New species of Eucinetus and Noteucinetus from Australia (Coleoptera: Scirtoidea: Eucinetidae) Author Lawrence, John F. text Zootaxa 2019 2019-09-10 4668 2 151 182 journal article 25557 10.11646/zootaxa.4668.2.1 f59e1e92-ed51-43e7-8a5b-6b12f19b37e2 1175-5326 3415013 DDEB92E2-3F1B-463F-B68C-4C3E282279FF Eucinetus Germar, 1818 Eucinetus Germar 1818: 255 . Type species: Scaphidium haemorrhoidale Germar, 1818 . Hamaxobium Duftschmid 1825: 79 . Type species: Hamaxobium haemorrhoum Duftschmid, 1825 . Apeosina Broun 1881: 692 . Type species: Apeosina stewarti Broun, 1881 . Cryptomera Broun 1893: 1358 . Type species: Cryptomera nigra Broun, 1893 . Diagnosis . Species of Eucinetus differ from those of Noteucinetus in the more elongate body with a somewhat less convex upper surface, elytra with transverse strigulae ( Figs 77–88 ), slightly incrassate to subserrate antennae ( Figs 4, 10 , 14, 18, 22 , 25 , 36 ), lateral arms of metendosternite forming an angle of less than 45 degrees with apical muscle discs not circular ( Fig. 94 ), prosternal process not widened apically, mesoventrite with slender cavity and notched posterior edge ( Fig. 101 ), hind wings either fully developed or absent, sternite IX in male elongate with rounded apex and slender basal strut ( Figs 114–116 ) and parameres as long as or slightly longer than penis ( Figs 128–139 ). The Holarctic genus Nycteus may be distinguished from both Eucinetus and Noteucinetus by the elongate head with antennal insertions and antennal grooves completely exposed, the U-shaped frontoclypeal suture and the anterolateral angle of the mesepimeron acute. In both Eucinetus and Noteucinetus , the head is much shorter and broader with antennal insertions and antennal grooves more or less concealed ( Figs 34–35 ), the frontoclypeal suture is straight and transverse with a distinct angle at each end and the anterolateral angle of the mesepimeron is never sharply acute. Note . Eucinetus is a widely distributed genus with 21 described species from North to South America, Eurasia, Africa, Sri Lanka , Malaysia and New Zealand ; it is likely, however, that numerous other species remain to be described from various regions. The Australian fauna is diverse and only partially described in the present treatment. Four winged species are described here, although Eucinetus lorien and Eucinetus similis may represent geographic variants, and specimens of Eucinetus lorien from the type locality in NSW ( Figs 46 , 58 , 133 ) differ slightly from those from northern QLD ( Figs 48 , 57 , 132 ). There are almost certainly more wingless species to be described, especially from southern coastal and montane NSW, but these will have to await a more thorough study.