As a population in a world rises, and as conventional breeding seems to be as terrible as the worst nightmare, there appears necessity to find some of alternative sources of "meat". Yes, it's also good opportunity for vegetarians to add every essential amino acid to their diet. Entomophagy can be helpful with improving and ensuring food safety and food security, which is related with new world conception One Health and food -- borne diseases. Potential of insects can be well utilized, but only if they are farming properly, with right biosecurity plans and keeping sufficient hygiene and correct storage. Deeper we go in exploring insects and its good side, perfect nutritional value (FAO, 2010) we also strike on potentional hazards of its consumption. This work will be focused on microbiology (mainly fungi) and parasitology (nematodes) of given specimen in Indonesia, compared with Czech studies.