| Thecla ambrax Westwood, 1852 |
| Thecla ambrax subsp. septentrionalis Lathy, 1926 |
| Thecla amphrade Schaus, 1913 |
| Thecla anthracia Hewitson, 1874 |
| Thecla aon Lucas, 1857 |
| Thecla apama Edwards, 1882 |
| Thecla arola Hewitson, 1868 |
| Thecla arpoxais Godman & Salvin, 1887 |
| Thecla arza Hewitson, 1874 |
| Thecla asa Hewitson, 1868 |
| Thecla astiocha Prittwitz, 1865 |
| Thecla atesa Hewitson, 1867 |
| Thecla atnius Herrich-Schäffer, 1853 |
| Thecla atrius Herrich-Schäffer, 1858 |
| Thecla attalion Godman & Salvin, 1887 |
| Thecla aubumiana Harris, 1862 |
| Thecla aufidena Hewitson, 1869 |
| Thecla augustinula Goodson, 1945 |
| Thecla augustinus Westwood, 1852 |
| Thecla augustus Kirby, 1837 |