Eucinetidae, Lacordaire, 1857

Lawrence, John F., 2019, New species of Eucinetus and Noteucinetus from Australia (Coleoptera: Scirtoidea: Eucinetidae), Zootaxa 4668 (2), pp. 151-182 : 154-155

publication ID	https://doi.org/ 10.11646/zootaxa.4668.2.1
publication LSID	lsid:zoobank.org:pub:DDEB92E2-3F1B-463F-B68C-4C3E282279FF
persistent identifier	https://treatment.plazi.org/id/E52C87D7-3D38-FF9D-FF74-49722998FE58
treatment provided by	Plazi
scientific name	Eucinetidae
status

Treatment

Key to genera and species of Eucinetidae View in CoL View at ENA occurring in Australia

1. Elytra without transverse strigulae ( Figs 89–90 View FIGURES 89–103 ); ratio of body length to elytral width less than 1.60 ( Figs 30–33 View FIGURES 24–33 ); ratio of greatest depth to elytral width usually greater than 0.70; posterior edge of mesoventrite rounded ( Fig. 102 View FIGURES 89–103 ); anterior edge of labrum broadly rounded with small median notch ( Figs 125–126 View FIGURES 119–132 ); hind wings highly reduced or absent; parameres much shorter than penis ( Figs 140–142 View FIGURES 133–148 ).................................................... Noteucinetus Bullians & Leschen … 2

- Elytra with transverse strigulae ( Figs 77–88 View FIGURES 73–88 ); ratio of body length to elytral width greater than 1.60 ( Figs 1–29 View FIGURES 1–12 View FIGURES 13–23 View FIGURES 24–33 ); ratio of greatest depth to elytral width usually less than 0.70; posterior edge of mesoventrite notched ( Fig. 101 View FIGURES 89–103 ); anterior edge of labrum more or less truncate, without median notch ( Figs 123, 127 View FIGURES 119–132 ); hind wings well-developed or absent; parameres more or less equal in length to penis ( Figs 128–139 View FIGURES 119–132 View FIGURES 133–148 )................................................. Eucinetus Germar View in CoL … 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 View FIGURES 24–33 ); mesotibia in both sexes with two spurs, one of which in male is apically widened and cleft ( Fig. 108 View FIGURES 104–118 ); free portion of paramere narrow and parallel-sided; Victoria ( Figs 140–141 View FIGURES 133–148 )................................................................................................... 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 View FIGURES 24–33 ); 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 View FIGURES 133–148 )........................................... 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 View FIGURES 89–103 ); hind wings welldeveloped; inner eye margin with distinct notch ( Fig. 35 View FIGURES 34–51 ); scutellar shield somewhat rounded at apex ( Fig. 100 View FIGURES 89–103 )......... 4

- Metanepisternum distinctly shorter than mesepimeron and about as long as wide ( Fig. 95 View FIGURES 89–103 ); hind wings absent; inner eye margin without distinct notch ( Fig. 34 View FIGURES 34–51 ); scutellar shield sharply acute at apex ( Fig. 103 View FIGURES 89–103 )................................... 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 View FIGURES 52–72 ).................................................................... 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 View FIGURES 52–72 ); pronotum red and elytra black ( Figs 15–16, 20–23 View FIGURES 13–23 ).................. 6

5(4). Upper surfaces entirely black ( Figs 24–25 View FIGURES 24–33 ); 11th antennomere less than 1.8 times as long as wide ( Fig. 45 View FIGURES 34–51 ); northern QLD.............................................................................. Eucinetus nebulosus sp. nov.

- Head, pronotum and scutellar shield red, elytra black ( Figs 28–29 View FIGURES 24–33 ); 11th antennomere more than 2.00 times as long as wide ( Fig. 51 View FIGURES 34–51 ); northern QLD.......................................................... Eucinetus tropicus sp. nov.

6(4). Head at least partly black ( Fig. 16 View FIGURES 13–23 ); apical maxillary palpomere less than 1.4 times as long as wide and more strongly, obliquely expanded apically ( Figs 57–58 View FIGURES 52–72 ); 3rd antennomere only slightly shorter than 4th ( Fig. 36 View FIGURES 34–51 ); 11th antennomere less than 1.5 times as long as wide ( Fig. 47 View FIGURES 34–51 ); central NSW to northern QLD............................. Eucinetus lorien sp. nov.

- Head red ( Fig. 23 View FIGURES 13–23 ); apical maxillary palpomere more than 1.6 times as long as wide and less strongly, obliquely expanded apically ( Fig. 63 View FIGURES 52–72 ); 3rd antennomere much shorter than 4th; 11th antennomere more than 1.7 times as long as wide ( Fig. 49 View FIGURES 34–51 ); 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 View FIGURES 13–23 ).................................................. 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 View FIGURES 1–12 , 26–27 View FIGURES 24–33 )........................................... 9

- Pronotum red, elytra primarily black ( Figs 1–4 View FIGURES 1–12 , 13–14 View FIGURES 13–23 , 28–29 View FIGURES 24–33 )................................................ 11

9(8). Length less than 2.00 mm; apical antennomere ( Fig. 42 View FIGURES 34–51 ) at least 2.00 times as long as wide; apical maxillary palpomere ( Fig. 55 View FIGURES 52–72 ) 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 View FIGURES 1–12 ); parameres distinctly bowed outwardly ( Figs 12 View FIGURES 1–12 , 143 View FIGURES 133–148 ); 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 View FIGURES 52–72 ); parameres not outwardly bowed ( Figs 130 View FIGURES 119–132 , 136 View FIGURES 133–148 )... .. 10

10(9). Apical antennomere ( Fig. 41 View FIGURES 34–51 ) 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 View FIGURES 1–12 ); upper surfaces more distinctly curved in lateral view ( Fig. 6 View FIGURES 1–12 ); length 2.00–2.20 (2.10 ± 0.07) mm; ACT...................................................................................... Eucinetus brindabellae sp. nov.

- Apical antennomere ( Fig. 50 View FIGURES 34–51 ) 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 View FIGURES 24–33 ); upper surfaces very slightly curved in lateral view ( Fig. 27 View FIGURES 24–33 ); 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 View FIGURES 1–12 , 23 View FIGURES 13–23 ).... 12

- Length greater than 2.00 mm; head always black ( Figs 1–2 View FIGURES 1–12 , 13–14 View FIGURES 13–23 )............................................ 13

12(11). Male protibia and basal protarsomeres distinctly expanded ( Figs 92, 99 View FIGURES 89–103 ); terminal antennomere at least 1.9 times as long as wide, parallel-sided and apically truncate ( Fig. 44 View FIGURES 34–51 ); 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 View FIGURES 133–148 ); 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 View FIGURES 34–51 ); parameres at middle as wide as or slightly wider than penis at same point; penis not expanded subapically ( Fig. 129 View FIGURES 119–132 ); TAS....................................................... Eucinetus bicolorellus sp. nov.

13(11). Pronotum red; head, scutellar shield, elytra and undersides black ( Figs 1–2 View FIGURES 1–12 ); 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 View FIGURES 34–51 ); VIC....................................................................................... Eucinetus bicolor sp. nov.

- Pronotum, scutellar shield and sides of elytra red; head and most of elytra black ( Figs 13–14 View FIGURES 13–23 ); 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 View FIGURES 34–51 ); northern NSW, southern QLD..................................................... Eucinetus limitaris sp. nov.