| Key
        to the subgenera of Glenea | ||
| ! monotypical species | ||
| 1 | Antennae evidently thick (only SE-Asian species) | 2 | 
| - | Antennae fairly fine | 7 | 
| 2 | Antennomeres 1-3 with dense pubescence | 3 | 
| - | Antennomeres 1-3 smooth (Malaysia, Sumatra) | 4 | 
| 3 | Antennal supports scarcely elevated (Sumatra) | Metaglenea | 
| - | Antennal supports elevated (India) | Mesoglenea | 
| 4 | Antennomere 3 scarcely longer than scape (Malaysia) | Tanylecta | 
| - | Antennomere 3 much longer than scape | 5 | 
| 5 | Prothorax conical (Sumatra) | Grossoglenea | 
| - | Prothorax cylindrical, more or less constricted at base | 6 | 
| 6 | Antennal supports elevated (Malaysia, Sumatra) | Subgrossoglenea | 
| - | Antennal supports scarcely elevated (Borneo, Sumatra) | Rufoglenea | 
| 7 | Interantennal space distinctly narrow | 8 | 
| - | Interantennal space wide | 15 | 
| 8 | Antennal supports scarcely elevated (African species) | 9 | 
| - | Antennal supports evidenty elevated (Asian species) | 10 | 
| 9 | Upper eye-lobes wide | Volumnia | 
| Upper eye-lobes very narrow | Cylindroglenea | |
| 10 | Antennomere 3 very long, much longer than scape (Solomon!) | Vanikoroglenea | 
| - | Antennomere 3 as long as or shorter than scape | 11 | 
| 11 | Prothorax cylindrical, constricted at base | 12 | 
| - | Prothorax conical | 13 | 
| 12 | Scape longer than antennomere IV (Philippines, Sangir) | Parazosne | 
| - | Scape as long as antennomere IV (Sumatra) | Pseudotanylecta | 
| 13 | Antennomere 3 evidently enlarged at apex (India-China) | Rubroglenea | 
| - | Antennomere 3 normal | 14 | 
| 14 | Scape longer than antennomere 4 (Malaysia, Borneo) | Porphyrioglenea | 
| - | Scape as long as antennomere 4 (Philippines) | Punctoglenea | 
| 15 | Elytra with tufts of hairs (Africa) | Fasciculoglenea | 
| - | Elytra without tuft of hairs | 16 | 
| 16 | Scape with longitudinal ridge | 17 | 
| - | Scape smooth | 20 | 
| 17 | Pronotum densely punctured | 18 | 
| - | Pronotum scarcely punctured (only SE Asian species) | 19 | 
| 18 | Humeri proeminent | Aridoglenea | 
| - | Humeri rounded (Philippines) | Brunneoglenea | 
| 19 | Humeral ridge reaching the elytral apex | Stiroglenea | 
| - | Humeral ridge reaching the elytral half | Citrinoglenea | 
| 20 | Humeral ridge of elytra present on the apical half (Sulawesi!) | Euglenea | 
| - | Humeral ridge reaching the humerous | 21 | 
| 21 | Antennomere 4 shorter than 5, sky-blue metallic species (Sumatra, Sulawesi) | Poeciloglenea | 
| - | Antennomere 4 as long as or longer than 5 | 22 | 
| 22 | Elytra with long erect pubescence (Africa) | Moregamus | 
| - | Elytra smooth or with recumbent pubescence | 23 | 
| 23 | Scape long, evidently longer than antennomere 4 | 24 | 
| - | Scape as long as or shorter than antennomere 4 | 27 | 
| 24 | Humeri proeminent (Borneo!) | Reginoglenea | 
| - | Humeri normal | 25 | 
| 25 | Elytra with eleveted ridges, orange species (Africa!) | Jordanoglenea | 
| - | Elytra without elevated ridges | 26 | 
| 26 | Antennomere 3 evidently longer than 4 (Borneo, Philippines) | Acutoglenea | 
| - | Antennomere 3 much longer than 4 (Africa) | Sassoglenea | 
| 27 | Antennomere 3 long, longer than 4 | 28 | 
| - | Antennomere 3 as long as or shorter than 4 (only Asian species) | 35 | 
| 28 | Antennomere 4 much longer as 5 (India) | Accolona | 
| - | Antennomere 4 scarcely longer than 5 | 29 | 
| 29 | Prothorax conical (only Asian species) | 30 | 
| - | Prothorax cylindrical | 32 | 
| 30 | Elytral conical, black species with longitudinal lines (Philippines!) | Vittiglenea | 
| - | Elytral nearly cylindrical, large metallic species with spotted pattern | 31 | 
| 31 | Subhumeral ridge developed, blue species (Malaysia-Philippines-New Guinea) | Macroglenea | 
| - | Subhumeral ridge missing, green species (Philippines!) | Acronioglenea | 
| 32 | Elytra with irregular puncturing | Glenea s. str. | 
| - | Eyltra with regular puncturing | 33 | 
| 33 | Claws dentate (Africa) | Elongatoglenea | 
| - | Claws opposite | 34 | 
| 34 | Antennomere 3 much longer than 4 (Zaire) | Bajoglenea | 
| - | Antennomere 3 scarcely longer than 4 (Borneo) | Lineatoglenea | 
| 35 | Antennomere 3 shorter than 4 (Borneo) | Luteoglenea | 
| - | Antennomere 3 as long as 4 | 36 | 
| 36 | Antennomere 4 shorter than 5 (Vietnam!) | Annuliglenea | 
| - | Antennomere 4 longer than 5 (Borneo!) | Spiniglenea |