398 Mr. H. W. Bates on Cerambycidce 



utrinque macula magna flava; scutello flavo; elytris 

 huraeris, regioue scutellari, macula prope basin elongata 

 obliqua triangulari, alteraque triangular! communi huic 

 adjacente, et fascia abbreviata angusta versus apicem, 

 laste flavis; pectore flavo-rufo, fiavo-tomentoso ; abdo- 

 mine fasciis quatuor flavis; tarsis rufescentibus. 



Long. 6 lin. 



Hab. — Para. 



6. Mecometopus ruhef actus, n. sp. 



Cylindricus, fulvo-piceus, capite antennis et thorace 

 fulvo-rufis; hoc oblongo-ovato, postice utrinque macula 

 magna flava ; elytris fascia basali (scutellum includente) , 

 litura sub-humerali^ macula propc basin elongata obliqua 

 triangularis alteraque huic adjacente communi triangulari, 

 et fascia postica ad suturam haud interrupta, laate flavis, 

 parte apicali rufo-tincta ; pectore et fasciis quatuor vcn- 

 tralibus flavis; pedibus fulvo-piceis. 



Long, 4^-54 lin. 



Hah. — Ega; on branches of dead trees. 



Described from four examples. Allied to M. amahilis, 

 Chevrolat, wliich wants the posterior fascia, and has the 

 anterior oblique spot of a difl'erent form. 



7. Mecometopus latecinctus, n. sp. 



Cylindricus ; capite, antennis (clava nigra excepta) , et 

 tliorace fulvo-rufis ; hoc oblongo-ovato, postice utrinque 

 griseo-sericeo ; scutello flavo ; elytris nigris, macula prope 

 basin elongata obliqua triangulari, altei'aque adjacente 

 communi triangulari, et fascia lata haud distante, laste 

 flavis, parte apicali flavo-cinerea ; pectore et fasciis 

 quatuor ventralibus flavis ; pedibus rufis. 



Long. 4 5 lin. 



Ilah. — St. Paulo, Upper Amazons. 



The black ground colour of the elytra in this species 

 forms bands much narrower than the yellow belts and 

 spots. 



8. Mecometoptis purus, n. sp. 



M. hfto valde aflinis ; diflert elytris basi uigerrimis, 

 macula prima antice haud truncata, antennis clava nigra ; 



