Review of the genus Onconeura Andersen et Saether (Diptera: Chironomidae), with the description of four new species from Brazil Author Wiedenbrug, Sofia Author Mendes, Humberto F. Author Pepinelli, Mateus Author Trivinho-Strixino, Susana text Zootaxa 2009 2265 1 26 journal article 10.5281/zenodo.190820 32152780-5bd3-49a4-b3c5-5a13c9fb3db8 1175-5326 190820 Key to known pupae of Onconeura Andersen et Saether 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 A); L2 -seta never as long as half of segment length ......... Onconeura 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 F) ........................................................... Onconeura 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 E) ................................................................................... Onconeura cascatinha 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 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 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 sp.n. - L2 -seta of segment VIII shorter; conjunctive TII/III usually with 2–3 hooklets............. Onconeura similispina sp.n. 8. Median area of TII, TIII and SII without shagreen; posterior field of shagreen on SII with strongly needle like spinules .................................................................................................................................... Onconeura 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 ) - Fringe with less than 15 taeniate setae longer than anal lobus; L-seta on segment VIII subequal ................................ ........................................................................................................ Onconeura undecimata Andersen et Saether 2005