1) Arthropod family 2) Family gelechiidae 3) Important economic pests 
Deoclonidae Gelechiadae (lapsus) Physoptilinae Gelechiidae is a family of moths commonly referred to as twirler moths or gelechiid moths. They are the namesake family of the huge and little-studied superfamily Gelechioidea, and the Gelechiidae`s relationships with and delimitation against their relatives have been subject to considerable dispute.....
[n] - important economic pests
family Gelechiidae noun important economic pests