Euboeus, Boieldieu, 1865

Nabozhenko, Maxim V., 2022, A taxonomic review of the genus Euboeus Boieldieu, 1865 (Coleoptera: Tenebrionidae: Helopini) of the Caucasus, Iran and Turkmenistan, Zootaxa 5159 (4), pp. 451-486 : 484

publication ID	https://doi.org/10.11646/zootaxa.5159.4.1
DOI	https://doi.org/10.5281/zenodo.6794277
persistent identifier	https://treatment.plazi.org/id/FA1487CE-FFBD-5F15-D3B9-56D62EB80BB3
treatment provided by	Plazi
scientific name	Euboeus
status

Treatment

Key to species of the genus Euboeus of the Caucasus, Iran and Turkmenistan on females

(without E. prometheus , E. arzanovi and E. zubovi whith unknown females)

1 Pronotum and head dorsally strongly shiny, dark-bluish or dark-violet, elytra black ( Fig. 19B View FIGURE 19 )............ E. chorasanicus

- Body dorsally dull, completely black ( Figs 2D View FIGURE 2 , 4E View FIGURE 4 , 7E View FIGURE 7 , 9C View FIGURE 9 , 11D View FIGURE 11 , 12B View FIGURE 12 , 13D View FIGURE 13 , 14C View FIGURE 14 , 15C View FIGURE 15 , 17C View FIGURE 17 )......................... 2

2 Puncturation of head and pronotum coarse and dense, punctures subequal or larger than interpuncture distance; sometimes punctures coarse and sparse at middle of pronotum ( Figs 1A View FIGURE 1 , 2E, F View FIGURE 2 , 4F, G View FIGURE 4 , 5D, E View FIGURE 5 , 6B–D View FIGURE 6 , 7F, G View FIGURE 7 )...................... 3

- Puncturation of head and pronotum fine and sparse, puncture diameter much lesser than interpuncture distance ( Figs 9D, E View FIGURE 9 , 10A, B View FIGURE 10 , 11E, F View FIGURE 11 , 13E, F View FIGURE 13 , 14D, E View FIGURE 14 , 15D, E View FIGURE 15 , 17D, E View FIGURE 17 ), at least in anterior half ( Fig. 12B View FIGURE 12 )................................ 6

3 Pronotum with very coarse and dense puncturation of longitudinally elongated punctures, especially on lateral sides of disc; median smooth line of pronotum elevated near base and separated from another surface by impression with very dense merged punctures ( Fig. 2D, E, F View FIGURE 2 ).................................................................... E. corrugosus

- Pronotum with coarse and dense puncturation of simple round, not merged punctures; median line not elevated near base or absent ( Figs 4E View FIGURE 4 , 6B–D View FIGURE 6 , 7E View FIGURE 7 )............................................................................. 4

4 Head densely pubescent by reddish, recumbent, long setae ( Figs 6B–D View FIGURE 6 )................................... E. vicinus

- Head bare ( Figs 4E View FIGURE 4 , 7E View FIGURE 7 )............................................................................... 5

5 Metaventrite and abdominal ventrites pubescent with long recumbent hairs ( Fig. 4C, D View FIGURE 4 ).................. E. gorganicus

- Metaventrite and abdominal ventrites bare, covered with simple very short setae ( Fig. 7C, D View FIGURE 7 )............... E. zoroaster

6 Lateral margins of pronotum not completely beaded, bead widely interrupted at middle ( Figs 14C View FIGURE 14 , 17C View FIGURE 17 )................ 7

- Lateral margins of pronotum completely beaded ( Figs 9C View FIGURE 9 , 11D View FIGURE 11 , 13D View FIGURE 13 ) or completely not beaded ( Fig. 12B View FIGURE 12 , 15C View FIGURE 15 )......... 8

7 Prothoracic hypomera wrinkled ( Fig. 17F View FIGURE 17 )...................................................... E. quadricollis

- Prothoracic hypomera coarsely punctured ( Fig. 14F View FIGURE 14 )............................................. E. krivokhatskyi

8 Lateral margins of pronotum not beaded ( Figs 12B View FIGURE 12 , 15C View FIGURE 15 )..................................................... 9

- Lateral margins of pronotum completely beaded ( Figs. 7C, D, E View FIGURE 7 , 9D, E, F View FIGURE 9 , 10D, E, F View FIGURE 10 ).............................. 10

9 Prothoracic hypomera with coarse large longitudinal wrinkles ( Fig. 12F View FIGURE 12 ). Lateral margins of pronotum strongly rounded at middle and widely emarginated at base ( Fig. 12B View FIGURE 12 )................................................. E. kalashiani

- Prothoracic hypomera with dense, large, foveolate punctures ( Fig. 15F View FIGURE 15 ). Lateral margins of pronotum weakly evenly rounded ( Fig. 15C View FIGURE 15 )................................................................................... E. merkli

10 Pronotum widest ahead of middle ( Fig. 9C View FIGURE 9 ). Prothoracic hypomera not flattened along margin, with small confused microwrinkles with poorly distinguished sparse smoothed puncturation against their background; wrinkles with microgranulation at anterior third ( Fig. 9F View FIGURE 9 ).......................................................................... E. grimmi

- Pronotum widest at middle or behind middle ( Figs 11D View FIGURE 11 , 13D View FIGURE 13 ). Prothoracic hypomera narrowly ( Fig. 13G View FIGURE 13 ) or widely ( Fig. 11G View FIGURE 11 ) flattened along margin, coarsely and densely punctured ( Fig. 13G View FIGURE 13 ) or coarsely longitudinally wrinkled ( Fig. 11G View FIGURE 11 ), without microgranulation.................................................................................... 11

11 Prothoracic hypomera with coarse longitudinal wrinkles; lateral margin of prothoracic hypomera widely flattened ( Fig. 11G View FIGURE 11 )......................................................................................... E. huedepohli

- Prothoracic hypomera with coarse puncturation and smooth wrinkles at middle; lateral margin of prothoracic hypomera very narrowly weakly flattened ( Fig. 13G View FIGURE 13 )............................................................ E. kasatkini