Aer - air
eides - resembling (Gr)
refering to the epiphytic habit of the genus
| Arachnis | breviscapa | Mal |
| Arachnis | celebica | Sul |
| Arachnis | flosaeris | Mal |
| Arachnis | gracilis | Mal |
| Arachnis | grandisepala | Mal |
| Arachnis | hookeriana | Mal |
| Arachnis | longicaulis | Phil |
| Arachnis | longisepala | Mal |
| Arachnis | maingayi | Mal |
| Arachnis | moschifera | Mal |