Key to species of Lomanius

1 Scutum with median spines (the height of spines is at least double the size of its width)............................. 2

- Scutum with tubercles (the height of tubercles is approximately equal to its width)................................. 4

2 Free tergites I–III with median spines..................................................................... 3

- Free tergites I with median spines, free tergites II–III without median spines................................ L. tridens

3 Fourth scutal area with two median spines.......................................................... L. rectipes

- Fourth scutal area without median spines.......................................................... L. formosae

4 Free tergites I with median spines................................................................ L. minimus

- Free tergites I without median spines...................................................................... 5

5 Ventral surface of proximal segment of chelicera with tubercles................................. L. bulbosus sp. nov.

- Ventral surface of proximal segment of chelicera smooth............................................. L. carinatus