Nigel Cattlin / Beet armyworm (Spodoptera exigua), group of caterpillars feeding on Chrysanthemum (Chrysanthemum sp) flower. Pests of ornamental plants and many crops. Native to SE Asia.

Nigel Cattlin / Beet armyworm / Small mottled willow (Spodoptera exigua) moth on Cotton (Gossypium sp) flower bud.

Nigel Cattlin / Beet armyworm (Spodoptera exigua) caterpillar on Cotton (Gossypium sp) flower, pest on many crops.

Nigel Cattlin / Cotton leafworm (Spodoptera littoralis) caterpillars feeding on Cotton (Gossypium sp) leaf. Morocco.

Nigel Cattlin / Beet armyworm / Small mottled willow (Spodoptera exigua) moth on Cotton (Gossypium sp) flower bracts.

John Abbott / Armyworm moth (Mythimna unipuncta) composite image Bastrop County, Texas, USA. Controlled conditions. March

Bruce Thomson / Tobacco cutworm / Cotton leafworm moth (Spodoptera litura) resting on a branch, Winton, Queensland, Australia.

Nigel Cattlin / Egyptian / African cotton leafworm / Mediterranean brocade (Spodoptera littoralis) female moth at rest on a cotton leaf

Nigel Cattlin / Lesser armyworm (Spodoptera exigua) caterpillar feeding on a cotton flower, bud, Louisiana, USA, October

Nigel Cattlin / Lesser armyworm (Spodoptera exigua) caterpillar on a damaged cotton leaf, Louisiana, USA