PACHYTERIA NIASSENSIS. 161 



NOTE XXV. 



A NEW SPECIES OF THE LONGTCORN GENUS 

 PACHYTERIA, SERV. 



DESCRIBED BY 



C. J. GAHAN, M. A., 



Assistant, Zoological Department, British Museum. 



Pachyteria niassensis , n. sp. Q. 



Blackish blue , with the basal half of the elytra yellowish 

 brown and the four apical joints of the antennae luteous. 

 Prothorax with a feeble rounded tubercle on each side; 

 pronotum opaque , very densely and coarsely punctured. 

 Basal half of elytra coarsely and very densely punctured , 

 apical half finely and very densely punctured and clothed 

 with a velvety pubescence. — Length 24 mm., breadth 6 mm. 



Hab. Nias Island. 



The head is thickly and strongly punctured, with a 

 smooth transverse space on the front between the most 

 anterior part of the eyes; this space is divided in the 

 middle by a longitudinal groove which extends upwards 

 on to the vertex. The antennae reach to about the posterior 

 third of the elytra ; the scape is thickly and strongly punc- 

 tured and impubescent; the joints from the third to the 

 seventh are clothed with a velvety black pubescence; the 

 four apical joints are luteous; the third joint is about 

 equal in length to the fourth and fifth combined. The 

 pronotum is opaque and strongly and very densely punc- 

 tured excepting two transverse grooves — one at the anterior, 

 the other at the posterior border. The posterior groove is 



Notes from thie Leyden Miuseum, Vol. XII. 



11 



