Revision of the South American genera Andinocopris new genus and Homocopris Burmeister, 1846 (Coleoptera: Scarabaeidae: Scarabaeinae: Homocoprini new tribe) Author Génier, François 572832CC-0B64-42E8-957C-D4A224A36854 Beaty Center for Species Discovery, Canadian Museum of Nature, 1740 Pink Road, Gatineau, Québec, J 9 J 3 N 7, Canada. FGenier@nature.ca Author Darling, James D. G. BCDAB0EF-504A-4886-8CD8-1E88FA116143 Beaty Center for Species Discovery, Canadian Museum of Nature, 1740 Pink Road, Gatineau, Québec, J 9 J 3 N 7, Canada. james21darling@gmail.com text European Journal of Taxonomy 2024 2024-03-15 925 220 267 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2465/10955 journal article 10.5852/ejt.2024.925.2465 2118-9773 10824968 5848AF9A-F01D-45F1-8626-E489AC15EE7F Homocoprini tribe nov. urn:lsid:zoobank.org:act: A86B4671-86B5-41A2-B468-611826BCD7C9 Type genus Homocopris Burmeister, 1846 , present designation. Differential diagnosis The only group of Scarabaeinae with a lateral pronotal carina combined with a setose elytral underside. Description Typical tunneler overall body shape. Size moderate to large; secondary sexual characters present and located on dorsum of head and pronotum; integument rather thin and flexible; antennal club elongate oval, symmetrical; internal surface of first segment of antennal club pubescent; distal edge of epipharynx straight; anterior pronotal membrane covering entire width of head insertion; lateral pronotal declivity with a strong carina connected to the lateral pronotal edge anteriorly, surface between carina and lateral edge flat and upright (slightly concave and overlapping only in A. achamas ); posterior portion of pronotal lateral edge at most slightly sinuate; elytra with eight visible striae, stria eight absent or vestigial in some specimens of A. achamas ( Fig. 62 ), stria 9 absent on basal fifth, distinct from stria 10 throughout; elytral internal surfaces with long semi erected setae; tarsal claws present; meso and metatibiae with four edges in mid cross section, expanding from base to apex and lacking transverse ridges on external surface; hindwings with AA3 connected to Cu and RP1 narrow and sharply defined throughout; apodeme of metasternalmetacoxal membrane present; unguinotarsal axillary lamellae present; medial endophallite absent. Genera included Andinocopris gen. nov. and Homocopris Burmeister, 1846 .