AURIVILLIUS, COLEOPTERA LONGICORXIA. 13 



312. Parathyastus alboconspersus n. sp. — Niger, griseo-, 

 ad latera sterni albido-tomentosus; vertice, pronoto, elytris 

 antennisque nigris albido-signatis; vertice lineis duabus postice 

 divergentibus, pronoto lineis 4, elytris guttulis numerosis al- 

 bidis; antennarum articulis 3 — 5 dimidio saltem basali albido, 

 6:o intus ad basin albido, articulis 3 — 11 sensim brevioribus; 

 pronoto dense punctulato utrinque in medio leviter rotundato; 

 elytris usque ad apicem dense punctatis et ad basin subgra- 

 nulatis. Long. corporis 13 mm. 



Borneo : Baram. — Reichsmuseum in Stockholm. 

 Erinnert durch die Zeichnung etwas an einer Acridocephala. 



313. Idactus transversus n. sp. — Fuscus, pube densa 

 albida, flavescente-variegata vestitus; capite vix punctato, 

 flavescente-griseo, fronte inter oculos vage et obsolete fusco- 

 fasciata; vertice immaculato; antennis corpore paullo longi- 

 oribus griseis apice articulorum 3 — 11 et 2:o toto fuscis; 

 prothorace subquadrato, utrinque in medio late et obtuse 

 subobsolete dentato, inträ basin et apicem bilineato, supra 

 in medio trituberculato tubercuio medio ceteris vix altiore, 

 utrinque vitta laterali nigrovelutina ornato et super vittam 

 flavescente-tincto; scutello flavescente griseo; elytris albidis, 

 fascia transversa subbasali et altera pone medium ad latera 

 cum priore conjuncta sordide flavescentibus, vittaque tenui 

 obliqua nigra a margine pone humeros suturam versus ducta 

 et altera pone medium omnino transversa suturam attingente 

 ornatis, crista brevi serrata basali instructis, fasciculis autem 

 omnino destitutis, apice maculis binis plus minus connexis flavo- 

 griseis prseditis; corpore infra albido, vix variegato, metasterno 

 in medio brunneo, abdomine utrinque maculis parvis obscuris 

 notato; articulis duobus ultimis tarsorum et apice tibiarum 

 nigris. Long. corporis 11 — 12 mm. 



Deutsch Ost-Afrika: Namupa. — Reichsmuseum in Stock- 

 holm; Collectio Ertl. 



314. Idactus serratus n. s. — Griseus, fusco-variegatus, 

 vitta utrinque obliqua intus retrorsum hamata verticis nigra, 

 medio pronoti, basi apiceque elytrorum fusco-nigro-variegatis; 

 fronte fusco-brunnea, plana, subquadrata, inter antennas late 

 et profunde emarginata; antennis feminae corpore paullulo 

 longioribus, punctis et maculis brunneis conspersis, articulis 



241 



