Systematics of Simothraulopsis Demoulin, 1966 (Ephemeroptera: Leptophlebiidae)
Author
Do, Jeane M. C.
Author
Salles, Frederico F.
Author
Hamada, Neusa
text
Zootaxa
2017
4285
1
1
81
journal article
32768
10.5281/zenodo.828100
4b21dc8e-e2dc-448f-8605-5b21f9f727a2
1175-5326
828100
5E5CC15A-009D-4E12-9342-315058D35E98
Key to the species of the
simothraulopsis
Male imagos
1. Penis lobes with lanceolate projection (
Figs 10
D, 30D, 45D); penis lobes, ventral region with a well-marked sclerotized region (
Figs 9
D, 29D, 44D)...................................................................................2
- Penis lobes with spine-like projection (
Figs 5
D, 15D, 40D); penis lobes, ventral region without a well-marked sclerotized region (
Figs 4
D, 14D, 39D)............................................................................. 4
2. Body, general coloration orangish; abdominal terga without whitish bands on basal region, tergum IX almost completely black contrasting with the coloration of the other abdominal terga (
Figs 44
A–B).............
Simothraulopsis inaequalis
sp. nov.
- Body, general coloration varying from dark brown to blackish; abdominal terga with whitish bands on basal region, tergum IX without a contrasting color pattern (
Figs 9
A–B, 29A–B).......................................................3
3. Fore femur, basal 2/3 orangish brown and apical 1/3 whitish; abdominal tergum X whitish (
Figs 9
A, B); penis lobes fused on basal ¼, inner margin without a lobular area near fusion of lobes (
Fig. 10
D).....................
Simothraulopsis plesius
- Fore femur completely dark brown; abdominal tergum X brown (
Figs 29
A, B); penis lobes fused on basal half, inner margins with a lobular area near fusion of lobes (
Fig. 30
D)..............................
Simothraulopsis caliginosus
sp. nov.
4. Penis lobes fused on basal 2/3, inner margins parallel or subparallel (
Figs 25
D, 35E)................................5
- Penis lobes not fused on basal 2/3, inner margins divergent (
Figs 5
E, 15D)........................................ 6
5. Penes, dorsal region with a sclerotized thin plate; penis lobes, inner margin very close, almost touching (
Fig. 25
D); abdominal segments II–VI with translucent white basal bands (
Figs 24
A, B)...............................
Simothraulopsis janae
- Penes, dorsal region without a sclerotized thin plate; penis lobes, inner margin not very close (
Fig. 35
D); only abdominal segments II–IV with translucent white basal bands (
Figs 34
A, B).....................
Simothraulopsis dominguezi
sp. nov.
6. Penis projections either long (approximately as long as total length of penis lobes) or of median size (approximately half of the total length of penis lobes) and anteriorly directed (
Figs 5
E, 15E)................................................ 7
- Penis projections short (less than the half of total length of penis lobes) and directed to the midline of the body (
Figs 20
D, 40D).................................................................................................... 8
7. Forceps, basal region of segment I with a small concavity; penis lobes fused on basal 1/2 (
Figs 15
D, E); hind wing, lower portion completely brownish black (
Fig. 15
C)................................................
Simothraulopsis sabalo
- Forceps, basal region of segment I without a small concavity; penis lobes fused on basal 1/3 (
Figs 5
D, E); hind wing, lower portion almost completely black, except pale triangular area below vein R (
Fig. 5
C).............
Simothraulopsis demerara
8. Penis lobes widely separated, almost underneath by the forceps from ventral view (
Fig. 40
D); vein MP, fork symmetric (
Fig. 40
A).....................................................................
Simothraulopsis eurybasis
sp. nov.
- Penis lobes separated by approximately width of a lobe (
Fig. 20
D, E); vein MP, fork asymmetric (
Fig. 20
A)..........................................................................................
Simothraulopsis diamantinensis