Celeuthetini, Lacordaire, 1863

Riedel, Alexander, 2024, Taxonomic review of weevils of the tribe Celeuthetini, mainly from Sundaland, Sulawesi and the Lesser Sunda Islands (Coleoptera, Curculionidae, Entiminae), Zootaxa 5464 (1), pp. 1-75 : 7-8

publication ID

https://doi.org/ 10.11646/zootaxa.5464.1.1

publication LSID

lsid:zoobank.org:pub:D59F17A0-5576-4EE6-B055-C1E94BE4BE1A

persistent identifier

https://treatment.plazi.org/id/301EB524-FFCE-2502-FF6F-BD80F9EEFD56

treatment provided by

Plazi

scientific name

Celeuthetini
status

 

Key to the genera of Celeuthetini View in CoL from Sundaland, Sulawesi and the Lesser Sunda Islands

1 Protibia ventrally either with row of marked denticles ( Figs. 6b View FIGURE 6 , 7b View FIGURE 7 ) or with blunt tooth in basal half ( Figs. 13b View FIGURE 13 , 14b View FIGURE 14 )...... 2

1´Protibia ventrally simple, or with row of indistinct denticles................................................... 3

2 (1´) Protibia ventrally with row of marked denticles ( Figs. 6b View FIGURE 6 , 7b View FIGURE 7 , 8b View FIGURE 8 ). Profile of rostrum dorsally on same level as forehead................................................................................... Atactoglymma Heller, 1900 View in CoL

2´Protibia ventrally in basal third with blunt tooth ( Figs. 13b View FIGURE 13 , 14b View FIGURE 14 ). Profile of rostrum dorsally above level of forehead ( Fig. 40b View FIGURE 40 )........................................................................... Heteroglymma Faust, 1897 View in CoL

3 (1´) Elytra widest near middle; without marked lateral protrusions................................................... 4

3´Elytra widest in apical 1/3; behind middle with lateral protrusions ( Fig. 1a View FIGURE 1 ).................... Apirocalodes Voss, 1961 View in CoL

4 (3) Apodeme attached to body of penis with flexible loop (e.g. Figs. 4b View FIGURE 4 , 5b View FIGURE 5 , 23b View FIGURE 23 ). Transfer apparatus flagelliform............ 5

4´Apodeme firmly attached to body of penis (e.g. Figs. 1b View FIGURE 1 , 27b View FIGURE 27 , 37b View FIGURE 37 ). Transfer apparatus spiniform or flagelliform.......... 7

5 (4) Body largely covered with green scaling. Apical declivity of rostrum with sunk-in scales..... Apotomorhamphus Faust, 1897 View in CoL

5´Body of light to dark brownish coloration, with sparse scaling. Apical declivity of rostrum subglabrous or with sparse scales, but these never sunk in................................................................................. 6

6 (5´) Elytra with 12 striae, intervals with nodules except in B. fausti Heller View in CoL ( Figs. 9a View FIGURE 9 , 10a, 10a View FIGURE 10 ).......... Bonthaina Heller, 1900 View in CoL

6´Elytra with 10 striae, intervals simple ( Fig. 23a View FIGURE 23 )............................................ Nothes Marshall, 1956 View in CoL

7 (4´) Smaller, pronotum plus elytron 2.95–4.52 mm .............................................................. 8

7´Larger, pronotum plus elytron 4.60–14.70 mm .............................................................. 9

8 (7) Elytra with 10 striae. Transfer apparatus of male genital long, flagelliform ( Fig. 12 View FIGURE 12 )............ Borneobius Marshall, 1956 View in CoL

8´Elytra with 12 striae. Transfer apparatus of male genital short, spiniform ( Figs. 16–21 View FIGURE 16 View FIGURE 17 View FIGURE 18 View FIGURE 19 View FIGURE 20 View FIGURE 21 )........... Javaulius Marshall, 1956 View in CoL

9 (7´) Elytra with erect bristles, their length exceeding width of elytral interval ( Figs. 22 View FIGURE 22 , 24 View FIGURE 24 , 25 View FIGURE 25 )........................... 10

9´Elytra without long erect bristles; if present, shorter than width of elytral interval.................................. 11

10 (9) Eyes protruding, of conical shape ( Figs. 24a View FIGURE 24 , 25a View FIGURE 25 )................................... Nusasyntrophus Riedel gen. n.

10´Eyes evenly convex, hardly projecting from outline of head ( Fig 22a View FIGURE 22 )....................... Mesocoptus Marshall, 1956 View in CoL

11 (9´) Transfer apparatus of male genital short, spiniform. Species from Sulawesi and surrounding islands................... 12

11´Transfer apparatus of male genital long, flagelliform. Species from Java, Bali and the Lesser Sunda Islands ............. 13

12 (11) Pronotum with four longitudinal lines of white scales ( Figs. 35a View FIGURE 35 , 36a View FIGURE 36 ). Penis in apical half forming more or less distinct lateral ridges, apex concave. Endemic to Sangihe and Banggai Islands............................... Tarunus Marshall, 1956 View in CoL

12´Pronotum usually with scattered scales, but never arranged in four longitudinal lines (e.g. Figs. 30a View FIGURE 30 , 31a View FIGURE 31 , 32a View FIGURE 32 ). Penis in apical half flat or convex in cross-section, in many species apex asymmetrical. Species from Sulawesi and Moluccas......................................................................................... Piezonotus Schoenherr, 1834 View in CoL

13 (11´)Larger, pronotum plus elytron 5.70–10.10 mm. Female ventrites 3–5 dorsally retracted, hardly visible in ventral view................................................................................... Temnogastrus Marshall, 1956 View in CoL

13´Smaller, pronotum plus elytron 3.92–6.13 mm. Female ventrites 3–5 exposed, well visible in ventral view............. 14,

14 (13´)Eyes asymmetrically convex, drawn posteriad. Elytra with 10 striae ( Figs. 24a View FIGURE 24 – 25a View FIGURE 25 )......... Parasyntrophus Riedel gen. n.

14´Eyes evenly convex. Elytra with 12 striae ( Figs. 33a, d View FIGURE 33 , 34a View FIGURE 34 )............................... Syntrophus Marshall, 1956 View in CoL

Kingdom

Animalia

Phylum

Arthropoda

Class

Insecta

Order

Coleoptera

Family

Curculionidae

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