A new genus and species of Atalophlebiinae (Insecta: Ephemeroptera: Leptophlebiidae) from Palni hills of the southern Western Ghats, India Author Selvakumar, C. Author Sivaruban, T. Author Subramanian, K. A. Author Sivaramakrishnan, K. G. text Zootaxa 2016 4208 4 381 391 journal article 37398 10.5281/zenodo.208362 f116d8fe-8650-4f0f-8c58-931989b55eae 1175-5326 208362 24227C54-2873-43D7-BB64-817E9992D17C Key to known genera of south Indian Leptophlebiidae (Imago) 1. Hindwings present.....................................................................................4 - Hindwings absent.....................................................................................2 2. Claws of a pair alike, each apically hooked, with an opposing subapical hook.............................. Nathanella - Claws of a pair dissimilar...............................................................................3 3. Anal area of forewing enlarged posteriorly; penes of male genitalia serrated at apex........................ Notophlebia - Anal area of forewing not enlarged posteriorly; penes of male genitalia not serrated at apex.................. Isca ( Isca ) 4. Claws of a pair alike; each penis lobe ventromedially directed spine-like projection near apex.................. Petersula - Claws of a pair dissimilar; each penis lobe not as above.......................................................5 5. Two intercalaries in cubital area of forewings...............................................................6 - More than two intercalaries in cubital area of forewings.......................................................7 6. Vein MP forked much nearer to base of wings than vein Rs.............................................. Thraulus - Vein of MP forked slightly less than 1/2 of distance from base to margin.......................... Klugephlebia gen. n. 7. Veins Rs and MP forked almost equidistant from base of wings to margin............................. Choroterpes ...8 - Veins Rs and MP forked less than 1/2 or more than 1/3 of distance from base to margin..............................9 8. Vein MA forked 1/2 of distance from base of wings to margin; fork of vein MP asymmetrical; base of costal projection of hind- wings smoothly curved proximally and angular distally................................... Choroterpes ( Euthraulus ) - Vein MA forked over 1/2 of distance from base of wings to margin; fork of vein MP symmetrical; base of costal projection of hindwings smoothly curved proximally and distally..................................... Choroterpes ( Choroterpes ) 9. Vein of MP forked less than 1/2 of distance from base to margin; apex of each penis lobe bulbous and reduced tip, outer margin of apical half each penis lobe without a row of spinules.................................................. Indialis - Vein of MP forked more than 1/3 of distance from base to margin; apex of each penis lobe curved ventrally, outer margin of apical half each penis lobe with a row of spinules. Edmundsula ...................................................