Key to Australian and Oriental species of Scolytocis Blair, 1928 (adults)
Updated from Souza-Gonçalves & Lopes-Andrade (2017)
1 Metatibiae with outer edge straight to barely rounded, usually with a clear distinction between outer and apical edges; spines of outer edge separated by one spine-width or more. If distinction of outer and apical edges of metatibiae is not clear, then TL less than 1.16 mm ..................................................................................... 6
- Metatibiae with outer edge broadly rounded, without a distinction between outer and apical edges; spines of outer edge very close to each other at apical half and TL at least 1.26 mm ...................................................... 2
2 Apical antennomere of club longer than preceding two antennomeres together..................................... 5
- Apical antennomere of club shorter than preceding two antennomeres together.................................... 3
3 Prosternum with a conspicuous longitudinal carina in front of coxae. TL less than 1.40 mm. Known from the Philippines ........................................................................ Sc. philippinensis Lopes-Andrade, 2008
- Prosternum devoid of a longitudinal carina in front of coxae. Known from Southwest China .......................... 4
4 First abdominal ventrite of the male with a sex patch. TL more than 2.1 mm. Gaoligong Mountain, Yunnan, China ....................................................................... Sc. danae Lopes-Andrade & Grebennikov, 2015
- First abdominal ventrite of the male devoid of sex patch. TL less than 2.1 mm. Wuliang Mountain, Yunnan, China .......................................................................................... Sc. multispinus sp. nov.
5 Prosternum biconcave. TL more than 1.70 mm. Known from the Philippines ........... Sc. thayerae Lopes-Andrade, 2008
- Prosternum concave. TL less than 1.70 mm. Known from Fiji ..................... Sc. zimmermani Lopes-Andrade, 2008
6 Pronotum with a rugose border along the posterior edge....................................................... 9
- Pronotum lacking a rugose border along the posterior edge, the surface similar to that of pronotal disc.................. 7
7 CL/FL at least 1.80. Known from Malaysia ..................................... Sc. malayanus Lopes-Andrade, 2008
- CL/FL 1.60 or less.................................................................................... 8
8 Metatibiae with a clear distinction between outer and apical edges; outer edge straight and bearing few spines (usually three). Known from Samoa and Guam ....................................................... Sc. samoensis Blair, 1928
- Metatibiae without a clear distinction between outer and apical edges); outer edge slightly rounded and bearing much more than three spines. Known from the Pohnpei Island (Micronesia)......... Sc. insularis Souza-Gonçalves & Lopes-Andrade, 2017
9 Pronotum with interspaces of punctures smooth. Known from Australia ............................................................................................ Sc. australimontensis Souza-Gonçalves & Lopes-Andrade, 2017
- Pronotum with interspaces of punctures microreticulate...................................................... 10
10 Posterior pronotal edge with a narrow rugose border. Metaventrite bearing a conspicuous and long discrimen. Known from the Philippines ................................................................ Sc. werneri Lopes-Andrade, 2008
- Posterior pronotal edge with a broad rugose border. Discrimen short, not reaching the middle of metaventrite. Known from Northern New Zealand ................................................. Sc. novaezelandiae Lopes-Andrade, 2008