51 



atque fascia lata communi pone media rufis, pronoto vix latioribus, plus quam 

 sesqui longioribus, ad humeros latissimis, postice attenuatis, leviter et confertim 

 punctatis, interstitiis glabris, nitidis, stria suturali iudistiucta, lateribus leviter mar- 

 ginatis, apicibus angustatis, leviter rotundatis ; abdomine longius exserto, piceo ; 

 pedibus longis, Isete flavis ; antennis longis, obscure flavis, articulis 5 et 7 in- 

 crassatis. 



Body elongate-ovate, convex, rather shining, moderately clothed with golden hair, 

 moderately punctured, nigro-piceous, with the thorax, a spot near the shoulder, 

 and a very broad fascia beyond the middle of each elytron, red. 



Head small, castaneous ; eyes small ; antennae long, dusky yellow, with the fifth 

 and seventh joints incrassated. 



Thorax rather broad, ovately rounded, broadly reflexed, and pellucid in front, red 

 with the disc more or less dusky, minutely and closely punctured, with the 

 interstices smooth and shining, basal line distinct, basal margin sinuated, with 

 the angles right angles. 



Scutellum moderate, obtusely triangular. 



Elytra nigro-piceous, with a spot at the base of each and a very broad transverse 

 fascia beyond the middle red, scarcely broader, but more than one-half longer 

 than the thorax, widest at the shoulders, rather attenuated posteriorly, lightly 

 and closely punctured, with the interstices smooth and shining, sutural stria 

 indistinct, sides slightly margined, extremities narrow and slightly rounded. 



Abdotni'ii much exposed, piceous. 



Legs long, bright yellow. 



Under parts entirely castaneous. 



Differs from others in its semi-ovate thorax, attenuated elytra, fine sculpture, dis- 

 position and shape of the markings, and enlarged fifth joint of its antennae. 



Habitat, Central America. Found in Mexico near Guanajuato. 



Sacium bicolor, sp. n. 



L. c. ^J lin. = l"37 mm. — Ovale, modice convexum, baud nitidum, pilis aureis 

 dense vestitum, profundissime punctatum, elytrorum dimidio basali nigro, dimidio 

 apicali atque pronoto rufis ; pronoto sat magno, rufo, antice circulariter rotuudato, 

 reflexo, et pellucido, profundissime et remote punctate, interstitiis glabris, nitidis, 

 linea basali obsoletii, margiue basali leviter sinuata, angulis acutis ; eli/tris sat 

 brevibus, pronoto haud latioribus, sesqui longioribus, prope media latissimis, ]ivo- 

 funde et remote punctatis, interstitiis glabris, nitidis, dimidio basali nigro-piceo, 

 apicali rufo, stria suturali distincta, lateribus leviter marginatis, apicibus contractis, 

 modice rotundatis ; abdomine rufo, modice exserto ; pedibus robustis, Isete flavis ; 

 antennis brevibus, obscuris. 



Body oval, moderately convex, not shining, thickly covered with golden hair, very 

 deeply punctured, basal half of the elytra nigro-piceous, apical half and the 

 thorax rufous. 



Head moderate ; eyes small and prominent ; antennae short, dusky. 



Thorax rather large, rufous, circularly rounded, reflexed, and pellucid in front, very 

 deeply and remotely punctured, with the interstices smooth and shining, no 

 basal line, basal margin faintly sinuated, with the angles acute. 



Scutellum moderate, rufous, and punctured. 



Elytra rather short, not broader, but one-half longer than the thorax, widest near 

 the middle, deeply and remotely punctured, interstices smooth and shining, 

 basal half nigro-piceous, apical half rufous, sutural stria distinct, sides slightly 

 margined, extremities contracted and moderately rounded. 



Abdomen rufous, moderately exserted. 



Legs robust, bright yellow. 



