Ecnomidae

Cartwright, David I., 2011, Descriptions of Neboissomina, new genus and 6 new species of Ecnomidae from Australia (Trichoptera), Zootaxa 2736, pp. 17-30 : 18-19

Key to genera of Australian (and south-west Pacific) Ecnomidae adults

(after Flint 1973; Li and Morse 1997; Cartwright 2008, 2009, 2010)

1 Forewing fork 1 present ( Cartwright 1990: fig.9)............................................. Ecnomus ( Australia) .

- Forewing fork 1 absent (Fig. 2).......................................................................... 2

2 Hind wing with fork 3 absent ( Cartwright 2010, fig. 1)........................................................ 3

- Hind wing with fork 3 present (Fig. 2).................................................................... 4

3 Forewing fork 2 with a short footstalk, footstalk about same length as crossvein r -m, fork 3 sessile ( Ward & Schefter 2000, fig. 4); head dorsally with posterior occipital warts positioned longitudinally ( Ward & Schefter 2000, fig. 1)................................................................................................. Agmina ( New Caledonia).

- Forewing fork 2 with a long footstalk, footstalk about 4 times length of crossvein r -m, fork 3 with a long footstalk ( Cartwright 2010, fig. 1); head dorsally with posterior occipital warts positioned transversely ( Cartwright 2010, fig. 2).......................................................................................... Absensomina (NE Queensland).

4 Forewing with both forks 2 and 3 relatively short and with long footstalks, and hind wing with fork 3 shorter than footstalk ( Cartwright 2010, fig. 7; Ward & Schefter 2000, fig. 59)...................................................... 5

- Forewing with both forks 2 and 3 relatively long and with short footstalks, and hind wing with fork 3 longer than footstalk ( Cartwright 2008, figs 1, 3, 5; Cartwright 2009, figs 4, 14)................................................... 6

5 Hind wing fork 2 relatively short with long footstalk, footstalk about 3 times length of crossvein r -m; humeral lobe present ( Cartwright 2010, fig. 7)........................................................... Wellsomina (N Australia).

- Hind wing fork 2 relatively long with short footstalk, footstalk about as long as crossvein r -m; humeral lobe absent ( Ward & Schefter 2000, fig. 59)..................................................... Ecnomina kavinia ( New Caledonia).

6 Head with occipital warts aligned transversely (Fig. 1; Cartwright 2008, figs 4, 6).................................. 7

- Head with occipital warts aligned longitudinally ( Cartwright 2008, fig. 2; Cartwright 2009, fig. 15)................... 8

7 Female with pair of relatively small lobes or with no obvious lobes on sternite VIII (Figs 24–28); male tergum X with a pair of long, dorso-ventrally flattened mesal processes (Figs 3, 5)........................ Neboissomina (N. and E. Australia).

- Female with a single elongate lobe or process ( Cartwright 2008, figs 173–195; Neboiss 2003, fig. 16A); male tergum X without a pair of long, dorso-ventrally flattened mesal processes ( Cartwright 2008, figs 63–65)................................................................................................. Ecnomina ( Australia & New Zealand).

8 Forewing with cross veins r -m and m contiguous at fork 3 ( Cartwright 2009, figs 4, 14); female usually with a pair of large irregular-shaped lobes or processes on sternite VIII ( Cartwright 2009, figs 37–40); fore- and hind wings with fork 2 usually with footstalk, rarely sessile, forewing fork 2 without nygma ( Cartwright 2009, figs 4, 14); scutellum with oval scutal wart ( Cartwright 2009, fig. 15)............ Austrotinodes [species from E Australia and South America ( Chile, Argentina) only].

- Forewing with cross veins r -m and m not contiguous at fork 3 ( Cartwright 2008, fig. 1); female with pair of large rounded or ‘tongue-shaped’ lobes on sternite VIII ( Cartwright 2008, figs 55–62; Neboiss 2003, fig. 16E); fore- and hind wings with fork 2 usually sessile, rarely with short footstalk, forewing fork 2 usually with nygma ( Cartwright 2008, fig. 1); scutellum with heartshaped scutal wart ( Cartwright 2008, fig. 2)...................................... Daternomina (S and E. Australia).