A new species of the fishfly genus Neochauliodes van der Weele (Megaloptera Corydalidae) from India
Author
Liu, Xingyue
Author
Hayashi, Fumio
text
Zootaxa
2019
2019-08-07
4652
1
183
188
journal article
26069
10.11646/zootaxa.4652.1.12
fba7fb43-2d9d-427d-89ea-5dcb73011362
1175-5326
3363519
7F06E0B3-983F-4587-B3CB-457EFC58289A
Key to species of
Neochauliodes
from
India
and adjacent regions in South Asia (Updated from the key in
Liu
et al.
2010c
)
1. Posterior two branches of RP strongly curved posteriad (
Liu
et al.
2010c
: fig. 7)..................
N. truncatus
Kimmins
– All branches of RP without distinct curve or slightly curved posteriad (
Liu
et al.
2010c
: figs 1-6)...................... 2
2. Background of wings dark with several small transparent spots (
Liu
et al.
2010c
: fig. 4); female fused gonocoxites 8 with posterior margin acutely produced (
Liu
et al.
2010c
: fig. 24)..................................
N. obscurus
van der Weele
– Background of wings transparent with some dark markings; female fused gonocoxites 8 with roundly convex posterior margin................................................................................................. 3
3. Fore- and hindwings medially with a broad dark transverse band (
Liu
et al.
2010c
: fig. 6).......
N. subfasciatus
(Westwood)
– Fore- and hindwings medially with one or more narrow dark transverse bands, or without dark transverse band........... 4
4. Male tergum 9 broadened ventrally, forming sinuate posterior margin in lateral view (
Liu
et al.
2010c
: figs 15, 20); lateral arms of male fused gonocoxites 10 fused with median plate not via a narrow bar (
Liu
et al.
2010c
: figs 14, 19); female gonocoxite 9 much shorter than ectoproct (
Liu
et al.
2010c
: figs 16, 21)..................................................... 5
– Male tergum 9 narrowed and produced posteroventrad (
Liu
et al.
2010c
: figs 8, 25, 30, 35); lateral arms of male fused gonocoxites 10 connected with median plate by a narrow bar (
Liu
et al.
2010c
: figs 9, 26, 31, 36); female gonocoxite 9 subequal in length to or slightly longer than ectoproct.................................................................. 6
5. Forewing with markings on proximal half of costal space punctuate and clearly isolated from each other (
Liu
et al.
2010c
: fig. 3); male ectoproct with distal-median surface rounded in dorsal view (
Liu
et al.
2010c
: fig. 18)................................................................................................
N. nepalensis
Liu, Hayashi & Yang
– Forewing with markings on proximal half of costal space nearly rectangular (
Liu
et al.
2010c
: fig. 2); male ectoproct with distal-median surface angulate (
Liu
et al.
2010c
: fig. 13)..................................
N. indicus
(van der Weele)
6. Fore- and hindwings with distinct dark markings (
Figs 1–2
); male ectoproct anteroventrally with a setose tubercular process (
Fig. 4
); median plate of male fused gonocoxites 10 slightly bulged on apex (
Fig. 4
)....................
N. flinti
sp. nov.
– Fore- and hindwings almost immaculate, only with a few indistinct markings; male ectoproct anteroventrally without any process; median plate of male fused gonocoxites 10 slightly narrowed on apex....................................... 7
7. Forewing length
28–34 mm
in male and
38–40 mm
in female; male fused gonocoxites 10 with median plate slightly broadened medially and laterally with a pair of elevated ridges in ventral view (
Liu
et al.
2010c
: fig. 9)..........
N. fletcheri
Kimmins
– Forewing length
27 mm
in male and
29–33 mm
in female; male fused gonocoxites 10 with median plate gradually narrowed posteriad and laterally without distinct ridges in ventral view (
Liu
et al.
2010c
: fig. 26)...............
N. simplex
(Walker)