Cestrotus
Creators: name: Li, Shi
name: Yang, Ding
name: Gaimari, Stephen D.
Publisher: name: Zenodo
Year: 2009
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Diptera
Lauxaniidae
Cestrotus

description: Key to species of Cestrotus from China
1. Face with a complex pattern of brown markings on yellow, including a median brown longitudinal stripe (Figs. 2, 6, 8) ................................................................................................................................................................................... 5
- Face white to yellow, or with brown markings not including a median longitudinal stripe (Figs. 3–5, 7) ................. 2
2. Scutellum yellowish pollinose, lacking brown spots; mesoscutum with elongate blackish trapeziform spot posteriorly (Fig. 10). Wing 2.0 times longer than high (Fig. 17) ................................................. Cestrotus apicalis (Hendel)
- Scutellum grayish to yellowish pollinose, darkened basally, and often with paired brown spots at least basally; mesoscutal marking not cleanly trapeziform, i.e., anterior end of mark bifurcated (Figs. 11, 14), or entire mark quadrate (Fig. 12). Wing 2.5 times longer than high (Figs. 16, 18–22) .............................................................................. 3
3. Scutellum predominantly yellowish orange, with four brownish spots (two basal, two distal); mesoscutum with quadrate brown spot posteriorly (Fig. 12). Wing uniformly dark around hyaline margin of crossvein r-m (Fig. 19). Male genitalia with outer surstylar process narrow in lateral view (Fig. 38) .............. Cestrotus heteropterus, sp. nov.
- Scutellum grayish yellow to yellowish orange pollinose, darkened basally and/or with pair of small brownish spots bordering mesoscutum; mesoscutum with anterior edge of trapeziform spot divided (Figs. 11, 14). Wing with +- shaped brown marking around hyaline margin of crossvein r-m (Figs. 18, 21). Male genitalia with outer surstylar process broad in lateral view (Figs. 33, 48) ................................................................................................................. 4
4. Mesoscutum with brown spots on transverse suture suboval (Fig. 11). Surstylus with outer lobe 2 X longer than wide in ventral view (Fig. 35) ....................................................................................... Cestrotus flavoscutellatus de Meijere
- Mesoscutum with brown spots on transverse suture large and ensiform posteriorly (Fig. 14). Surstylus with outer lobe 4 X longer than wide in ventral view (Fig. 50) ..................................................... Cestrotus longinudus sp. nov.
5. Palpus yellow. Wing distally lacking marginal spots (Fig. 20). Surstylus with outer lobe elongate and blunt distally in lateral view (Fig. 43) .............................................................................................................. Cestrotus liui, sp. nov.
- Palpus black. Wing with distal brown marginal spots between R2+3 and R4+5 and between R4+5 and M1+2 (Figs. 16, 22). Surstylus with outer lobe distinctly triangular in lateral view (Figs. 23, 53)............................................................... 6
6. Wing with a small rhombic hyaline spot in the brown area between R2+3 and R4+5 (Fig. 16). Scutellum with paired elongate brown spots confluent with brown patch on mesoscutum (Fig. 9). Surstylus with inner lobe strongly arched, similar in size to outer lobe in ventral view (Fig. 25) .................................................. Cestrotus acuticurvus, sp. nov.
- Wing lacking hyaline spot in brown area between R2+3 and R4+5 (Fig. 22). Scutellum with paired elongate brown spots isolated, separated from brown patch on mesoscutum (Fig. 15). Surstylus with inner lobe not strongly arched, larger than outer lobe in ventral view (Fig. 55) .................................................................. Cestrotus obtusus, sp. nov.
description: Published as part of Li, Shi, Yang, Ding & Gaimari, Stephen D., 2009, Species of the genus Cestrotus Loew from China (Diptera: Lauxaniidae), pp. 41-68 in Zootaxa 2009 on page 43, DOI: 10.5281/zenodo.185763