Monographie des CHRYSOMÉLroEs de l'Amérique. 



173 



thorax ante médium sensim rotiindato-angustatus , remote, distincte, basi nonnihil for- 

 tins punctatus, lateribus, basi excepta, late stramineis. Scutellum lœve. Elytra eburuea, 

 distincte seriatim punctata, vitta commuui suturali latiuscula, utriusque macula trans- 

 versa liumerali raaculaque subrotundata majore paullo pone médium, margini laterali 

 appropinquata, nec non margine iuflexo basi et pone médium nigris. Prostethium 

 utrimque stramineum. Pedes testacei. 



cf Segmento ventrali ultimo apice truncato. 



321. Chrysomela semistriata Fabr. 



Supra sti-aminea, subtiis cum capite pedibusque picea, his dilutiori- 

 bus; prothorace plaga maxima basali nigro-picea; elytiis vitta angusta su- 

 turali, fascia média lineisque longitudinalibus, ad fasciam interntptis, nigris. 

 Long. 11, Lat. 7 millim. 



Chnjsomela semistriata Fabr. Syst. Ent. p. 96. 12. (1775). 



„ „ „ Spec. Ins. I. p. 119. 19. (1781). 



„ „ „ Mant. Ins. L p. 69. 26. (1787). 



„ „ „ Ent. Syst. I. p. 316. 43. (1792). 



„ „ „ Syst. Eleuth. I. p. 433. 66. (1801). 



„ „ Oliv. Eue. meth. Ins. V. p. 696. 36 (1790). 



„ „ „ Entomol. V. p. 516. 17. PL 2. fig. 



23. (1807). 



Patria: Brasilia. (Mus. Hoîm., CoU. Chevrolat) 



Statura prfecedentium. Ovalis, sat convexa, nitida, picea. Caput remote, di- 

 stincte punctulatum; palpis dilutioribus. Auteuuaj testaceaî, articulis quiuque ultimis 

 latitudiui suba;quilongis, clavam gracilem, minus distiuctam, formantibus. Protliorax 

 elytris nonnihil angustior, antrorsum seusim nonnihil angustatus, dilate flavescens, 

 Isevis, plaga maxima basali, antrorsum ultra médium extensa, antice emarginata, 

 nigro-picea, remote, distincte punctata. Scutellum Iseve, nigrum. Elytra distincte 

 striato-puuctata, sordide stramiuea, limbo margineque iuflexo dilute flavesceutibus, 

 vitta angusta suturali, fascia média lineisque compluribus longitudinalibus abbreviatis, 

 ad fasciam interruptis, nec non fascia média basique marginis inflexi nigris. Latera 

 prostethii auguste dilute flavescentia. 



322. Chrysomela segnis Stal. 



Nigro-picea; prothorace dilute tlavescente, plaga magna basali nigra; 

 elytris sti-amineis, dilute flavescente-limbatis, sùiato-pitnctulatis, vitta sutu- 

 rali, fascia média, nec non marginis inflexi basi maculaque nigris; antennis 

 testaceis; tibiis tarsisque dilute piceis. Long. 11, Lat 7 millim. 



Pati'ia: Rio Janeiro. (Mus. Helsingf., Holm.) 



C. semistriatœ simillima, elytrorum seriebus punctorum haud nigro-lineatis. 

 Ovalis, sat convexa, nigro-picea, nitida. Caput remote, distincte punctatum; palpis 



