Triphosa dubitata

For the other moth with this common name, see Triphosa haesitata.

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.

Triphosa dubitata
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Geometridae
Genus:	Triphosa
Species:	T. dubitata
Binomial name
Triphosa dubitata (Linnaeus, 1758)
Synonyms
Phalaena dubitata Linnaeus, 1758

The wingspan is 38–48 mm. Adults are on wing from August to September depending on the location.

Fig 1 larvae after final moult

The larvae feed on bird cherry (Prunus padus), Rhamnus species (including alder buckthorn (Rhamnus frangula), buckthorn (Rhamnus cathartica) and ash (Fraxinus excelsior).

Subspecies

• Triphosa dubitata dubitata
• Triphosa dubitata amblychiles Prout, 1937