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

 

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.

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Eucinetidae

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