Antocha Osten Sacken

Key to Taiwanese species of Antocha Osten Sacken View in CoL

1. Thoracical pleuron dark gray. Abdomen dark brown to black................................................... 2

- Thoracical pleuron brownish or yellowish. Abdomen yellowish gray, brown or dark brown........................... 3

2. General body coloration dark brown. Pseudosutural fovea surrounded by contrasting yellow area. Coxae reddish brown, legs brown.................................................................. Antocha ( Antocha) taiwanensis View in CoL n. sp.

- General body coloration black. Pseudosutural fovea surrounded by same dark gray color as rest of thorax. Coxae dark brown to blackish. Male legs black, female legs brown................................ Antocha ( Antocha) styx Alexander, 1930 View in CoL

3. Most antennal flagellomeres spindle-shaped with long pubescence.................. A. ( A.)? streptocera Alexander, 1949 View in CoL

- Antennal flagellomeres elongate or oval, not spindle-shaped.................................................... 4

4. Thoracical pleuron brownish yellow. Abdomen yellowish gray or yellowish brown..................................................................................................... Antocha ( Antocha) bifida Alexander, 1924a View in CoL

- Thoracical pleuron brownish, covered with dense gray pruinosity. Abdomen dark brown............................................................................................ Antocha ( Antocha) gracillima Alexander, 1924b View in CoL