HISTERIDAE, Gyllenhal, 1808

Leschen, Richard A. B. & Ôhara, Masahiro, 2017, Phylogenetic Placement of Abraeus vividulus Broun and Notes on New Zealand Histeridae (Coleoptera), The Coleopterists Bulletin 71 (3), pp. 537-551 : 549-550

GENERA OF HISTERIDAE

In the following key, introduced genera are indicated by an asterisk (*). Several histerids are quarantined, but are not established (e.g., Euspilotus

rubriculus Marseul); these are not in the key. The

couplets for Saprininae are modified from Lackner and Leschen (2017).

1. Antennal grooves or cavities on prosternum transverse, occurring on anterior side and usually closed beneath by prosternal alae.. ...................................................... 2

1 ′. Antennal grooves on prosternum longitudinal, usually situated next to vaulted prosternum and open beneath. .................... 3

2. Labrum with few setiferous punctures (Tribalinae) ....................................... 5

2 ′. Labrum lacking setae and setiferous punctures (Histerinae: Platysomatini) ............ 6

3. Transverse line present on prosternum in front of coxae (Dendrophilinae) ........... .......... Carcinops Marseul (*1 species)

3 ′. Transverse line on prosternum in front of coxae absent, though an anterior bead along the margin may be present ................... 4

4. Elytral striae absent, though sometimes represented by rather vague impressions... ...................................................... 7

4 ′. Elytral striae present (Saprininae) .......... 8

5. Elytra without striae .............................. ................ Tribalus Erichson (1 species)

5 ′. Elytra with striae .................................. ......... Parepierus Bickhardt (11 species)

6. Pronotal lateral striae complete; body small, length about 3.5 mm ............................. .................... Eblisia Lewis (*2 species)

6 ′. Pronotal lateral striae present only in anterior area; body larger, length about 7.5 mm ..... ......... Aulacosternus Marseul (1 species)

7. Tarsal formula 5-5-4 ( Abraeinae : Acritini) .... ................ Acritus LeConte (*1 species)

7 ′. Tarsal formula 5-5-5 ( Abraeinae : incertae sedis) ....................... Brounhister Leschen and Ôhara (1 species)

8. Prosternum narrowed, lacking flat area on anterior portion. ................................. 9

8 ′. Prosternum with flat area. .................. 10

9. Clypeus convex; head without frontal stria and rudimentary at sides, pronotum and elytra shining and lacking punctures. .......... .............. Reichardtia Wenzel (1 species)

9 ′. Clypeus not convex; head with frontal

stria; pronotum and elytra with coarse punctures ............................................ ..... Neopachylopus Reichardt (1 species)

10. Head without frontal stria. .................. 11

10 ′. Head with a complete frontal stria ........... ............... Saprinus Erichson (3 species)

11. Prosternal process with two large median foveae ..... Tomogenius Marseul (2 species)

11 ′. Prosternal process lacking foveae ............ .... Gnathoncus Jacquelin-Duval (*2 species)