Species of Agra of the Amazons Region. 373 
Para. A. ruficornis seems to differ from the typical subenea only 
in its larger size and duller colouring. The following diagnosis, 
condensed from the description of Klug, will serve to facilitate 
comparison :— 
(c.) A. ruficornis, Klug, Entom. Monogr. p. 33, pl. il. fig. 6. 
Valde attenuata, nigro-znea, foveolis elytrorum violaceo-zneis, 
antennis pedibusque rufo-piceis; capite perangustato, tho- 
race profunde et irregulariter punctato; elytris apice trun- 
catis, tridentatis, dente externo acuto, secundo approximato 
obtuso, interno obtusissimo. 
¢ Long. 63 lin. 
Hab, Para. 
16. Agra femoralis, Chaudoir. 
Agra femoralis, Chaud. Ann. Soc. Ent. Fr. 1861, p. 120. 
A. angustata, znea, elytris cuprescentibus, antennis (articulo 
basali piceo excepto), tibiis tarsisque testaceo-rufis, femoribus 
piceis, nitidis; capite angusto-ovato, pone oculos minus elon- 
gato, rotundato-attenuato, oculis magnis; thorace angusto, 
antice sensim attenuato, grosse punctato, interstitiis glabris, 
tenuibus; elytris postice vix ampliatis, truncatura prope 
angulum externum sinuat& angulum medianum formante, 
deinde usque ad suturam fere recta; elytris foveolis in striis 
impressis ordinatis. 
4 Metasterno, tibiis segmentisque ventralibus fere glabris ; 
tarsis anticis articulo basali a basi dilatato. 
Long. 64 lin. 
Ega. 
The species was not uncommon, but I have neglected to reserve 
specimens of both sexes for my own collection. 
17. Agra tibialis, Chaudoir. (BE SX fic 272.) 
Agra tibialis, Chaud. Ann. Soc. Ent. Fr. 1861, p. 121. 
A. femorali forma, colore et sculptura similis ; major, elytris 
oblique subflexuoso-truncatis, nullomodo bisinuatis ; eenea, an- 
tennis tibiis tarsisque rufescentibus, femoribus nigro-piceis ; 
corpore subtus utroque sexu glabro. 
¢ Tarsis anticis articulo primo abrupte dilatato. 
@ Tarsis anticis articulo primo simplici, antennis articulo 8’° 
nullomodo abbreviato. 
Long. 8—9 lin. 
