186 LONGICORNIA. 
SYNCHYZOPUS. 
Synchyzopus, Thomson, Syst. Ceramb. p. 29. 
Colobothea (partim), Perty, Del. Anim. Art. Bras. p. 97. 
Three species of this genus have been described; but many others exist unpublished 
in collections, all remarkable for the varied and elegant style of their markings. The 
genus appears to be confined to Tropical America. 
1. Synchyzopus geometricus. (Carterica geometrica, Tab. XIV. fig. 9.) 
Synchyzopus geometricus, Bates, Trans. Ent. Soc. 1872, p. 224". 
Hab. Nicaraeva, Chontales (Belt 1, Janson). 
CARTERICA. 
Carterica, Thomson, Class. Long. p. 19 (1860) ; Lacordaire, Gen. Col. ix. p. 827. 
Six species have been described, all ‘Tropical-American. 
1. Carterica optata. 
Carterica optata, Pascoe, Trans. Ent. Soc. ser. 3, v. p. 284°. 
Hab. GuatemaLa, Panzos (Champion).—SovutH America, Colombia}. 
This species differs from the type forms of Carterica in its shorter antennal scape and 
in its elytra tapering towards the extremity instead of being parallel or slightly dilated 
towards the apex. In these respects it accords better with Synchyzopus. The terminal 
abdominal segment in the male is remarkably elongated and deflexed, with cleft apex 
of the dorsal plate, and the large side pieces of the genital apparatus protruding between 
this and the ventral plate. The dorsal plate in the typical species C. cinctipennis is also 
notched, but in a much lesser degree. 
2. Carterica pygmea. 
Carterica cincticornis (Bates), var., Bates, Trans. Ent. Soc. 1872, p. 238 (nec C. cincticornis, Bates, 
Ann. & Mag. N.H. ser. 3, xv. p. 214). 
C. cincticorni affinissima, at differt certe elytrorum carina laterali incrassata integra, necnon coloribus. Parva, 
paullo convexa, setosa, nigra ; capite thoraceque fulvis, vitta lata nigra utrinque ab oculi margine usque ad 
mesosternum ducta alteraque dorsali thoracis; elytris nigris, vitta utrinque laterali lata fulva a basi usque 
ultra medium extensa; antennis nigris, articulis 4°-8™ albo-testaceis, apice nigris, scapo longissimo ; 
femoribus basi fulvo-testaceis; thorace trapezoidali angulis posticis acutis; elytris postice leviter rotundato- 
dilatatis, apice apud suturam oblique truncatis, extus sinuatis, angulo exteriore producto acuto, quasi 
utrinque bidentatis, dorso crebre punctatis, carina dorsali, altera incrassata integra laterali, epipleuris 
angustissimis. 
Long. 2 lin. 
Hab. Nicaragua, Chontales (belt). 
This species and C. cincticornis approach very nearly the genus Sparna (Thomson). 
I doubt, however, whether this will eventually prove distinct from Carterica. 
