Mack, or slightly fuBOOUB. F.lytra only slightly wider at the apex ; 



each elytron with font costs, the interstices divided into square or 



slightly transverse spaces by transverse nervnres. The fourth to 

 tenth joints of the antenna- ill the male emit from the hase a some- 



whal long, Blender, compressed branch. The female has the antenna 

 strongly dentate, ami the thorax is Btrongly constricted in the 

 middle, which causes the posterior angles to appear much more 

 diverging. 



EURRHACUS. 



Rostrum none. Apical joint of the maxillary palpi elongate, 

 cultriform. Antenna- Long, the third to tenth joints each with a 

 Long, enniprossed branch springing from the base of the joint. Tho- 

 rax with a mesial carina, which is doubled in the middle. Elytra 

 pubescent, parallel ; each elytron with nine costa?, only four distinct, 

 the interstices with a single line of punctures. 



The cultriform apical joint of the palpi and the flabeUate antenna? 

 at once separate this from Enqdectus, after which it should be placed. 



Eurrhacus tristis. 

 (Plate VI. fig. 5.) 

 Lycos (gen. 14) tristis, Waterh,, T?-ans. Ent. Soc, 1878, pp. 99, 100. 



Niger, depressus, opacus, subtiliter pubescens ; antennarum arti- 

 culis duobus apicalibus flavis ; thorace flavo, vitta mediamx nigra, 

 antice rotundato, angulis posticis acutis ; elytris subparallelis, flavis, 

 sutura usque ad medium apiceque nigris. Long. 5 lin. 



1 1"!*. Cuenca, Ecuador. 



Dull black, the base of the palpi and base of the legs testaceous. 

 Thorax with the margins finely reflexed, the disk with a mesial 

 carina which divides and encloses a narrow elongate areolet in the 

 middle, and then again becomes a single carina just before the pos- 

 terior margin. Each elytron has nine costae, the second, fourth, 

 sixth, and eighth only distinct, the others are very fine ; the punc- 

 tures in the lines are rather small, slightly transverse. 



LYPONIA. 



Wuterh., Trans. Ent. Soc, 1878, p. 99. 



Rostrum none. Teguments thin. Antenna? with long stout 

 branches to the joints. Thorax subquadrate, with a mesial im- 

 pressed line on the disk. Each elytron has nine costse, the alternate 

 ones more conspicuous, the first, second, and third not reaching the 

 apex, the fifth and seventh joining the sixth some distance from the 

 apex ; the interstices with transverse nervures. 



