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 Key to genera and species of Eucinetidae occurring in Australia 1. Elytra without transverse strigulae ( Figs 89–90 ); ratio of body length to elytral width less than 1.60 ( Figs 30–33 ); ratio of greatest depth to elytral width usually greater than 0.70; posterior edge of mesoventrite rounded ( Fig. 102 ); anterior edge of labrum broadly rounded with small median notch ( Figs 125–126 ); hind wings highly reduced or absent; parameres much shorter than penis ( Figs 140–142 ).................................................... Noteucinetus Bullians & Leschen … 2 - Elytra with transverse strigulae ( Figs 77–88 ); ratio of body length to elytral width greater than 1.60 ( Figs 1–29 ); ratio of greatest depth to elytral width usually less than 0.70; posterior edge of mesoventrite notched ( Fig. 101 ); anterior edge of labrum more or less truncate, without median notch ( Figs 123, 127 ); hind wings well-developed or absent; parameres more or less equal in length to penis ( Figs 128–139 )................................................. Eucinetus Germar … 3 2(1). Length greater than 1.40 mm ; body more than 1.4 times as long as elytral width; elytra reddish brown to dark brown or black, with reddish stripe along elytral suture ( Figs 32–33 ); mesotibia in both sexes with two spurs, one of which in male is apically widened and cleft ( Fig. 108 ); free portion of paramere narrow and parallel-sided; Victoria ( Figs 140–141 )................................................................................................... N. victoriae sp. nov. - Length less than 1.40 mm ; body less than 1.4 times as long as elytral width; elytra yellow or yellow with black markings ( Figs 30–31 ); mesotibia in both sexes with one acute spur; free portion of paramere broad at base and narrowing towards subacute apex; northern NSW and southern QLD ( Fig. 142 )........................................... N. ornatus sp. nov. 3(1). Metanepisternum almost as long as or longer than mesepimeron and at least twice as long as wide ( Fig. 96 ); hind wings welldeveloped; inner eye margin with distinct notch ( Fig. 35 ); scutellar shield somewhat rounded at apex ( Fig. 100 )......... 4 - Metanepisternum distinctly shorter than mesepimeron and about as long as wide ( Fig. 95 ); hind wings absent; inner eye margin without distinct notch ( Fig. 34 ); scutellar shield sharply acute at apex ( Fig. 103 )................................... 7 4(3). Body less than 1.90 times as long as wide; elytra less than 1.57 times as long as wide; apical maxillary palpomere widest at middle and acute at apex ( Figs 62, 65 ).................................................................... 5 - Body more than 1.90 times as long as wide; elytra more than 1.57 times as long as wide; apical maxillary palpomere widened and obliquely truncate apically ( Figs 57–58, 63 ); pronotum red and elytra black ( Figs 15–16, 20–23 ).................. 6 5(4). Upper surfaces entirely black ( Figs 24–25 ); 11th antennomere less than 1.8 times as long as wide ( Fig. 45 ); northern QLD.............................................................................. Eucinetus nebulosus sp. nov. - Head, pronotum and scutellar shield red, elytra black ( Figs 28–29 ); 11th antennomere more than 2.00 times as long as wide ( Fig. 51 ); northern QLD.......................................................... Eucinetus tropicus sp. nov. 6(4). Head at least partly black ( Fig. 16 ); apical maxillary palpomere less than 1.4 times as long as wide and more strongly, obliquely expanded apically ( Figs 57–58 ); 3rd antennomere only slightly shorter than 4th ( Fig. 36 ); 11th antennomere less than 1.5 times as long as wide ( Fig. 47 ); central NSW to northern QLD............................. Eucinetus lorien sp. nov. - Head red ( Fig. 23 ); apical maxillary palpomere more than 1.6 times as long as wide and less strongly, obliquely expanded apically ( Fig. 63 ); 3rd antennomere much shorter than 4th; 11th antennomere more than 1.7 times as long as wide ( Fig. 49 ); NSW, ACT, VIC, TAS............................................................. Eucinetus similis sp. nov. 7(3). Upper surfaces of pronotum and elytra uniformly dark brown or black; length less than 1.85 mm and elytra less than 1.44 times as long as wide; VIC ( Figs 17–19 ).................................................. Eucinetus minutus sp. nov. - Upper surface of pronotum never dark brown, usually reddish-brown or red; length usually greater than 1.85 mm and elytra more than 1.44 times as long as wide..................................................................... 8 8(7). Pronotum reddish-brown, elytra yellowish-brown ( Figs 5–12 , 26–27 )........................................... 9 - Pronotum red, elytra primarily black ( Figs 1–4 , 13–14 , 28–29 )................................................ 11 9(8). Length less than 2.00 mm; apical antennomere ( Fig. 42 ) at least 2.00 times as long as wide; apical maxillary palpomere ( Fig. 55 ) obliquely truncate apically with aciculate tip at one edge; pronotum reddish-brown, elytra yellowish-brown, head dark brown, undersurfaces mostly dark brown ( Figs 9–12 ); parameres distinctly bowed outwardly ( Figs 12 , 143 ); NSW...................................................................................... Eucinetus dorrigo sp. nov. - Length usually greater than 2.00 mm; apical antennomere less than 2.00 times as long as wide; apical maxillary palpomere gradually narrowed apically with aciculate tip in center ( Figs. 54, 64 ); parameres not outwardly bowed ( Figs 130 , 136 )... .. 10 10(9). Apical antennomere ( Fig. 41 ) more than 1.6 times as long as wide; 3rd antennomere distinctly shorter than 4th; sides of elytra more strongly curved; head and pronotum reddish-brown, elytra yellowish-brown and undersurfaces somewhat darker ( Figs 5–8 ); upper surfaces more distinctly curved in lateral view ( Fig. 6 ); length 2.00–2.20 (2.10 ± 0.07) mm; ACT...................................................................................... Eucinetus brindabellae sp. nov. - Apical antennomere ( Fig. 50 ) less than 1.5 times as long as wide; 3rd antennomere equal in length to 4th; sides of elytra less strongly curved; colour mainly yellowish-brown with legs and antennae yellow ( Figs 26–27 ); upper surfaces very slightly curved in lateral view ( Fig. 27 ); length 1.80–2.30 (2.06 ± 0.18) mm; TAS................. Eucinetus tasmaniae sp. nov. 11(8). Length almost always 2.00 mm or less; head, pronotum and scutellar shield red; elytra primarily black ( Figs 3–4 , 23 ).... 12 - Length greater than 2.00 mm; head always black ( Figs 1–2 , 13–14 )............................................ 13 12(11). Male protibia and basal protarsomeres distinctly expanded ( Figs 92, 99 ); terminal antennomere at least 1.9 times as long as wide, parallel-sided and apically truncate ( Fig. 44 ); parameres at middle distinctly narrower than penis at same point, strongly converging and slightly expanded apically; penis widest at subapex and then narrowed to acute apex ( Fig. 137 ); eastern VIC............................................................................ Eucinetus protibialis sp. nov. - Male protibia and basal protarsomeres not expanded; terminal antennomere about 1.5 times as long as wide and broadly rounded at apex ( Fig. 39 ); parameres at middle as wide as or slightly wider than penis at same point; penis not expanded subapically ( Fig. 129 ); TAS....................................................... Eucinetus bicolorellus sp. nov. 13(11). Pronotum red; head, scutellar shield, elytra and undersides black ( Figs 1–2 ); length usually less than 2.40 mm and body usually less than 1.80 times as long as combined elytral width; apical antennomere broadly rounded at apex ( Fig. 40 ); VIC....................................................................................... Eucinetus bicolor sp. nov. - Pronotum, scutellar shield and sides of elytra red; head and most of elytra black ( Figs 13–14 ); length usually greater than 2.30 mm and body more than 1.80 times as long as combined elytral width; apical antennomere subtrunacte at apex ( Fig. 43 ); northern NSW, southern QLD..................................................... Eucinetus limitaris sp. nov.