Allecula Fabricius, 1801

Novák, Vladimír, Jansson, Nicklas, Chiari, Stefano, Zauli, Agnese, Audisio, Paolo & Carpaneto, Giuseppe M., 2012, A new species of Allecula (Coleoptera: Tenebrionidae: Alleculinae) from cork oak stands of Italy, Zootaxa 3483, pp. 29-38 : 37

Key to males of European species of Allecula Fabricius, 1801

1 Antennomere 4 1.6–2.6 times as long as antennomere 3....................................................... 2

- Antennomere 4 only 0.8–1.2 times as long as antennomere 3................................................... 6

2 Antennomere 4 less than twice as long as antennomere 3...................................................... 3

- Antennomere 4 more than twice as long as antennomere 3..................................................... 4

3 Elytra dark brown, pronotum narrow (PI about 75). Europe............................... A. morio ( Fabricius, 1787)

- Elytra ochre yellow, pronotum broad (PI about 60). Italy....................................... A. suberina sp. nov.

4 Antennomere 4 distinctly longer than twice as long as antennomere 3, space between eyes narrower (OI about 30)......... 5

- Antennomere 4 slightly longer than twice as long as antennomere 3, space between eyes broader (OI about 35). Europe....................................................................................... A. rhenana Bach, 1856

5 Elytra brown, antennae, tibiae, tarsi reddish-brown, elytral interspaces distinctly convex, pronotum broader (PI about 60) with fine microgranulation, rather dull. Turkey................................................ A. turcica Novák, 2011

- Elytra ochre yellow, antennae, tibiae, tarsi black, elytral interspaces flatter, pronotum narrower (PI about 70), microgranulation indistinct, shiny. Turkey............................................................. A. janssoni Novák, 2011

6 Antennomere 3 slightly shorter than antennomere 4......................................... A. divisa Reitter, 1883

- Antennomere 3 as long as or distinctly longer than antennomere 4.............................................. 7

7 Antennomere 3 distinctly longer than antennomere 4, antennomeres 5–10 narrower and shorter than antennomere 4, ultimate palpomere strongly dilated.................................................... A. oronthea Baudi di Selve, 1881

- Antennomere 3 as long as antennomere 4, antennomeres 5–10 distinctly longer than antennomere 4, ultimate palpomere only slightly dilated..................................................................... A. estriata Seidlitz, 1896