dear colleagues,
new issue of Insect biodiversity of Socotra Archipelago (vol. 3) has
just been published as a supplement of Acta Entomologica Musei
Nationalis Pragae. All papers are downloadable for free from:
http://www.aemnp.eu/archive/2017/57/s/
Moreover, AEMNP provides free pdfs of all historical issues (since 1923)
including scarab-papers by Balthasar, Vsetecka, Tesar, Petrovitz,
Endrodi ... See: http://www.aemnp.eu/
all the best,
ales