Onconeura Andersen et Saether

Wiedenbrug, Sofia, Mendes, Humberto F., Pepinelli, Mateus & Trivinho-Strixino, Susana, 2009, Review of the genus Onconeura Andersen et Saether (Diptera: Chironomidae), with the description of four new species from Brazil, Zootaxa 2265, pp. 1-26 : 23

publication ID

https://doi.org/ 10.5281/zenodo.190820

DOI

https://doi.org/10.5281/zenodo.5635516

persistent identifier

https://treatment.plazi.org/id/F064878E-5824-A943-FF26-FDCBFA48F9AC

treatment provided by

Plazi

scientific name

Onconeura Andersen et Saether
status

 

Key to known pupae of Onconeura Andersen et Saether View in CoL View at ENA

1. Fringe of anal lobe much shorter as anal lobe length .................................................................................................. 2

- Fringe of anal lobe with at least some taeniate seta subequal or longer as anal lobe length ....................................... 4

2. Frontal apotome keel shaped ( Fig. 9 View FIGURE 9 A); L2 -seta never as long as half of segment length ......... Onconeura View in CoL sp. “hat”

- Frontal apotome not as above; L2 -seta at least as long as half of segment length....................................................... 3

3. TII/III with 6 – 10 hooklets on conjunctive; shagreen of TII–TIV not contiguous to posterior row of spines; spines of caudal row on TIV almost as long as wide ( Fig. 9 View FIGURE 9 F) ........................................................... Onconeura View in CoL sp. “taquara”

- TII/III with 0 – 1 hooklet on conjunctive; shagreen of TII–TIV contiguous to caudal spine rows; spines of caudal row on TIV longer than wide ( Fig. 1 View FIGURE 1 E) ................................................................................... Onconeura cascatinha View in CoL sp.n.

4. TIII–TVII with three L-setae; fringe with less than 10 taeniate setae subequal or longer than anal lobus length......... ....................................................................................................................................... Onconeura oncovolsella View in CoL sp.n.

- TIII–TVII with four L-setae; fringe with more than 10 taeniate setae longer than anal lobus ................................... 5

5. Conjunctive TV/VI and TVI/VII with 2 hooklets only; sternite II usually without shagreen ....................................... ............................................................................................... Onconeura View in CoL sp. “ET157” (Ospina Torres 1992, fig. 164)

- Conjunctive TV/VI always and TVI/VII usually with more than two hooklets; sternite II with fine shagreen or long spines ........................................................................................................................................................................... 6

6. Points of shagreen on sternite II about as long as points of shagreen on sternite III .................................................. 7

- Posterior points of shagreen on sternite II longer than points of shagreen on sternite III ........................................... 8

7. L2 -seta of segment VIII very long reaching fringe bases; conjunctive TII/III usually with 4–5 hooklets..................... ...................................................................................................................................................... Onconeura japi View in CoL sp.n.

- L2 -seta of segment VIII shorter; conjunctive TII/III usually with 2–3 hooklets............. Onconeura similispina View in CoL sp.n.

8. Median area of TII, TIII and SII without shagreen; posterior field of shagreen on SII with strongly needle like spinules .................................................................................................................................... Onconeura View in CoL sp. “ buriti”

- Median area of TII, TIII and SII with shagreen; posterior field of shagreen on SII with points slightly longer than others............................................................................................................................................................................ 9

9. Fringe with more than 20 taeniate setae longer than anal lobus; L2-seta on segment VIII longer and stronger than L1- seta ............................................................................................................... Onconeura semifimbriata ( Saether, 1981) View in CoL

- Fringe with less than 15 taeniate setae longer than anal lobus; L-seta on segment VIII subequal ................................ ........................................................................................................ Onconeura undecimata Andersen et Saether 2005 View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Diptera

Family

Chironomidae

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