Dicerapanorpa Zhong & Hua, 2013: 1021
Creators: name: Hu, Gui-Lin
name: Hua, Bao-Zhen
Publisher: name: Zenodo
Year: 2020
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Mecoptera
Panorpidae
Dicerapanorpa

description: Key to species of Dicerapanorpa (males)
(updated from Hu et al. 2019c)
1. Wings yellowish with distinct dark brown markings, apical band broad, enclosing a large hyaline window; pterostigmal band complete, with a broad basal branch and a separated narrow distal branch; basal band complete, across the wing or slightly reduced; rostrum with indistinct black longitudinal stripes ............................................................................................................................ 2
– Wings hyaline with indistinct markings, apical, pterostigmal and basal bands extremely reduced; rostrum with two distinct black longitudinal stripes ......................................................................... 6
2. Basal branch of paramere not reaching apex of ventral valve of aedeagus; mesal branch short, not reaching median tooth of gonostylus ................................................................................................ 3
– Basal branch of paramere nearly reaching apex of ventral valve of aedeagus; mesal branch slender and elongated, extending to median tooth of gonostylus ........ D. baiyunshana Zhong & Hua, 2013
3. Mesal branches of paramere curved convergently, more than twice the length of basal branches .... ........................................................................................................................................................... 4
– Mesal branches of paramere parallel, nearly twice the length of basal branches ............................... ............................................................................................... D. shennongensis Zhong & Hua, 2013
4. Basal branch of paramere shorter, less than half the length of lateral branch; ventral valve of aedeagus broad and short ................................................................................................................................. 5
– Basal branch of paramere longer, more than half the length of lateral branch; ventral valve of aedeagus narrow and long .......................................................... D. hualongshana Hu & Hua, 2019
5. Genital bulb narrow and elliptical; basal branch of paramere straight or curved nearly perpendicularly ............................................................................................. D. magna (Chou, 1981)
– Genital bulb broad and spherical; basal branch of paramere hook-shaped ........................................ ............................................................................................................ D. minshana Hu & Hua, 2019
6. Hypovalve narrow basally and greatly broadened distally ............................................................... 7
– Hypovalve not markedly broadened distally .................................................................................. 12
7. Hypovalve round apically ................................................................................................................. 8
– Hypovalve truncated apically .................................................... D. stotzneri (Esben-Petersen, 1934)
8. Basal process of gonostylus broadened and thickened ..................................................................... 9
– Basal process of gonostylus narrow and long, pointed distally .......................................................11
9. Hypovalve not curved inward at apex ............................................................................................ 10
– Hypovalve curved inward at apex; all branches of paramere exceeding apex of gonocoxite; basal branch straight, mesal and lateral branches greatly curved inward .................................................... ........................................................................................................ D. tenuis Hu, Wang & Hua, 2019
10. Genital bulb slender and elliptical; all branches of paramere broadened basally and narrowed distally, reaching or exceeding basal process of gonostylus; lateral branch slightly curved inward; aedeagus narrow ............................................................................................... D. diceras (MacLachlan, 1894)
– Genital bulb broad and spherical; basal branch of paramere very short; mesal branch tapering toward apex, reaching median tooth of gonostylus; lateral branches curved perpendicularly, convergent at basal two-thirds and parallel at apical one-third, extending over median tooth of gonostylus, aedeagus broad ................................................................................ D. tanae Hu, Wang & Hua, 2019
11. Dorsal valves of aedeagus narrow and sharply angular at apex; lateral branch of paramere convergent apically, reaching basal process of gonostylus ................................. D. luojishana Hu & Hua, 2019
– Dorsal valves of aedeagus broad and rounded at apex; lateral branch of paramere curved semicircularly at basal two-thirds, nearly parallel at distal one-third, extending far beyond basal process of gonostylus ......................................................................................... D. lativalva Hu & Hua, 2019
12. Paramere trifurcated with basal branch short or long ..................................................................... 13
– Paramere bifurcated with basal branch absent; mesal branches convergent distally, reaching median tooth of gonostylus; lateral branch conspicuously sinuated toward dorsal side, intersected apically; dorsal valves of aedeagus divergent apically, reaching apex of gonocoxite ...... D. bifurcata sp. nov.
13. Basal branch of paramere extremely short, less than one-third the length of mesal branch, straight or hooked ............................................................................................................................................. 14
– Basal branch of paramere more than one-third the length of mesal branch, straight or curved ..... 15
14. Wings hyaline without markings; hypovalve not exceeding basal process of gonostylus; basal branch of paramere hooked, mesal branches slightly curved basally and nearly parallel distally; lateral branches curved semi-circularly ............................................. D. kimminsi (Carpenter, 1948)
– Wings hyaline with incomplete black pterostigma and apical bands; hypovalve elongated, extending beyond basal process of gonostylus; basal branches of paramere straight, mesal branches curved semi-circularly basally and convergent apically, lateral branches sinuated toward dorsal side ......... .......................................................................................................................... D. zhengkuni sp. nov.
15. Ventral valve of aedeagus not extending to apex of gonocoxite. ................................................... 16
– Ventral valve of aedeagus reaching apex of gonocoxite ................................................................. 18
16. Hypovalve extending to apex of gonocoxite .................................................................................. 17
– Hypovalve not reaching apex of gonocoxite; basal branches of paramere parallel; mesal branches convergent apically, extending to basal process of gonostylus; lateral branches slightly curved ...... ......................................................................................................... D. triclada (Qian & Zhou, 2001)
17. Basal branch of paramere elongated, exceeding basal process of gonostylus; mesal branches straight and parallel, reaching median tooth of gonostylus; lateral branch straight, not reaching apex of gonocoxite .................................................................................... D. macula Hu, Wang & Hua, 2019
– Basal branch of paramere not reaching basal process of gonostylus; mesal branches straight, intersected distally, exceeding median tooth of gonostylus; lateral branches convergent distally, reaching basal process of gonostylus ............................. D. zhongdianensis Hu, Wang & Hua, 2019
18. Lateral branch of paramere not bifurcated ...................................................................................... 19
– Lateral branch of paramere bifurcated distally; basal branch nearly reaching apex of gonocoxite; mesal branches slightly curved basally and parallel distally, exceeding median tooth of gonostylus ................................................................................................................. D. tjederi (Carpenter, 1938)
19. Terminal emargination of epandrium shallow and rounded; basal branch of paramere nearly as long as lateral branch, reaching apex of gonocoxite; mesal branch elongated, extending to median tooth of gonostylus .......................................................................... D. deqenensis Hu, Wang & Hua, 2019
– Terminal emargination of epandrium deep and trapezoidal; basal branch of paramere curved inward basally and parallel distally, not reaching apex of gonocoxite; mesal and lateral branches convergent apically, reaching basal process of gonostylus ....................................... D. yijunae Hu & Hua, 2019
description: Published as part of Hu, Gui-Lin & Hua, Bao-Zhen, 2020, Review of the scorpionfly genus Dicerapanorpa Zhong & Hua (Mecoptera: Panorpidae), with descriptions of two new species, pp. 1-13 in European Journal of Taxonomy 711 (711) on pages 9-11, DOI: 10.5852/ejt.2020.711, http://zenodo.org/record/4011160