Habitat: China.
Entirely black. Head broad and thin, rounded in front and margined; having a strong erect horn, near half an inch long. Thorax margined, and much elevated, terminating upwards in an high ridge, whose sides are furnished with two short horns, varying very much in their length (the females being entirely hornless); it is also, as well as the head, regularly covered with innumerable small pustules, which are scarce visible to the naked eye. Scutellum obsolete. Elytra margined, short, and almost smooth. Femora broad, hairy, and strong. Tibiæ with strong spurs. Ungues very small, scarcely visible.
PHILEURUS DIDYMUS.
Plate [XXXII]. fig. 3.
Order: Coleoptera. Section: Lamellicornes. Family: Dynastidæ.
Genus. Phileurus, Latreille. Geotrupes, Fabr. Scarabæus, Linn.
Phileurus Didymus. Depressus, thorace fossulâ excavatâ, capite tricuspide, elytris striatis. (Long. Corp. 2 unc.)
Syn. Scarabæus Didymus, Linn. Syst. Nat. 1. II. p. 545. No. 19. Fabr. Ent. Syst. 1. p. 20. No. 61. Oliv. Ent. 1. 3. p. 42. No. 46. t. 2. fig. 9. Schonherr Syn. Inst. 1. p. 19. No. 85. Pal. Beauv. Ins. Col. pl. 16. f. 3.
Habitat: (——? Drury). America (Fabricius).
Head, black, small, and triangular, having three tubercles issuing from it, of which the anterior is pointed, the others blunt. Thorax black, which is the general colour of the insect, rounded, smooth, and margined, having an impression in front, with a short tubercle situated on it near the edge; from whence runs a hollow groove or channel to the posterior margin. Scutellum small. Elytra shining, margined and furrowed. Abdomen smooth and shining, without hair. Tibiæ furnished with spines, as are the first joints of the middle and posterior tarsi.