Yellow Tortrix

Taxonomy

Acleris fimbriana (Thunberg) 

Abbreviation: N/A

Distribution

Yellow tortrix is present in: northern Europe (England, Norway, and countries bordering the Baltic Sea), eastern Europe (Germany south to the Caucasus Mountains), far eastern Asia (Korea, China). Recently intercepted from the Netherlands.

Affected Commodities

Yellow tortix is a pest of the following plants: cut flowers of Astrantia sp. and Spiraea sp.

Recorded to feed on Amygdalus nana, Betula nana, Cerasus sp., Malus domestica, Prunus persica, Prunus spinosa, Spiraea sp., and Vaccinium sp. 

Commodity Damage

Evidence of yellow tortix damage includes: rolled leaves, defoliaton, general loss of plant vigor, and reduced quality of fruit.

Port Inspections

CBP Agriculture Specialists, please refer to manuals for general inspection guidelines. When performing inspections, flip stems upside down and look for leaves that do not hang naturally. Look for and closely examine misshaped, folded, and rolled leaves.

Adult wingspan is 18–20 mm.

Larvae and pupae maybe hiding within the structures. 

 Yellow tortrix adult, dorsal view; Marko Mutanen, University of Oulu, Public domain, via Wikimedia Commons

Yellow tortrix adult, dorsal view; Marko Mutanen, University of Oulu, Public domain, via Wikimedia Commons

 Yellow tortrix adult, lateral view; Marko Mutanen, University of Oulu, Public domain, via Wikimedia Commons

Yellow tortrix adult, lateral view; Marko Mutanen, University of Oulu, Public domain, via Wikimedia Commons