Fig. 2

Dorcus antaeus Hope, 1842

Tiger Hill, West Bengal, India

Fig. 3

Dorcus hyperion Boileau, 1899

Imphal, Manipur, India

Fig. 4

Dorcus metacostatus Kikuta, 1985

Amami-Ohshima Island, Japan

Fig. 5

Dorcus ( Macrodorcus ) rectus ( Motschulsky, 1857 )

Japan

Fig. 6

Dorcus titanus yasuokai ( Fujita, 2010 )

Sumatra Island, Indonesia

Fig. 7

Lucanus maculifemoratus Motschulsky, 1861

( large mandible )

Japan

Fig. 8

Lucanus maculifemoratus Motschulsky, 1861

( small mandible )

Japan

Fig. 9

Lucanus fryi Boileau, 1911

Myanmar

Fig. 10 a

Prosopocoilus giraffa keisukei Mizunuma et Nagai, 1911

Flores Island, Indonesia

Fig. 10 b

Prosopocoilus giraffa keisukei Mizunuma et Nagai, 1911

Flores Island, Indonesia

Fig. 10 a, b

Prosopocoilus giraffa keisukei Mizunuma et Nagai, 1911

Flores Island, Indonesia

Fig. 11

Prosopocoilus inclinatus inclinatus ( Motschulsky, 1857 )

Japan

Fig. 12

Cyclommatus canaliculatus canaliculatus Ritsema, 1891

Sumatra Island, Indonesia

Fig. 13

Cyclommatus cupreonitens Boileau, 1901

Sumatra Island, Indonesia

Fig. 14 a

Cyclommatus elaphus elaphus Gestro, 1881

South Sumatra Island, Indonesia

Fig. 14 b

Cyclommatus elaphus elaphus Gestro, 1881

South Sumatra Island, Indonesia

Fig. 14 a, b

Cyclommatus elaphus elaphus Gestro, 1881

South Sumatra Island, Indonesia

Fig. 15 a

Cyclommatus metallifer finae Mizunuma et Nagai, 1991

Peleng Island, Indonesia

Fig. 15 b

Cyclommatus metallifer finae Mizunuma et Nagai, 1991

Peleng Island, Indonesia

Fig. 15 c

Cyclommatus metallifer finae Mizunuma et Nagai, 1991

Peleng Island, Indonesia

Fig. 15 a, b, c

Cyclommatus metallifer finae Mizunuma et Nagai, 1991

Peleng Island, Indonesia

Fig. 16

Allotopus rosenbergi ( Vollenhoven, 1872 )

Hamlin, West Java, Indonesia

Fig. 17

Homoderus mellyi Parry, 1862

Cameroon

Fig. 18 a

Dynastes hercules occidentalis ( Lachaume, 1985 )

Imbabura Province, Ecuador

Fig. 18 b

Dynastes hercules occidentalis ( Lachaume, 1985 )

Imbabura Province, Ecuador

Fig. 18 c

Dynastes hercules occidentalis ( Lachaume, 1985 )

Imbabura Province, Ecuador

Fig. 18 a, b, c

Dynastes hercules occidentalis ( Lachaume, 1985 )

Imbabura Province, Ecuador

Fig. 19

Odontolabis ludekingi ( Vollenhoven, 1861 )

Sumatra Island, Indonesia

Fig. 20

Mesotopus tarandus Swederus, 1787

Congo

Fig. 21 a

Hexarthrius mandibularis Deyrolle, 1881

Jambi, Sumatra Island, Indonesia

Fig. 21 b

Hexarthrius mandibularis Deyrolle, 1881

Jambi, Sumatra Island, Indonesia

Fig. 21 a, b

Hexarthrius mandibularis Deyrolle, 1881

Jambi, Sumatra Island, Indonesia

Fig. 22

Lamprima adolphnae ( Gestro, 1875 )

New Guinea Island

Fig. 23

Phalacrognathus muelleri ( MacLeay, 1885 )

Queensland, Australia