Photos: Scientists collecting samples in the field; #Ips grandicollis under bark; I. grandicollis eggs and larvae under bark; parasitoid #Roptrocerus xylophagorum larvae on I. grandicollis larvae. All photos courtesy of the article authors.

Photos: Scientists collecting samples in the field; #Ips grandicollis under bark; I. grandicollis eggs and larvae under bark; parasitoid #Roptrocerus xylophagorum larvae on I. grandicollis larvae. All photos courtesy of the article authors.