Libnotes (Libnotes) Westwood, 1876

Men, Qiu-Lei, 2015, Two new species of the genus Libnotes Westwood (Diptera: Limoniidae) from China, with a key to Chinese species, Zoological Systematics 40 (1), pp. 79-85 : 80

Libnotes (Libnotes) Westwood, 1876

Libnotes (Libnotes) Westwood, 1876 . Trans. R. Ent. Soc. London, 1876: 505. Type species: Libnotes thwaitesiana Westwood, 1876 , by monotypy.

Key to the Chinese species of the subgenus Libnotes

1. Pleura variegated by blackened or infuscated areas ............................................................................................................................. 3 Pleura without blackened or infuscated areas.......................................................................................................................................2

2. Prescutum unmarked............................................................................................................................................................................ 4 Prescutum with stripes .........................................................................................................................................................................5

3. Abdominal tergite with median stripe .................................................................................................................................................. 6 Abdominal tergite without median stripe .............................................................................................................................................7

4. Abdomen orange-yellow, the lateral line narrowly infused; hypopygium dark brown ( Alexander, 1923: 468)..................................... ............................................................................................................................. L. (L.) subopaca Alexander, 1923 ( China: Taiwan) Abdomen entirely light yellow; hypopygium entirely light yellow ( Alexander, 1934: 41).................................................................... ........................................................................................................................ L. (L.) basistrigata ( Alexander, 1934) ( China: Fujian)

5. Prescutum with one median stripe ( Alexander, 1930: 61)........................... L. (L.) recurvinervis ( Alexander, 1930) ( China: Sichuan) Prescutum with at least two stripes ......................................................................................................................................................8

6. Prescutum with four reddish-brown stripes; femora with tip yellow ( Alexander, 1949: 529)................................................................ ................................................................................................................................ L. (L.) apitata ( Alexander, 1949) ( China: Fujian) Prescutum without stripe; femora with tip darkened ( Alexander, 1921: 180) ........................................................................................ ................................................................................................. L. (L.) longistigma Alexander, 1921 ( China: Taiwan; Japan, Russia)

7. Antennae uniformly colored ................................................................................................................................................................ 9 Antennae with scape black, flagellum light brown or brown ............................................................................................................. 10

8. Antennae black throughout; abdomen brownish-black throughout ( Alexander, 1934: 42) .................................................................... ............................................................................................................................ L. (L.) griseola ( Alexander, 1934) ( China: Taiwan) Antennae brown throughout; abdomen festucine-yellow with tergites narrowly pale in lateral margins ( Fig. 5 ) .................................. ............................................................................................................................................................. L. (L.) pseudonohirai sp. nov.

9. Femora with subterminal ring ............................................................................................................................................................ 11 Femora without subterminal ring ( Alexander, 1936: 123) ........................ L. (L.) quinquecostata ( Alexander, 1936) ( China: Hainan)

10. Femora with subterminal ring ............................................................................................................................................................12 Femora without subterminal ring ( Fig. 1 ) ...................................................................................................... L. (L.) wanensis sp. nov.

11. Pleura with a black dot beneath the root of the wing; prescutum without stripe (Edwards, 1916: 355)................................................. ................................................................................................................... L. (L.) limpid Edwards, 1916 ( China: Taiwan; Malaysia) Pleura without black dot; prescutum with a pair of stripes ( Alexander, 1935: 141)............................................................................... .................................................................................................................. L. (L.) comissabunda ( Alexander, 1935) ( China: Taiwan)

12. Pleura with one narrow brownish-black stripe ( Alexander, 1943: 175) .......... L. (L.) sappho ( Alexander, 1943) ( China: Guangdong) Pleura with two narrow dark brown stripes ( Alexander, 1949: 530)..................... L. (L.) tszi ( Alexander, 1949) ( China: Guangdong)

Figures

Figs 5–8. Libnotes (Libnotes) pseudonohirai sp. nov. 5. Habitus of male adult, lateral view. 6. Thorax, dorsal view. 7. Hypopygium, ventral view. 8. Hypopygium, dorsal view. Scale bars: 1=5.0 mm, 2=1.0mm, 3–4=0.5mm.

Figs 1–4. Libnotes (Libnotes) wanensis sp. nov. 1. Habitus of male adult, lateral view. 2. Thorax, dorsal view. 3. Hypopygium, ventral view. 4. Hypopygium, dorsal view. Abbreviations: aa, anterior arculus; aed, aedeagus; goncx, gonocoxite; i gonst, inner gonostylus; o gonst, outer gonostylus; pm, paramere. Scale bars: 1=5.0 mm, 2=1.0mm, 3–4 =0.5mm.