Urodeta

Prins, Jurate De & Sruoga, Virginijus, 2012, A review of the taxonomic history and biodiversity of the genus Urodeta (Lepidoptera: Elachistidae: Elachistinae), with description of new species, Zootaxa 3488, pp. 41-62 : 58

Key to the species of Urodeta based on female genitalia*

1. Corpus bursae with signum............................................................................ 2

- Corpus bursae without signum......................................................................... 10

2. Both pairs of apophyses (anteriores and posteriores) present.................................................. 3

- Apophyses anteriores absent........................................................................... 8

3. Apophyses posteriores very short, about 4.5 times longer than wide ( Sruoga & De Prins 2011, figs 42–49)...... U. bucera

- Apophyses posteriores long, more than 9 times longer than wide............................................... 4

4. Signum formed by weakly sclerotized plate with four large teeth in row (Kaila 2011, fig. 98).................. U. inusta

- Signum without four teeth in row....................................................................... 5

5. Ductus bursae not coiled, gradually broadened cephalically, almost smoothly continued to corpus bursae............... 6

- Ductus bursae coiled or not coiled, much narrower than corpus bursae.......................................... 7

6. Dorsal wall of antrum covered by small spines; ductus bursae with longitudinal folds; signum sickle-shaped (figs 6–10).............................................................................................. U. acinacella

- Dorsal wall of antrum without small spines; ductus bursae without longitudinal folds; signum not sickle-shaped ( Koster & Sinev 2003, fig. 55)........................................................................ U. hibernella

7. Ductus bursae coiled, with internal spines; signum formed by one sickle-shaped spine and weakly sclerotized transverse plate covered with tiny spines ( Sruoga & De Prins 2009, figs 41–43)...................................... U. falciferella

- Ductus bursae not coiled, without internal spines; signum formed by two weakly connected plates, each with a large spine and few smaller ones (figs 14–16)................................................................ U. quadrifida

8. Apophyses posteriores present, very short; ductus bursae not coiled............................................ 9

- Apophyses absent; ductus bursae coiled ( Sruoga & De Prins 2011, figs 77–82).............................. U. talea

9. Signum formed by weakly sclerotized plate with four long teeth in row; corpus bursae without internal spines ( Mey 2007, figs 30, 31).................................................................................... U. maculata

- Signum formed by oval sclerotized plate with one large and several small spines; corpus bursae with internal spines, arranged in rows of 3–8 ones (figs 24–28)................................................................ U. trilobata

10. Apophyses posteriores vestigial, apophyses anteriores absent (Kaila 2011, fig. 99)....... U. sp. reared from Terminalia sp.

- Apophyses posteriores and anteriores present............................................................. 11

11. Corpus bursae divided by narrow prolonged constriction into two parts ( Sruoga & De Prins 2011, figs 29–32).... U. acerba

- Corpus bursae not divided............................................................................ 12

12. Corpus bursae narrow and long, about 4 times longer than wide ( Sruoga & De Prins 2011, figs 21, 22)........ U. absidata

- Corpus bursae rounded............................................................................... 13

13. Antrum with strongly sclerotized longitudinal folds ( Sruoga & De Prins 2009, figs 48, 49)................. U. spatulata

- Antrum without strongly sclerotized longitudinal folds..................................................... 14

14. Colliculum about 3 times longer than wide; antrum long and weakly sclerotized ( Sruoga & De Prins 2011, figs 66–71)................................................................................................... U. faro

- Colliculum as long as wide; antrum short and strongly sclerotized ( Sruoga & De Prins 2011, figs 85–88)....... U. tortuosa