Nemoleontini Banks 1911
Creators: name: Suryanarayanan, Thangalazhi Balakrishnan
name: Bijoy, Chenthamarakshan
name: Ábrahám, Levente
Publisher: name: Zenodo
Year: 2022
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Neuroptera
Myrmeleontidae

description: Key for the genera of the tribe Nemoleontini Banks, 1911 known from India (Fig. 2)
1. A 2 and A 3 unit in short term then diverge, A 2 simple, A 3 forked in FW (Fig. 2 A), male gonocoxites 9 fused as a forked.... 2
- A 2 and A 3 unit in short term then diverge, A 2 forked, A 3 simple in FW (Fig. 2 B), male gonocoxites 9 shaped as a pair of plates............................................................................................. 10
2. On basal half of FW Cua (also Cua 1, Cua 2) long and parallel with hind margin ((Fig. 2 C)............................ 3
- On basal half of FW Cua 2 short and not parallel with hind margin (Fig. 2 A)....................................... 4
3. Tibial spurs long and straight as long as elongated tarsal segment 1, tarsal claws with prominence (Fig. 2 D and E)................................................................................. Pseudoformicoleo van der Weele*
- Tarsal segment 1 short, tibial spurs as long as tarsi 1-4 combined, tarsal claws simple (Fig. 2 F and G).... Creoleon Tillyard
4. Tibial spurs considerably shorter than tarsal segment 1, male ectoproct with short processes (Fig. 2 H)..... Delfimeus Navás
- Tibial spurs considerably longer than tarsal segment 1, male ectoproct with long distal processes (Fig. 2 I)............... 5
5. Cup in FW very short runs to A1 directly (Fig. 2 J)........................................................... 6
- Cup in FW partly parallel before connecting with A1 (Fig. 2 K)................................................. 7
6. Smaller species (FW 15-20 mm), pronotum V or U-shaped pattern............................ Geyria Esben-Peterson
- Larger species (FW longer than 20 mm), pronotum with two lateral stripes....................... Macronemurus Costa
7. Wings narrow, both margins almost parallel, tarsal segment 1 and tibial spurs elongated as long as or longer than segment 2-4 combined, male abdomen usually very long (Fig. 2 L)........................................... Nemoleon Navás
- Wings long oval, tarsal segment 1 not elongated, tibial spurs varied in length..................................... .. 8
8. Smaller species (FW shorter than 30 mm in India), tibial spurs shorter than tarsal segment 1-4 together or missing............................................................................................... Neuroleon Navás
- Larger species (FW longer than 30 in India), tibial spurs almost as long as tarsal segment 1-4 together.................. 9
9. Tarsal claws enlarged, at least three fourth part of tarsal segment 5, tibial spurs slightly curved, posterior Banksian line slightly visible in FW (Fig. 4 C).................................................................... Banyutus Navás
- Tarsal claws reach only half length of tarsal segment 5, tibial spurs obviously curved and strong, Banksian line not visible in FW................................................................................... Distoleon Banks
10. Tibial spurs as long as tarsal segment 1, claws opposable.............. Paraglenurus van der Weele / Negrokus Navás **
- Tibial spurs as long as tarsal segment 1-2 combined, claws not opposable......... Indoleon Banks / Indophanes Banks ***
description: Published as part of Suryanarayanan, Thangalazhi Balakrishnan, Bijoy, Chenthamarakshan & Ábrahám, Levente, 2022, Redescription of Banyutus cubitalis (Navás, 1914) (Neuroptera, Myrmeleontidae) and key to antlion genera in tribe Nemoleontini from India, pp. 64-74 in Zootaxa 5182 (1) on page 66, DOI: 10.11646/zootaxa.5182.1.4, http://zenodo.org/record/7042786