POLYRHAPHIS.—OREODERA. 133 
3. Polyrhaphis angustata. (Polyrhaphis elongata, Tab. X. fig. 3.) 
Polyrhaphis angustata, Buquet, Ann. Soc. Ent. Fr. 18538, p. 4441; Bates, Trans. Ent. Soc. 1872, 
p. 2362, i 
Hab. Nicaraaua, Chontales (Belt ?).—Soutnu America, Cayenne !, Amazons. 
ACROCINUS. 
Acrocinus, Mliger, Magaz. v. p. 247 (1806) ; Dalman in Schénh. Syn. Ins. 1, iti. p. 347, nota (1817) 
Serville, Ann. Soc. Ent. Fr. 1835, p. 16; Lacordaire, Gen. Col. ix. p. 733; Bates, Ann. & Mag. 
Nat. Hist. ser. 3, viii. p. 47. 
Macropus, Thunberg, Gotting. Gel. Anz. xxix. p. 282 (1805), nom. preoce. 
Macropophora, (partim) Serville, Ann. Soc. Ent. Fr. 1835, p. 18 ; (partim) Thomson, Syst. Céramb. 
p- 15 (1864) ; Lacordaire, Gen. Col. ix. p. 734. 
Four species are known of this conspicuous genus, which includes the well-known 
“ Harlequin beetle” of collectors. The form is peculiar to Tropical America. 
1. Acrocinus longimanus. 
Cerambyx longimanus, Linneus, Syst. Nat. ed. 10, 1. p. 388. 
Prionus longimanus, Olivier, Ent. no. 66, p. 6, t. 2. f. 12 6 et f. 12¢. 
Acrocinus longimanus, Serville, Ann. Soc. Ent. Fr. 1835, p. 17. 
Hab. Mexico; British Honpuras, R. Sarstoon (Blancaneaux); GuatemaLa, Coban 
(Sarg.); Nicaragua, Chontales (Belt).—SovrTu America to Santa Catharina, South 
Brazil. | 
The colouring of this extraordinary insect becomes less rich in the more northerly 
parts of its range. The finest and brightest-hued examples are from South Brazil. 
OREODERA. 
Oreodera, Serville, Ann. Soc. Ent. Fr. 1835, p. 19. 
Thirty-six species of this genus have been described. Like Acrocinus, to which it is 
closely allied, the group is peculiar to and highly characteristic of the Tropical-American. 
fauna. The genus does not appear to occur beyond the tropics; nor is any species 
recorded from the West-Indian Islands. 
1. Oreodera glauca. (Tab. X. fig. 6.) 
Cerambyzx glaucus, Linneus, Syst. Nat. ed. 10, i. p. 390; ed. 12, ii. p. 626. 
Lamia glauca, Fabricius, Ent. Syst. 1. p. 274. 
Lamia Spengleri, Fabricius, Ent. Syst. 1. p. 291. 
Oreodera glauca, Serville, Ann. Soc. Ent. Fr. 1835, p. 20'; Bates, Trans. Ent. Soc. 1872, p. 2037. 
Hab. Mexico, Oaxaca (Sallé); Nicaragua, Chontales (Belt ?).—SovutH AMERICca, 
Guiana, Amazons |. 
, 
' nn 
misiones ,Avaennne 
> fost. FL Manvos FIs 
