simple, the rest biareolated and before 

 the pterostigma some simple and furcated nervules. Ptero- 

 stigma narrow, nearly wholly fuscous in the upper and basal 

 part, a luteous marking in the lower apical part. 



Subcosta, radius and cubiti fuscous, with small luteous 

 interruptions. Postcosta confluent with the lower cubitus 

 and from the point of their junction are 3 veinlets broadly 

 bordered with fuscous, connected with the hind border. 



Cubiti joining the hind border close to the tip and about 

 straight below the apical tip of the pterostigma. 



Hindwings of the same shape as the forewings, somewhat 

 shorter ; the subcosta, radius and cubiti as in the forewings. 

 Costal-area with simple nervules. Pterostigma larger than 

 in the forewings, with a larger luteous apical part, all 

 cross- and small longitudinal veinlets black, not bordered 

 with fuscous. In the postpterostigraatical area are the 

 transverse veinlets fuscous and also on the hiudborder of 

 the tip, forming there a fuscous cloud which ends straight 

 along the cubiti. 



Length of body 30-43 niM. 



» » abdomen 28 — 81 » 



Notes from the Leydeii rviu^eum , Vol. XXI"V. 



