Eight New Species Of Amphinemura (Plecoptera: Nemouridae) From Vietnam
Author
Stark, Bill P.
Author
Sivec, Ignac
text
Illiesia
2010
2010-03-05
6
5
41
51
journal article
http://doi.org/10.5281/zenodo.4759607
e3dca285-34d8-4962-bfda-994d705a4a53
1854-0392
4759607
Preliminary Key to Males of Vietnamese
Amphinemura
1 Lateral lobes of epiproct in dorsal aspect armed with small, tooth-like spines or serrae (
Fig. 7
).… 2
1’ Epiproct lateral lobes, if present, not armed with tooth-like spines or serrae …….………………... 6
2 Lateral epiproct lobes diverging strongly from central axis, or curved strongly laterad near tip (
Figs. 4
,
7
) ..…………...………………………...…. 3
2’ Lateral epiproct lobes variable, but not strongly divergent or apically curved (
Fig. 10
) …………. 5
3 Epiproct apex consists of a pair of slender processes set between prominent lateral lobes (
Fig. 7
) ……………………………………
divergens
3’ Mesoapical section of epiproct consists of a wide, complex process set between lateral lobes (
Figs. 4
,
19
) ………..………………………………………... 4
4 Mesoapical section of epiproct more-or-less cylindrical and projecting beyond lateral lobes (
Fig. 19
) …………………………………….…..
sapa
4’ Mesoapical section of epiproct somewhat forkshaped and not reaching apex of lateral lobes (
Fig. 4
) …………………………………...……….….
caoae
5 Projecting mesal section of epiproct extending well beyond tips of lateral lobes (
Fig. 21
) …………………………………………….....
tamdao
5’ Mesal lobes of epiproct subequal to lateral lobes in length (
Fig. 10
) ………………………….….
giay
6 Epiproct apex trifurcate, or with a projecting long slender process (
Figs. 1
,
24
) .............................….. 7
6’ Epiproct apex notched (
Fig. 16
) or truncate.…. 9
7 Mesal lobes of epiproct slender and much longer than broadly rounded lateral lobes (
Fig. 13
) …. 8
7’ Mesal lobe of epiproct subequal in length and width to slender lateral lobes (
Fig. 24
) ……….
viet
8 Epiproct apex trifurcate; epiproct bearing several short, stout, ventral spines (
Figs. 13, 15
) ……………………………………………….
gressitti
8’ Epiproct apex with a long slender, apically notched lobe set between broad, rounded lateral lobes; epiproct without obvious ventral spines (
Figs. 1, 3
) …………………………......…..
bifurcata
9 Posterior margin of tergum 10 divided into a pair of upturned lobes; inner lobe of paraprocts with a small apical notch.………………….…….
hainana
9’ Posterior margin of tergum 10 without upturned lobes; inner lobe of paraprocts unnotched.….. 10
10 Epiproct apex with mesal V-shaped notch (
Fig. 16
) ………………………………………….......
meyi
10’ Epiproct apex truncate …………..……
handschini