Euplister, Pierotti & Bellò & Alonso-Zarazaga, 2010

Pierotti, Helio, Bellò, Cesare & Alonso-Zarazaga, Miguel A., 2010, 2376, Zootaxa 2376, pp. 1-96 : 35

Key to the Iberian species of Euplister

(The distinction of the species is difficult due to significant intraspecific variability).

1 Elytra with uniformly distributed setae, even in posterior part..................................................................................... 2

- Elytra with setae grouped in desquamulate areoles in posterior part............................................................................ 4

2 Pterygia prominent; elytra with translucid, sparse scales on dorsum (Castellón) ........................................... E. mimus

- Pterygia indistinct; elytra with grey, bronze or emerald scales on dorsum................................................................... 3

3 Eyes subconvex; mandibles distinctly longer than wide; at least first desmomere with few sparse setae; elytra globose in males, elongate in females ( Granada) ................................................................................................ E. susanae

- Eyes flattened; mandibles not longer than wide; even first desmomere with dense setae; elytra elongate in both sexes (Valencia) ................................................................................................................................................... E. setabensis

4 Elytra on dorsum with strongly imbricate scales .......................................................................................................... 5

- Elytra on dorsum with not or hardly imbricate scales .................................................................................................. 8

5 Pterygia not or hardly prominent; desquamulate areoles on elytra with sparse setae, size 4.5–6.1 mm (Valencia) ...... ...................................................................................................................................................................... E. moroderi

- Pterygia prominent; desquamulate areoles of elytra with dense setae (Andalusia) ..................................................... 6

6 Rostrum subquadrate; desmomere 2 distinctly longer than 4+5; size 3.6–7.5 mm (approximate mean: 5.8 mm) ( Granada, Málaga, Cádiz) ............................................................................................................................. E. hybridus

- Rostrum transverse, sides strongly convergent apicad; desmomere 2 shorter than or subequal to 4+5; size 3.1–5.3 mm (approximate mean: 3.9 mm) ................................................................................................................................ 7

7 Length of eye in dorsal view not or hardly smaller than distance between front margin of eye and hind margin of pterygium; lateral outline of elytra in dorsal view weakly rounded; metatibia with robust, condensed setae on outer margin, forming a swelling near apex (Málaga) ............................................................................................... E. frater

- Length of eye in dorsal view clearly smaller than distance between front margin of eye and hind margin of pterygium; lateral outline of elytra markedly rounded; metatibia on outer margin near apex only with filiform setae ( Granada).................................................................................................................................................................. E. trifolii

8 Antennal funicle slender, desmomere 5 moniliform (Lérida, Barcelona, Tarragona) ................... E. megalophthalmus

- Antennal funicle robust, desmomere 5 transverse ....................................................................................................... 9

9 Rostrum not wider at base than at level of pterygia; scales on the pronotal disc elongate; desmomere 1 not or hardly longer than 2, at least in basal half with filiform setae (Córdoba, Málaga) ........................................... E. andalusicus

- Rostrum distinctly wider at base than at level of pterygia; scales on pronotal disc rounded; desmomere 1 clearly longer than 2, with setae broadened apically even on basal half (Alicante) ................................................. E. velazquezi