For a first contact with the subject:
Roberto A. Pantaleoni, Carlo Cesaroni & Marco Mattei (2005) Entomologia elementare. Breve guida illustrata alla conoscenza degli Insetti. Sassari
Open access:
https://www.researchgate.net/publication/272792963_Entomologia_elementar...
As an atlas for insect identification:
Micheal Chinery (1986 first ed., 2007 second ed., 2012 third ed) [Collins guide to the] Insects of Britain and Western Europe. Collins (first ed.), A & C Black (second ed.), Bloomsbury Publishing (third ed.)
[any edition, the least recent downloadable online for free]
On the course contents:
Gregory S. Paulson (21005) Handbook to the Construction and Use of Insect Collection and Rearing Devices. A guide for teachers with suggested classroom applications. Springer [downloadable online for free]
