Attraction, arrestment, and preference by immature Trogoderma variabile and Trogoderma granarium to food and pheromonal stimuli

The invasive khapra beetle, Trogoderma granarium, is an economically destructive species and the only stored product insect pest that is quarantined in the USA. In the past several decades, there have been an increasing number of interceptions of T. granarium at ports in the USA. The established trap and lure used for surveillance of T. granarium in high risk areas was developed 30 years ago, but since then new lures containing food and/or...