THERMONOTUS NIGRIPENNTS. 205 



NOTE XXIV. 



TWO NEW SPECIES OF THE LONGICORN GENUS 

 THERMONOTÜS, GAHAN 



DESCRIBED 15Y 



a RITSEMA Cz. 



Thermonotus nigripennis ^ n. sp. cf. 



Length from the anten nary tubers to the apex of the 

 elytra 20 mm., breadth at the shoulders 8 mm., width of 

 the thorax from point to point of the lateral spines 8 mm. 



Brick red , the apical half of the mandibles , the eyes 

 and antennae, the apex of the femora, the entire tibiae 

 and tarsi, and the elytra black, the latter with a strong 

 greenish blue hue ; the top of the antennary tubers and 

 the apex of the scutellum infuscate. 



The prothorax is thinly covered with a glittering ochra- 

 ceous pile , the elytra and antennae with a sooty black 

 pubescence ; on the under surface of the base of the 3rd 

 and following antennal joints a small spot of a white 

 pubescence is present. 



The head is almost smooth and impunctate, but pro- 

 vided along the middle with a very distinct line, extending 

 from the base of the labrum up to the front margin of 

 the prothorax; the face is sharply defined laterally and 

 the head between the eyes and mandibles, as well as on 

 the vertex , slightly impressed. 



The prothorax is transverse; the lateral spines are broad 

 at the base and of an almost regular triangular shape , 

 they are slightly curved backwards at the tip ; the disk 



Notes from the Leyden Museum, Vol. XVIII, 



