Isma is an Indomalayan^[1] genus of grass skippers in the family Hesperiidae.

Listed alphabetically:^[2]

• Isma binotata Elwes & Edwards, 1897 – Borneo
• Isma bononia (Hewitson, 1868) – Singapore, Malaysia
• Isma bononoides (Druce, 1912) – Borneo
• Isma bonota Cantlie & Norman, 1959
• Isma cinnamomea (Elwes & Edwards, 1897) – Borneo, Sumatra
• Isma cronus (de Nicéville, 1894)
• Isma dawna (Evans, 1926) – south Myanmar
• Isma dichroa (Kollar, 1844)
• Isma feralia (Hewitson, 1868) – Myanmar, Java
• Isma flemingi Eliot, 1984 – Malaysia
• Isma guttulifera (Elwes & Edwards, 1897) – Malaya
• Isma hislopi Eliot, 1973 – Malaysia
• Isma iapis (de Nicéville, 1890) – plain tufted lancer – Johor, Malaysia
• Isma miosticta (de Nicéville, 1891) – Borneo, Malaysia
• Isma protoclea (Herrich-Schäffer, 1869) – Myanmar
• Isma umbrosa (Elwes & Edwards, 1897 – Borneo, Vietnam

The larvae feed on Musa, Pandanus.

• 
  I. umbrosa, I. binotata , I.bipunctata, I. guttulifera and I. feralia in Elwes & Edwards, 1897
• 
  I. bononia, I. iapis and I. feralia in Piepers and Snellen The Rhopalocera of Java
• 
  I. protoclea and I. bononia in Rhopalocera Malayana
• 
  I. miosticta in de Nicéville, 1891

• Natural History Museum Lepidoptera genus database

• Isma, Funet Taxonomy