30 LYCID^. 



Closely resembles the preceding, but has the elytra more finely 

 sculptured &c. Antennse fuscous ; the first and second joints yellow, 

 the third joint scarcely larger than the second. Thorax pale yel- 

 low, with two impressions on each side within the lateral margins ; 

 the mesial posterior channel fine, the anterior margin obscurely 

 punctured. Elytra pale fuscous, with a tinge of yellow around the 

 base, closely and more finely punctate-striate than in the preceding 

 species ; the interstices extremely narrow, the second and fourth a 

 little more distinct at the base. Abdomen fuscous. Part of the 

 femora, the tibige, and tarsi slightly fuscous. 



This species must not be confounded with Plaieros expletus above 

 described, which it closely resembles. The small third joint of the 

 antennae at once separates it. 



MELAMPYRUS. 



Rostrum none. Antennse serrate, moderately broad. Thorax 

 even above, with a mesial longitudinal impression behind. Elytra 

 with nine costae, the alternate ones more elevated. Thorax and 

 elytra pubescent. 



This genus is proposed for two species which dififer from Plateros 

 chiefly in being more pubescent and in having the antennse broader. 

 From Ditoneces they differ in having the alternate costae of the 

 elytra more elevated. 



Melampyrus alternans. 



(Plate VIII. fig. 7.) 



Lycus (gen. 19) alternans, Waterh., Trans. Ent. Soc.,\S7S, pp. 100&108. 



Ater ; antennis latis, dentatis ; thorace antice omnino rotundato, 

 medio postice longitudinaliter impresso, angulis posticis acutiusculis ; 

 elytris dimidio basali ferrugineo, novemcostatis, costis alternatis 

 elevatis, interstitiis uniseriatim punctatis. $ . Long. 4| lin. 



Hah. Sarawak ( Wallace). 



Having only the female of this species, its position is a little 

 doubtful ; its appearance is rather different from that of the species 

 of Ditoneces, owing chiefly to the elevated alternate costae of the 

 elytra ; but if the male should be found to have pectinate antennae, 

 it may have to be associated with that genus. 



Melampyrus misellus. 



(Plate VIII. fig. 6.) 



Lycus (gen. 19) misellus, C. Waterh., Trans. Ent. Soc, 1878, pp. 100 

 &108. 



Nigro-fuscus, pubescens ; thorace, scutello elytrisque rufis ; an- 

 tennarum articulo apicali ferrugineo ; thorace medio longitudinaliter 



