DIPHYRAMA.~——-RHOPALOPHORA. 61 
1. Diphyrama singularis. (Tab. V. fig. 12.). 
Diphyrama singularis, Bates, Trans. Ent. Soc. 1872, p. 188. 
‘Hab. Nicaragua, Chontales (Belt). 
LISTROPTERA. 
Listropiera, Serville, Ann. Soc. Ent. Fr. 1834, p. 71. 
Eight species have been described of this genus, all from Tropical South America. 
One of them extends its range far into Central America. 
1. Listoptera aterrima. 
Listroptera aterrima, Germar, Ins, Spec. Nov. p. 497 ; Bates, Trans, Ent. Soc. 1872, p. 188 *. 
Hab. Nicaraaua, Chontales (Belt ?, Janson) ; Costa Rica (Rogers).—SoutH AMERICA to 
Santa Catharina, SoutH Brazi. | 
- DIHAMMOPHORA. 
Dihammophora, Chevrolat, Arcana Nature, p. 51 (1859) ; Lacord. Gen. Col. ix. p. 108. 
Listroptera (partim), White, Cat. Long. Col. B. M. ii. p. 207. 
Also an exclusively American genus, ranging in the south as far as Buenos Ayres, 
and in the north to the tierras calientes of Mexico. Sixteen species have been 
described. 
1. Dihammophora chontalensis. (Tab. V. fig. 13.) 
Dihammophora Chontalensis, Bates, Trans. Ent. Soc. 1872, p. 188. 
| Hab. Nicaracua, Chontales (Lel¢). 
2. Dihammophora aurovittata. 
D. marginicoll similis, at thoracis vittis sericeo-pubescentibus; linearis, postice vix dilatata, atra; frontis 
marginibus auro-sericeis; thorace lineari, dorso atro, vittis duabus (marginem posticum vix attingentibus) 
auro-pubescentibus sericeis (vitta dorsali nigra nuda grosse punctata), subtus fulvo; elytris crebre sub- 
lineatim punctatis, lateribus anguste bicostatis ; pedibus nigris, nitidis, femoribus basi flavo-testaceis. 
Long. 3 lin. 
Hab, GuateMaa, Capetillo, Zapote (Champion). 
3. Dihammophora dispar. 
Dihammophora dispar, Chevr. Arc. Nat. p. 52. 
Hab. MEXIico. 
RHOPALOPHORA. 
Rhopaiophora, Serv. Ann. Soc. Ent. Fr. 1834, p. 100; Chevr. Arc. Nat. p. 57. 
Tinopus, Leconte, Journ. Ac. Phil. ser. 2, ii. p. 19. 
Twenty-five species of this elegant genus have been described, all American. 
Although most numerous in the tropical region, the genus extends into temperate 
