Triphosa dubitata
Triphosa dubitata, the tissue, is a moth of the family Geometridae. The species was first described by Carl Linnaeus in his 1758 10th edition of Systema Naturae. It is found from north-west Africa across the Palearctic to Japan.
The wingspan is 38–48 mm. Adults are on wing from August to September depending on the location.
[Image:Buckler W The larvæ of the British butterflies and moths PlateCXLII.jpg|thumb|140px|left|
Fig 1 larvae after final moult]
The larvae feed on bird cherry, Rhamnus species, buckthorn and ash.