Elachista dispilella

Kaila, Lauri, Baran, Tomasz & Mutanen, Marko, 2015, A revision of the Elachista dispilella complex (Lepidoptera: Gelechioidea: Elachistidae), Zootaxa 3963 (4), pp. 517-560 : 521

Key to males of the species of the Elachista dispilella complex

1. Antennae serrate...................................................................................... 2

- Antennae simple...................................................................................... 3

2. Gnathos oval-shaped......................................................................... E. flavescens

- Gnathos rounded.............................................................................. E. implana

3. One cornutus in phallus................................................................................. 4

- Cornutus formed of a cluster of elongate, spine-like cornuti....................................................8

4. Gnathos rounded or broader than its length.................................................................5

- Gnathos oval-shaped...................................................................................6

5. Gnathos 1.5. times as broad as long; spine of cornutus as long as width of basal plate of cornutus.............. E. cornuta

- Gnathos as broad as long; spine of cornutus shorter than width of basal plate of cornutus.................... E. sitibunda

6. Distal margin of juxta lobes with setose lobe laterally.................................................. E. laterotis

- Distal margin of juxta lobes without setose lobe laterally....................................................... 7

7. Digitate process longer than juxta lobes.......................................................... E. vartianae

- Digitate process shorter than juxta lobes........................................................... E. bazaensis

8. Uncus lobes evenly tapered to apex.......................................................................9

- Uncus lobes narrowly or broadly sickle-shaped.............................................................10

9. Forewing white with one or two grey spots; wingspan 8–10 mm, juxta lobes strongly laterally produced.......... E. bruuni

- Forewing unicolorous, creamy or dirty greyish white, wingspan 6–7 mm, juxta lobes not laterally produced... E. nitidulella

10. Posterior margin of juxta lobes with posteriorly directed seta-bearing lobe laterally............................ E. ripai

- Posterior margin of juxta lobes without lateral lobe..........................................................11

11. Posterior half of phallus dilated, diameter twice that in distal half....................................... E. turkensis

- Posterior half of phallus not comspicuously dilated..........................................................12

12. Length of cornutus group over 1/3 of the length of phallus............................................. E. dispilella

- Length of conutus group at most 1/4 of the length of phallus...................................................13

13. Apical spines of cornutus group bent, disproportionately long as compared to basal ones.................. .. E. curonensis

- Spines of cornutus group straight, nearly evenly long or gradually lengthening towards distal part of phallus............14

14. At least some of the spines of cornutus group separate, or cornutus group divided into two separate groups.............. 15

- Spines of cornutus group in single conglomeration..........................................................16

15. Phallus shorter than valva................................................................... E. festucicolella

- Phallus as long as valva....................................................................... E. bigorrensis

16. Gnathos rounded............................................................................ E. teruelensis

- Gnathos oval-shaped..................................................................................17

17. Forewing with plical and discal spots present; posterior margin of juxta lobes concave................... E. distigmatella

- Forewing unicolorous; posterior margin of juxta lobes straight or convex........................................ 18

18. Forewing pale yellow; valva 4 times as long as wide................................................ E. filicornella

- Forewing white; valva at least 6 times as long as wide.................................................. E. levasi