Corynoneura

Wiedenbrug, Sofia & Trivinho-Strixino, Susana, 2009, Ubatubaneura, a new genus of the Corynoneura group (Diptera: Chironomidae: Orthocladiinae) from the Brazilian Atlantic Forest, Zootaxa 1993, pp. 41-52 : 43

Key to the pupae of the Corynoneura group

The pupa of Physoneura is unknown.

1. Thoracic horn absent; pedes spurii A and B absent; tergite II without pad of spines or hooks; if hooks present on posterior margin of tergite II, then hooks also present on tergites III and IV; anal lobe fringe usually present, except in Ichthyocladius and Notocladius . Corynoneura group .................................................................................................. 2

- Character combinations different................................................................................................................... not keyed

2. Anal lobe strongly reduced, with apical or ventral macrosetae; anal lobe fringe absent; with hooklets on tergites I–IV and sternites IV–VII .................................................................................................................... Ichthyocladius Fittkau

- Anal lobe well developed; macrosetae not as above; anal lobe fringe present or absent; hooklets usually absent on sternites ......................................................................................................................................................................... 3

3. Anal lobe fringe absent; margin of anal lobe with small, lateral denticles ( Harrison 1997 Fig. 3 ); with three anal macrosetae ..................................................................................................................................... Notocladius Harrison

- Anal lobe fringe present; margin of anal lobe without denticles; anal macrosetae present or absent. ....................... 4

4. Anal macrosetae absent; inner margin of anal lobe without setae; with humeral callus with broad spine (Epler & de la Rosa 1995, Fig 3 C); anal lobe with fringe in apical 1/3 ................................. Tempisquitoneura Epler et de la Rosa

- Anal macrosetae present; inner margin of anal lobe with setae; humeral callus not as above; anal lobe with full fringe or fringe restricted to apical 1/3 .................................................................................................................................... 5

5. With single anal macroseta; anal lobe with fringe in apical 1/3, some lateral fringe setae spine-like; median corner of anal lobe with 1–3 spines ............................................................................................. Onconeura Andersen et Saether

- With 3 anal macrosetae; if anal lobe fringe restricted to apical 1/3, then fringe with taeniate setae only; median corner of anal lobe without spines ..................................................................................................................................... 6

6. Segments III–V each with 2 long, taeniate L-setae; segments VI–VIII without taeniate setae; with anal lobe fringe in distal 1/3; with macroseta on tubercles ventral on anal lobe ....................................................... Ubatubaneura n. gen.

- Segments IV–VIII usually with 4, rarely with 1 taeniate L-setae; anal lobe fringe rarely restricted to distal 1/2; with macrosetae dorsal on anal lobe ..................................................................................................................................... 7

7. Pearl row on wing sheath present .............................................................................................. Corynoneura Winnertz

- Pearl row on wing sheath absent .............................................................................................. Thienemanniella Kieffer

Figures

FIGURE 3. Ubatubaneura atlantica n. sp., pupa. A — frontal apotome, antennal and eye sheaths. B — thorax, lateral view. C — wing sheath, distal margin. D — abdomen, dorsal view. E — sternites I – VIII. F — anal lobe, ventral view.