Head very small and black. Antennæ black, about half the length of the insect. Thorax shining, punctated, and of a deep blue, almost black, being surrounded with a circular line of a cream colour, and which is divided in the middle, the sides terminating in two black angular spines. Scutellum large, {64}glossy, triangular, and black, the tip being cream-coloured and punctated. Hemelytra brownish, tinged with blue, the extremities being blueish black. Abdomen red above, edged with orange and black; deep yellow beneath, with black spots on the edge. Legs deep yellow, tibiæ black. Tarsi black above, yellow beneath. CERBUS UMBROSUS. Plate XLV. fig. 7. ORDER: Hemiptera. SUBORDER: Heteroptera. SECTION: Geocorisa. FAMILY: Coreidæ, _Leach_. GENUS. CERBUS, _Hahn._ Anisoscelis, _Latr._ Lygæus, _Fabr._ CERBUS UMBROSUS. Obscurè fulvescens, pronoti disco striis tribus nigris, antennarum articulo ultimo fulvo, elytris striis obliquis nigris notatis, membranâ apicali æneâ nitidâ, femoribus tibiisque posticis serratis. (Long. Corp. 1 unc. 3 lin.) SYN. Cimex umbrosus, _Drury_, _App. vol._ 3. HABITAT: Brazil. Head and thorax dark orange, the latter with three longitudinal streaks of a darker colour. Antennæ dark orange and black, the last articulation orange. Scutellum triangular, and dark brown. Hemelytra striated with dark orange and brown, the extremities being of a bronze-colour and glossy. Abdomen darker than the other parts. Rostrum extending to the middle legs. Legs orange-brown, the hinder ones having the thighs and tibiæ serrated. HAMMATOCERUS CONSPICILLARIS. Plate XLV. fig. 8. ORDER: Hemiptera. SUBORDER: Heteroptera. SECTION: Geocorisa. FAMILY: Reduviidæ, _Leach_. GENUS. HAMMATOCERUS, _Burm._ Hammacerus, _Laporte_. Cimex, _Drury_. HAMMATOCERUS CONSPICILLARIS. Niger, elytris basi albis, maculâ irregulari nigrâ, abdominis marginibus rubro-maculatis. (Long. Corp. 1 unc. 1½ lin.) SYN. Cimex conspicillaris, _Drury_, _App. vol._ 3. _Laporte Hemipt._ _p._ 79. _Burmeister Hem._ _p._ 236. 2. HABITAT: Brazil. Head small and black. Antennæ setaceous, black, and about half the length of the insect. Thorax black. Scutellum triangular and black, but tipped with white. Hemelytra black, the base white, whereon is an oblong black spot. Abdomen dark red, edged with dark red and black. Rostrum short and curled, not reaching to the fore legs. Legs black. PLATE XLVI. [Illustration] PENTATOMA CATENA. Plate XLVI. fig. 1. ORDER: Hemiptera. SUBORDER: Heteroptera. SECTION: Geocorisa. FAMILY: Pentatomidæ. GENUS. PENTATOMA, _Latreille_. Cimex, _Fabr. Drury_. PENTATOMA CATENA. Albida, pronoti dorso maculâ magnâ nigrâ, lineâ tenui albâ in medio divisâ, scutello maculâ basali, alterâ subapicali, membranâque elytrorum nigris. (Long. Corp. lin. 7½.) SYN. Cimex catena, _Drury_, _App. vol._ 3. HABITAT: Brazil.