The beetle is strongly discolored by alcohol (not surprising , but the arrangement of black spots can indicate to Glenea vigintiduomaculata (Thomson, 1858). Are there other similar species?
1956-58 - Revision der Gattung Glenea Newm. - Entomologische Arbeiten aus dem Museum G. Frey Tutzing bei München 7 (1-99; 671-893); 9 (229-351; 804-907).