MALAYAN ANTHRIBIDAE 625 



sparsim albo-griseo pubescenlibus , pube art. 8^ densiore, clava 

 nigro-velutina; singulo elytro tuberculo valde elevato ad eius latus 

 gibbositate laevi instructo armato, distinguendus. 



Hab. Siboga, Sumatra (Modigliani) ; 1 c/', 2 9 9 . 



The tubercle on each elytron is more than twice as high as 

 in albogultatus (1894); the dots of the pronotum and elytra are 

 bufRsh ; in other respects sumatranus is very close to the Javan 

 albogultatus. 



4. Physopterus biplaglatus, spec. nov. 



9 . Ph. brunneo-niger, pube brunnea griseo-liitoso variegata, infra 

 griseo-alba vestitus. Rostrum ut in Ph. alboguttato fere structum, 

 basi angustius, fossa dorso-laterali basali abbreviata profunda. Oculi 

 magis quam in caeteris speciebus hujus generis approximati. Oc- 

 ciput utrinque macula magna nigra triangulari notatum. Antennae 

 nigrae, articulo 1° tertio longiore, 2° crasso tertio longitudine sub- 

 acquali, 5°-8° gradalim brevioribus, 8° latitudine triente longiore, 

 9° duobus sequentibus paulo breviore. 



Prothorax longitudine fere duplo latior; carina laterali a supero 

 visa prominente, dorsali parum, flexuosa; disco ante medium sub- 

 depresso; lutoso variegatus: linea ìnediana incompleta, duabus guttis 

 in disco sitis, ?ionnullis lineis subbasalibus sat bene expressis. 



Elytra inermia, ab humeris trans medium usque parum angustata, 

 prothorace latiora; leviter striata, interspatiis indistincte brunneo et 

 lutoso tessellatis, humeris {denudatis brunneis) 7iigro-velutinis; plaga 

 rotmida postmediana intra striam tertiam et margineni lateralem 

 nigro-velutina griseo-lutosa marginata. 



Pedes rufi; tibiis apice tarsisque nigris; his articulis \° et 4<' 

 apicibus exceptis albo-griseo-pubescentibus. 



Long, rostr. 1 V2 ' proth. 1 V4 » elytr. 4 V5 mm. 



Lat. » 1 V5 , » 2 V4 , » 3 



Hab. Si-Rambé , Sumatra (Modigliani) ,299. 



b. Sintor bicallosus (1866), Lacordaire, Gen. Col. VII, p. bll, 

 note 1 (Java). 



Two males and a female from Sumatra agree very well with 

 Javan specimen , but have the fuscous markings of the elytra a 

 little less distinct. A single male from Ajer Mantcior (Beccari, 



Ann. del Mux. Civ. di St. Nat. Serie 2.', Vol. XVIII (28 Dicembre 1897) -10 



