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Has two ‘chevrons’ continuously marked near the outside of each wing, but the wing is also covered with a pattern of dark brown veins
Two ‘chevrons’ continuously marked near the outside of each wing, on an otherwise clear area of wing.
Grass moths -
Small day-
Flight periods overlap too much to help identification but they do differ in size so it is often helpful to measure wing length
1. Chrysoteuchia culmella, Agriphila tristella and Agriphila straminella
2. Crambus perlella, Crambus pascuella and Crambus lathoniellus
Chrysoteuchia culmella -
Longitudinal stripes -
Middle stripe divides into a ‘hand’ with 4 ‘fingers’
Cross-
No V-
Wide middle stripe with a clear edge divides into 4 ‘fingers’
Thick black spotting gives the appearance of shading
Agriphila tristella -
Agriphila straminella -
Longitudinal stripes rather dull with fuzzy edges
A few isolated black spots.
No V-
Note : Another, less common, species -
Crambus perlella wing length about 12 mm
Crambus perlella f warringtonellus
Crambus pascuella Wing length about 12mm
Crambus lathoniellus Wing length about 10mm
Crambus perlella occurs in two common forms. The typical form is white or nearly
white with the longitudinal stripes very subdued and unlike any others in this sub-
No cross-
2 diverging longitudinal stripes going the length of the wing
6 shorter stripes near the outer edge between the two long stripes
The same markings as C. perlella f warringtonellus but very faint
Cross-
Cross-
2 long diverging bright white longitudinal stripes
1 broad bright white longitudinal stripe
Dark cross-
Note : There are several other species similar to Crambus pascuella but they are
not at all common
(See Hantsmoths)
3. Agriphila geniculea, Catoptria falsella and Agriphila inquinatella
Agriphila geniculea
Catoptria falsella
Agriphila inquinatella
The chevrons are more rounded than in Agriphila geniculea and the chevron lines are broken up by the longitudinal veins.