Columbia subject headings:
Harvard subject headings:
Agricultural ecology--Congresses
Forest ecology--Congresses
Insect communities--Congresses.
Insect pests--Congresses
Insect-plant relationships--Congresses
Princeton subject headings:
Agricultural ecology--Congresses.
Forest ecology--Congresses.
Insect pests--Congresses.
Insect-plant relationships--Congresses.