ABH 18.001
Diamond-back Moth Plutella xylostella
BF 0464
Back To (Linnaeus, 1758)
Phenology
JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DECFamily
Plutellidae Wingspan
12-17mm Description
This small moth is colored gray and brown. It can potentially identified by a cream-colored band that may be present in the shape of a diamond on its back. The forewings are narrow, brownish gray and lighter along the anterior margin, with fine, dark speckles. A creamy-colored stripe with a wavy edge on the posterior margin is sometimes constricted to form one or more light-colored diamond shapes,The hindwings are narrow, pointed toward the apex,and light gray, with a wide fringe. The tips of the wings can be seen to turn upward slightly when viewed from the side.The antennae are pronounced
Life Cycle
Common immigrant from mainland Europe, sometimes appearing in vast numbers in all types of habitat throughout the British Isles, becoming established under favourable conditions, when occasionally reaching plague proportions on farmswhere cabbages are grown. .Larva feeds on various Cruciferae beneath a silken web, over-wintering as a pupa.Two or more generations occur between May and September, and the larvae feed on the leaves of certain typesof vegetables as well as weeds.he moth has a short life cycle (14 days at 25 °C),
Habitat
Larva feeds on various Cruciferae beneath a silken web, over-wintering as a pupa. Links
Gen-Det
Images