Tetragoneura
publication ID |
https://doi.org/ 10.5281/zenodo.207042 |
DOI |
https://doi.org/10.5281/zenodo.6187682 |
persistent identifier |
https://treatment.plazi.org/id/03838794-9E09-FFB6-FF35-95B60AADF970 |
treatment provided by |
Plazi |
scientific name |
Tetragoneura |
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Key to European species of Tetragoneura View in CoL View at ENA
1. R4 and small cell absent. Sensory organ on dorsal side of male mid tibia present. Mid tibia in male with one spur. Tergite 9 at least half as high as gonocoxites, cerci reduced.............................................................. 2
- R4 normally developed forming elongated small cell (small cell may be reduced or even absent in one or both wings in T.sylvatica View in CoL ). Sensory organ on dorsal side of male mid tibia not developed. Mid tibia in male with two spurs. Tergite 9 not higher than 1/3 of gonocoxites, mostly as a narrow transverse stripe, cerci well developed.................................. 3
2. Gonostylus relatively short with apical hook. Tergite 9 with submedian appendages ( Fig. 1 View FIGURE 1 : A–C). Female terminalia as in Fig. 3 View FIGURE 3 A, B................................................................... Tetragoneura ambigua Grzegorzek View in CoL
- Gonostylus elongated, angled the middle. Tergite 9 without submedian appendages ( Fig. 1 View FIGURE 1 : D–F)................................................................................................... Tetragoneura pudogensis View in CoL sp. n.
3. Tergite 9 divided into two separate sclerites. Gonostylus attenuated to apex, with curved seta at base ( Fig. 2 View FIGURE 2 : E, F). Female terminalia as in Fig. 3 View FIGURE 3 : C, D....................................................... Tetragoneura ruuhijarvii View in CoL sp. n.
- Tergite 9 integrate. Gonostylys different.................................................................... 4
4. Gonostilus bilobed ( Fig. 2 View FIGURE 2 : C, D)................................................ Tetragoneura obirata Plassmann View in CoL
- Gonostylus ovate with strongly sclerotised, blade-like sub-apical process ( Fig. 2 View FIGURE 2 : A, B). Female terminalia as in Fig. 3 View FIGURE 3 : E, E.............................................................................. Tetragoneura sylvatica Curtis View in CoL
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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