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Show 1889.] COLEOPTERA OF THE GENUS DIABROTICA. 95 36. DIABROTICA ^ENEIVENTRIS, sp. nov. Anguste ovata, postice ampliata, convexa, nigro-cenea, nitida; tibiis, tarsis, scutello capiteque nigris; antennis basi piceo-fulvis, articulis externis quatuor, ultimi (apice excepto) pallide flavis; thorace trifoveolato femoribusque flavis, his nigro lineatis; elytris tenuiter, sat crebre punctatis, viridi-ameis, utrisque limbo externo, maculis duabus infra basin positis, fascia curvata vix pone medium, utrinque abbreviata, maculaque subapicali ad limbum adfiixa, flavis. Long. 5 lin. Hab. Ecuador. 37. DIABROTICA BIPARTITA, sp. nov. Oblonga, postice ampliata, convexa, flava, nitida ; capite thoraceque nigris, hoc transversim sulcato, basi anguste piceo; antennis flavis, articulis primo et intermediis nigris; elytris postice paullo ampliatis, convexis, infra basin excavatis, crebre punctatis, disco antico, limbo externo excepto, fasciaque angusta vix pone medium viridi-ceneis, spatio inter hanc fasciam et discum anticum elevato. Mas. Elytris ante apicem juxta suturam vitta brevi elevata instructis. Long. 4 lin. Hab. Ecuador. 38. DIABROTICA ERYTHROPTERA, sp. nov. Ovata, postice ampliata, convexa, nigra, nitida, elytris rubris thorace arcuatim sulcato, sulco trifoveolato; elytris crebre punctatis. Long. 3J lin. Hab. Peru. 39. DIABROTICA ALBIDO-VITTATA, sp. nov. Ovata, postice paullo ampliata, convexa, nigro-picea, nitida, femoribus basi flavis, capite thoraceque piceo-rufis ; antennis nigris, articulis octavo nonoque albidis, thorace profunde bifoveolato; elytris piceo-nigris, subnitidis, elevato-vittatis, costa tertia a sutura latiore, utrisque limbo externo costaque tertia albidis, apicibus confluentibus. Long. 3 lin. Hab. Brazil. These descriptions are all based upon specimens in my own collection. |