With the summer holiday season in full swing and temperatures climbing across Europe, many of us are reaching for insect repellent to avoid those pesky, itchy bites. But what exactly causes these bites, and is there anything we can do to stop them? 

To help us understand more, Andrea is joined by Collie Ennis, Zoology Research Associate and Biodiversity Officer at Trinity College Dublin, and Catriona O'Riordan, Pharmacist in Cork.

Listen here.