Pythamus Melichar, 1903, Melichar, 1903

Wang, Yang & Zhang, Yalin, 2015, Two new species in the leafhopper genus Pythamus Melichar (Hemiptera: Cicadellidae: Evacanthinae) from China, Zootaxa 4058 (3), pp. 429-436: 430

publication ID

http://dx.doi.org/10.11646/zootaxa.4058.3.9

publication LSID

lsid:zoobank.org:pub:0A0957C9-949C-48D3-9F14-B3C35B238D66

DOI

http://doi.org/10.5281/zenodo.5088851

persistent identifier

http://treatment.plazi.org/id/6C1487E8-FFBB-4248-D4A7-16B0FA7EFA95

treatment provided by

Plazi

scientific name

Pythamus Melichar, 1903
status

 

Key to species of Pythamus Melichar, 1903   (males)

1. Crown with off-white or red lateral markings, median longitudinal carina without white spots ( Figs 3 View FIGURES 1 – 10 , 13 View FIGURES 11 – 19 ). Male pygofer posteri- orly narrowed along caudo-ventral margin ( Figs 9 View FIGURES 1 – 10 , 18 View FIGURES 11 – 19 ) ................................................................................................................... 2

-. Crown with white spots along median longitudinal carina, lacking white or red lateral markings ( Figs 22 View FIGURES 20 – 28 , 31 View FIGURES 29 – 36 ). Male pygofer broad, with rounded caudal margin ( Figs 27 View FIGURES 20 – 28 , 35 View FIGURES 29 – 36 ).............................................................................................................................. 3

2. Markings on crown off-white ( Fig. 3 View FIGURES 1 – 10 ). Ventral margin of aedeagus gradually curved dorsad in lateral view ( Fig. 6 View FIGURES 1 – 10 )....................... ........................................................................................................................................................................ P. hainanensis   sp. nov.

-. Markings on crown red ( Fig. 13 View FIGURES 11 – 19 ). Ventral margin of aedeagus distinctly bent dorsad in lateral view ( Fig. 16 View FIGURES 11 – 19 ) ...... P. rufus   sp. nov.

3. Aedeagus without lateral processes but with lateral ridge, apex of shaft attenuated ...................................... P. dealbatus   Melichar

-. Aedeagus with short or long lateral processes; apex of shaft not attenuated ( Figs 24 View FIGURES 20 – 28 , 33 View FIGURES 29 – 36 ) .............................................................. 4

4. Crown with yellow spot on medial keel extending posteriorly to form arrow. Male pygofer with S-shaped ventral process ........ 5

-. Crown with round yellow spot on median keel not extended posterad ( Fig. 21 View FIGURES 20 – 28 ). Male pygofer with straight ventral process ( Fig. 27 View FIGURES 20 – 28 ) ................................................................................................................................................. P. biramosus   Viraktamath & Webb

5. Aedeagal shaft with processes longer than maximum width of shaft in lateral view ( Fig. 33 View FIGURES 29 – 36 ) .. P. bispinosus   Viraktamath & Webb

-. Aedeagal shaft with processes short, about half as long as maximum width of shaft in lateral view ............................................... ....................................................................................................................................................... P. montanus   Viraktamath & Webb