Description of two new species of Polypedilum (Asheum) and immature stages of Polypedilum (A.) curticaudatum (Diptera: Chironomidae)
Author
Pinho, Luiz Carlos
Author
Silva, Fabio Laurindo Da
text
Zootaxa
2020
2020-04-02
4759
2
179
190
journal article
10.11646/zootaxa.4759.2.2
8446c8e2-60b9-4f2d-988a-b444804fe93b
1175-5326
3737393
9534DFF8-9C78-4E8E-B364-D28485660054
Key to male adults of species of
Polypedilum
(
Asheum
)
1. Gonocoxite and gonostylus stout (
Fig. 3A
)................................................................. 2
- Gonocoxite and gonostylus relatively slender (
Figs 1A
and
2A
)................................................. 3
2. Superior volsella distinctly boot shaped. Caribbean and
U.S.A.
.................
Polypedilum
(
Asheum
)
beckae
(Sublette)
- Superior volsella variable, with slightly to strongly concave apical outer margin, and hooked apical projection. South America..............................................................
Polypedilum
(
Asheum
)
curticaudatum
Rempel
3. Superior volsella gently tapering to a non-sigmoidal and short apical projection (
Fig. 1B
).
Brazil
(
Rondônia
and
Mato Grosso
).....................................................................
Polypedilum
(
Asheum
)
sofiae
sp. n.
- Superior volsella abruptly tapering to a sigmoidal and long apical projection (
Fig. 2B
).
Brazil
(
Bahia
)........................................................................................
Polypedilum
(
Asheum
)
mayrahu
sp. n.