Seasonal development of Fiorinia externa , Tsugaspidiotus tsugae (Homoptera: Diaspididae), and their parasite, Aspidiotiphagus citrinus (Hymenoptera: Aphelinidae); importance of

Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith