3.2.21 Caccobius (Caccophilus) unicornis (Fabricius, 1798)

Copris unicornis Fabricius, 1798, Ent. Syst. Suppl.: 33 (ZMUC, BMNH).

Onthophagus nitidiceps Fairmaire, 1893, Ann. Soc. Ent. Belg., 37: 304 (MNHN); Arrow, 1931, Fauna Brit. India, Lamell., 3: 145 (Syn.). Onthophagus unicornis: Boucomont, 1914, Ann. Mus. Civ. Genova, 46: 236.

Caccobius unicornis: Arrow, 1931, Fauna Brit. India, Lamell., 3: 145.

Caccobius yamacuchii Matsumura & Yohena, 1936, Ins. Matsum., 11: 66.

Material examined. [AFCD] China, Hong Kong, Pui O, 1♂, 2017.XII.6, coll. M.H. Leung.

[ IZAS] China, Beijing, 1♀, 1981. V.21, coll. Youwei Zhang. Hubei, Ziguimaoping, 60 m, 14♂ 3♀, 1994.IV.28, coll. Youwei Zhang ; Ziguijiulingtou, 110 m, 4♂ 7♀, 1994.IV.30, coll. Xinke Yang. Hainan, Wanning, 10 m, 1♂, 1960.IV.9, coll. Suofu Li ; Baoting, 80 m, 1♂, 1960. V.15, coll. Suofu Li ; Baoting, 80 m, 1♂, 1960.VII.26, coll. Suofu Li ; Tongshen, 1♀, 1980.IV.2, coll. Shuyong Wang. Sichuan, Weiyuan, 1♂, 1986, coll. Chuanjing Chen. Yunnan, Ninglang Prov., 1♂, 2004.VII.13–15, coll. Caixia Yuan & Jingcai Li.

[ ZMUC] Unknown, 1♀ (Syntype) ; Java, 1♂ (Syntype); Tranguebaria, 2♀ (Syntype) .

[ BMNH] Sikkim, Pedong, 6090 ft., 1♀, 1924.III.28, coll. R. W. G. Hingston (Paralectotype); N. Borneo, Samawang, SR. Sandakan, 2♂ 4♀, 1927. VI.12; Tientsin, 3♂ 4♀, 1906. VI.15, coll. F. M. Thomson; N. Borneo, Nr. Sandakan, 4♂ 6♀, 1927.XII.7.

[ MNHN] Saigon, Museum Paris, 1906.?.?, coll. Leon Farimaire (Type of Onthophagus nitidiceps Fairmaire, 1893) .

Distribution. China (Hong Kong, Beijing, Hainan, Hubei, Sichuan, Taiwan, Tianjin, Yunnan), India, Indonesia, Japan, Laos, Malaysia, Myanmar, North Korea, Sri Lanka, Philippines, Vietnam.