( 232 ) 



Length, to 111 mm. 



Hab. Manson Mts., Tonkin, 2000—30(1(1 ft., Ai)ril— May (Frnhstorfer). 



4 6S,l ?. 



5. Acorynus tonkinianus sjjcc. nov. 



5 ? . Black, covered with a sparse olivaceous tomentum ; |ironotum and 

 alternate interspaces of elytra dotted with fulvous ; a large snbbasal fulvous patch 

 common to both elytra, narrowed laterally, comjwsed of confluent spots ; snbbasal 

 callosity blackish ; sides of sterna marked with fulvous, especially the metathoracic 

 episternum ; abdomen with two rows of fulvous dots on each side : a broad ring 

 on tibiae and the first tarsal segment excepting apex rufous, covered with a luteous 

 pubescence, in S {t'/pe) also femora partly rnfous ; antenna rufescent. 



Rostrum with five prominent dorsal carinas nearly as in fudrirostrin (1833) 

 Gylh., the middle one interrupted beyond middle, stopping at base in J, continued 

 in ? as a fine line over frons ; the others abbreviated beyond middle : a short 

 apical carina between the second and third. Eyes subapproximate in i. Frons 

 narrowing anteriorly in both sexes. Segment 10 of antenna broader than long, 

 shorter than 8. Protborax dispersedly punctured, deeply grooved transversely 

 on disc ; carina slightly angulate in middle, very, broadly rounded at sides, little 

 produced forwards. Elytra finely pnnctate-striate, the alternate interspaces, which 

 appear deeper black than tlie others in certain lights, somewhat elevate. I'ro- 

 sternum dispersedly punctured. Anal sternite raised mesially in <?, the raised part 

 crowned by a transverse carina, which projects distad ; the segment rounded in ? . 



Length, 10 to 11 mm. 



Hah. Mauson Mts., Tonkin, April— May, 2000— 3(HiO ft. (Fruhstorfer) : 

 Chiem-Hoa, Central Tonkin, August — September (Fruhstorfer). 



1 (?, 3 ? ?. 



6. Acorynus mosonicus spec nov. 



(??. Black, pubescence olive-black above, grey beneath; upperside marked 

 with fulvous — namely, a thin mesial line on occii>ut, a superciliary stripe and 

 the whole frons, an interrupted mesial vitta on pronotum, a consjiicnous median 

 dot on each side, three dots in a row farther laterally, and another spot above 

 the lateral carina, a number of dots and dashes on the elytra, partly confluent, 

 variable in size ; a spot behind shoulder more conspicuous. Base of tibiae with 

 a rnfous sjiot, covered with a luteous pubescence ; tibiae blackish or rufescent. 

 Rostrum half as long again as broad, with five dorsal carinac, densely punctured. 

 Frons in S as broad as the interspace between the mesial and submesial carinae, 

 in ? nearly twice as broad. Basal segments of antenna rufescent, the following 

 rnfous at the joints, segment lO half as long again as broad. 



Head and prothorax densely and coarsely punctate ; no transverse sulcus on 

 pronotum, carina concave, subangulate. Elytra parallel, flat above, very strongly 

 striate-punctate, subcostate. Pygidium rounded in ?, subtrnncate in S- Pro- 

 sternum and sides of metasterimm with large punctures. No tubercle on first 

 abdominal segment of S. 



Length, 7 to OJ mm. 



Hah. Mauson Mts., Tonkin, 2000—3000 ft., April- May (Fruhstorfer). 



A series. 



Somewhat similar to carinifrons (1895) Jord. and punctatus (1894) Jord., 

 but the eyes much farther apart. 



I 



