TRICHIUS (ARCHIMEDIUS) DELTA. 



Plate XXX. fig. 1, natural size — fig. 2, magnified. 



Order: Coleoptera. Section: Lamellicornes. Family: C'etoniida', il/or /.«;//• 



Genus. Tricuiub, Fabr. Scaraboeus p. Brtiry. Siibgents: Archimedius, KirbyhiZooI.Joiu-n.No.lO. 



Trichius (Akchimedius) Delta. Thorace nigro, triangulo albo, clytris testaceis puncto fusco. (Long. Corp. 

 5 lin.) 



Syn. Scarab;iiiis Delta, Drunj, Apj). vol. 2. Fabr. Syst. Ent. p. 41. 7. Syst. El. U.p. 133. 14. (Trichius D.) 

 OUc. Eat. 1. Q.p. 64. t. 11./;/. 107. 



Habitat : Virginia, North America. 



Head rather large and quadrangular ; black and cream-coloured on the upper part, red brown near 

 the mouth. Eyes large, black, and prominent. Antennae red brown. Thorax margined with cream 

 colour, the extreme edge being black; having a black circular patch tliereon, and a cream-coloured 

 triangular mark within it. Scutellum cream, surrounded or edged with black ; having a black streak 

 down its middle, and just below it the suture is cream colour. Elytra dull orange, with a black spot 

 near the middle of each. Body and abdomen ash-coloured. Thighs and tibiae tawny orange. Tarsi 

 .5-jointecl ; the hinder ones being remarkably long. 



CHASMODIA? VIRENS. 



Plate XXX. fig. 3. 



Order : Coleoptera. Section : Lamellicornes. Family : Butelida?, Mac Leay. 



Genus. Chasmodia? Mae Leay. Cetonia p. Fahr. Scarabtpus p. Drury. 



Chasmodia? Viren.s. Ferrugiueo-flarescens, elytris virescentibus, sterno cornuto. (Long. Coip. 1 unc. 3 lin.) 



Syn. Scarabajus virens, Drury, App. vol. 2. Herhst. Col. U\.p. 1G2. t. 27./. 2. (llelolontha v.) 



Cetouia smaragdula, Fahr. Syst. Eleuth. 11. p. 143. 44. Syst. Ent. p. 45. No. n. Schon. Syn. Ins. 3. 

 157. (Hoplia sm.) 

 Habit.at: South' .\merica, SclionJierr- " America, Mus. Dr. Hunter'' (Fair.). 



Head and thorax brown olive, the fonner margined. Elytra olive, not covering the abdomen. Anus 

 yellowish brown. Abdomen dark brown, the sides and middle being lighter. Legs dirty olive. Sternum 

 long, extending beyond the fore legs. Tarsi short. 



CETONIA (GNATHOCERA) AFRICANA. 



Plate XXX. fig. 4. 



Order: Coleoptera. Section: Lamellicornes. Family: Cetoniidaj. 



Genus. Cetonia, Fahricius. Scarabaens p. Drury. Subgenus : Gnathocera, Kirby, Gory S,- Percheron, 



(Mon. Ceton.). 

 Cetonia (Gnathocera) Africana. iEnca nitens, capitis spin-i incumbente, sterno porrecto, clytris punctis 



nigris, striatis. (Long. Corp. 9 lin.) 

 Syn. Scaraba;us Africanus, Drury, App. vol. 2. Fabr. Syst. Ent. p. 48. 25. Syst. El. 2. p. 149. 73. 



(Cetonia Afr.) Oliv. Ent. \.6.p. 31. t. 8./. 70. 

 Cetonia Smaragdina, Herbst. Col. Ul.p. 258. 47. t. 32./. 5. 



Habitat : Sierra Leone. 



Entirely of a fine green colour, except the tarsi, which are black. The colour, which is very bril- 

 liant, appears not to be reflected from the surface, but seems as if covered with a fine transparent 



ir I 



