OCR Text |
Show 1878.] GEODEPHAGOUS COLEOPTERA. 601 antice et postice grosse punctato; elytris thorace vix latioribus, parallelis, striis conspicue punctatis, omnibus acute impressis. 3 tibiis intermediis medio intus haud dentatis. Long. 7\ lin. 3 2 • Hab. Mexico, near the capital (Flohr). Differs from C. substriatus by its larger size and more robust proportions, and by the stronger and more uniform striation of the elytra. The 3 is destitute of the broad tooth on the inner side of the middle tibiae. Immature individuals are reddish piceous with paler margins. DlPLOHARPUS EXSTRIATUS. Oblongo-ovatus, supra leevissimus eeneo-relucens, subiridcscens; par-tibus oris, antennis pedibusque fulvis; mandibulis longissimis, rectis; thorace ovato, marginibus postice explanato-elevatis, angulis posticis rotundatis •; elytris absque striis, marginali excepta. Long. 3f lin. Hab. Chontales, Nicaragua (Belt). PERICOMPSUS LONGULUS. Elongatus, parallelogrammicus, castaneo-piceus, capite margini-busque thoracis rufis; elytris fulvo-testaceis plaga mediana oblonga communi (postice usque ad marginem dilatata) nigro-picea; par-tibus oris, antennis pedibusque pallidis; thorace transverso, postice fortiter sinuatim angustato, angulis posticis rectis, marginibus paullo explanato-reflexis. Long. 1 lin. Hab. Mexico, near the capital (Flohr). XYSTOSOMUS BELTI. Elongato-ovatus, modice convexus, politus, viridi-eeneus, elytris aureo tinctis ; antennis fulvis, pedibus rafo piceis, corpore subtus piceo ; foveis frontalibus longis ab sulculo oculari utrinque carina separatis; oculis maximis; thorace transverso, antice prope angulos fortiter rotundato-angustato, postice haud angustato, angulis posticis rectis ; elytris striis punctulatis novem, 1*«*_3**»» v{x (m_ pressis (lma versus apicem excepta), Aa-]am apice evanescentibus. Hab. Chontales, Nicaragua (Belt). XYSTOSOMUS OLIVACEUS. X. belti affinissimus; differt colore supra omnino olivaceo-ceneo, antennis obscure cinereis, articulis 4 basalibus piceis; thorace transverso, antice subito rotundato-angustato, postice haud angustato, sed leviter sinuato, angulis posticis acutis; elytris paullo convexis, ovatis, mox pone humeros rotundato - dil atatis, margineque explanato et fortiter reflexo, punctulato-striatis, striis \a-3am vix impressis,- pedibus et palpis obscure piceis, articulo subulato rufo. Long. 2j lin. Hub. Chontales, Nicaragua ( Belt). PROC. ZOOL. Soc-1878, No. XXXIX. 39 |