FLATKROS. '<!■» 



Lyponia debilis. 

 (Plate VI. fig. 9.) 

 Waterh., Tram. Ent. Soc, 1878, p. 107. 



Pubro-fusca ; thorace lirabo elytrisque rufis, antennis fere nigris, 

 scutcllo piceo; elytris quadricostatis, interstitiis biseriatim fori ii it 

 punctata, punctis transversis, seriebus costa tenui divisis. 



Long. 4= lin. 



Hab. Cbina (J. C. Bowring, Esq.). 



Thorax rather flat on the disk, with a mesial fine impressed line 

 (not extending to the anterior nor posterior margins), the sides 

 gently reflexed. Elytra with the fourth, sixth, and eighth costa? 

 extending to the apex, by which means the first, second, and third 

 are somewhat abbreviated ; the fifth and seventh costa) join the 

 sixth some distance from the apex, the ninth is only visible at the 

 shoulder when viewed laterally ; the interstices have each a single 

 line of strong, transverse punctures. The texture of the elytra is 

 delicate, and is semitransparent where the punctures are. The third 

 joint of the antenna; has only a short branch, but the branches to 

 the following joints gradually increase in length, are slender and 

 lamelliform. 



PLATEROS. 



Bourgeois, Comptes-rendus d. I. Soc. Ent. Belg., 1879. 

 Lycus, genus 18, Waterh., Trans. Ent. Soc, i878, p. 100. 



Rostrum none. Antenna? slender and simple in both sexes. Tho- 

 rax even above, with only a slight longitudinal mesial impression 

 behind. Elytra with nine costa?, the interstices with a single line 

 of punctures. 



In my original manuscript the genus Plateros was intended only 

 to include Eros lictor, Newm., and other American species ; a more 

 detailed examination of the species, however, has induced me to 

 include in it the Asiatic forms separated originally under the head 

 of " Genus 16 " (Tr. Ent. Soc, 1878, p. 99), of which gracilis was 

 the type. 



American Species. 



Plateros lictor. 



(Plate VIII. fig. 5.) 



Eros lictor, Newm., Entom. Mag., 1888, v. p. 382. 



Niger ; thoracis latcribus flavis, elytris novemcostatis ; interstiliis 

 uniseriatim punctatis. <5 . Long. 3| lin. 



Hah. North America. 



Antenna? not less than half the length of the entire insect, tin 

 third joint at its ;tpex nearly as broad as its length, the fourth joint 

 the sani^ width at the apex but a trifle longer, the following joints 



