Leptophlebiidae Imago
Creators: name: Selvakumar, C.
name: Sivaruban, T.
name: Subramanian, K. A.
name: Sivaramakrishnan, K. G.
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Ephemeroptera
Leptophlebiidae

description: 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 ...................................................
description: Published as part of Selvakumar, C., Sivaruban, T., Subramanian, K. A. & Sivaramakrishnan, K. G., 2016, A new genus and species of Atalophlebiinae (Insecta: Ephemeroptera: Leptophlebiidae) from Palni hills of the southern Western Ghats, India, pp. 381-391 in Zootaxa 4208 (4) on page 383, DOI: 10.5281/zenodo.208362