Mohrigia Menzel. Moreover 1995
Creators: name: Xu, Jun
name: Shi, Kai
name: Huang, Junhao
name: Wu, Hong
Publisher: name: Zenodo
Year: 2017
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Sciaridae
Mohrigia

description: Key to the species of Mohrigia (males)
1. Maxillary palps 2-segmented (Fig. 7 E).....................................................................2
- Maxillary palps 3-segmented (Figs 8 D, 12C)................................................................7
2. Hypopygium with an unusually split gonostylus, with a wide intercoxal lobe; wing veins M and CuA with macrotrichia dor- sally............................................................. M. insolenta Rudzinski, 2006: Taiwan (ORI)
- Hypopygium with an ovate or elongated oval gonostylus, with intercoxal lobe narrow or absent; wing veins M and CuA with- out macrotrichia (Fig. 14 D)..............................................................................3
3. Intercoxal lobe absent............................................. M. cirricoxalis Rudzinski, 2006: Taiwan (ORI)
- Intercoxal lobe present (Fig. 7 D).........................................................................4
4. Gonostylus with a small intercoxal lobe (Fig. 7 D)............................................................5
- Gonostylus with an oblong intercoxal lobe..................................................................6
5. Gonocoxite with an apicodorsal lobe bearing three long setae, tegmen slightly and smoothly curved, parameral apodeme later- ally sclerotized on tegmen (Figs 7 C–D)....................................... M. notolobos sp. nov.: Yunnan (PAL)
- Gonocoxite without apicodorsal lobe, tegmen pyramidal-tiara shape, parameral apodeme continuously sclerotized forming a central strip on dorsal side............................................ M. structura Rudzinski, 2006: Taiwan (ORI)
6. Dorsal lobe of gonostylus large and coracoid, arising from strongly inflated dorsal margin of gonostylus...................................................................... M. rhynchophysa (Yang, Zhang & Yang, 1993): Fujian (ORI)
- Dorsal lobe of gonostylus relatively small, and gonostylus not inflated in dorsal margin.......................................................................................... M. infernosa Rudzinski, 2006: Fujian, Taiwan (ORI)
7. Intercoxal lobe on the ventral side of genitalia broad, and tegmen hidden by the long and dense setae on the intercoxal lobe............................................................ M. hippai Menzel, 1995: Tibet; Nepal, Burma (ORI)
- Intercoxal lobe on the ventral side of genitalia narrow or absent, and tegmen never hidden by setae on the intercoxal lobe... 8
8. Hypopygium with a rounded tegmen, the gonostylus kidney-shaped (Figs 8 A–B)....................................................................... M. orthacantha (Yang, Zhang & Yang, 1993): Fujian, Inner Mongolia (PAL, ORI)
- Tegmen of hypopygium not rounded, the gonostylus not kidney-shaped (Figs 10 B, 12B).............................9
9. Dorsal lobe of gonostylus large and coracoid, arising from strongly inflated dorsal margin of gonostylus (Fig. 12 A).......................................................................... M. subrhynchophysa sp. nov.: Yunnan (ORI)
- Dorsal lobe of gonostylus relatively small, and gonostylus not inflated on dorsal margin (Figs 9 A, 10A)................ 10
10. Inner side of gonostylus significantly concaved with a long and strong apical tooth arising from its dorsal medial margin (Figs 10 A, D).............................................................. M. scrobiculata sp. nov.: Yunnan (ORI)
- Inner side of gonostylus not significantly concaved (Figs 1 A, 9A).............................................. 11
11. Inner side of gonostylus inflated or slightly inflated (Figs 2 A, 9A)..............................................12
- Inner side of gonostylus not inflated, slender (Fig. 1 A).......................................................19
12. Intercoxal lobe absent (Fig. 9 C)................................................ M. ovoidea sp. nov.: Fujian (ORI)
- Intercoxal lobe present (Figs 2 B, 3C, 4A, 5A, 13A).........................................................13
13. Gonostylus with an apical tooth arising from a well-developed dorsal lobe (Figs 2 A, 5A–B).........................14
- Gonostylus with an apical tooth arising from a relatively small dorsal lobe (Figs 3 C, 4A)............................16
14. Tegmen slightly and smoothly curved, dorsal lobe of gonostylus subcylindrical (Figs 2 A–B)........................................................................................... M. cylindrata sp. nov.: Yunnan, Tibet (ORI*)
- Tegmen nearly rectangular and apically truncate, dorsal lobe of gonostylus large (Figs 5A–B, 13A–B).................15
15. Dorsal lobe arising just medially of the apex of gonostylus (Figs 5A–C)............................................................................ M. megalocornuta (Mohrig & Menzel, 1992): Zhejiang, Fujian, Taiwan; Japan (ORI)
- Dorsal lobe arising from the subapical part of gonostylus (Figs 13 A–B)...... M. truncatula sp. nov.: Zhejiang, Fujian (ORI)
16. Gonostylus greatly inflated, approximately spherical (Figs 3 A–B, 4A–B)....................................... 17
- Gonostylus slightly inflated, elongate oval (Fig. 1 A).........................................................19
17. Gonostylus with two dorsal lobe, tegmen trapezoid................... M. hylotoma Menzel & Mohrig, 1999: Nepal (ORI)
- Gonostylus only with one dorsal lobe, tegmen not trapezoid...................................................18
18. Tegmen triangular (Figs 3 A–C).............................................. M. globulosa sp. nov.: Tibet (ORI *)
- Tegmen evenly curved apically (Figs 4 A, B).............................. M. inflata sp. nov.: Zhejiang, Hubei (PAL*)
19. Tegmen pyramidal................. M. composivera Rudzinski, 2006: Fujian, Yunnan, Tibet, Shaanxi, Taiwan (PAL, ORI)
- Tegmen trapezoid.................................................... M. retarda Rudzinski, 2006: Taiwan (ORI)
20. Intercoxal lobe on ventral side of genitalia absent, tegmen pyramidal (Fig. 1 C)......... M. angusta sp. nov.: Shaanxi (PAL)
- Intercoxal lobe on ventral side of genitalia present, tegmen large and trapezoidal..................................................................................................... M. rusticana Rudzinski, 2006: Taiwan (ORI)
description: Published as part of Xu, Jun, Shi, Kai, Huang, Junhao & Wu, Hong, 2017, Review of the genus Mohrigia Menzel (Diptera, Sciaridae) from China, pp. 71-98 in Zootaxa 4300 (1) on pages 72-73, DOI: 10.11646/zootaxa.4300.1.4, http://zenodo.org/record/837157