Ipimorpha retusa

The double kidney (Ipimorpha retusa) is a moth of the family Noctuidae. It is found in most of Europe. In the east, the range extends through Turkey, Siberia, Mongolia and China to Korea and Japan. The habitat consists of damp marshy places.

Ipimorpha retusa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Superfamily:	Noctuoidea
Family:	Noctuidae
Genus:	Ipimorpha
Species:	I. retusa
Binomial name
Ipimorpha retusa (Linnaeus, 1761)[1]
Synonyms
Phalaena retusa Linnaeus, 1761 Phalaena vetula Hübner, 1788 Phalaena (Tortrix) merianana Lang, 1789 Phalaena (Noctua) chrysoglossa Beckwith, 1794 Noctua gracilis Haworth, 1809 (preocc. Denis & Schiffermüller, 1775) Cosmia curvata Butler, 1886

Technical description and variation

For a key to the terms used, see Glossary of entomology terms.

I. retusa L. (= vetula Hbn.) (46 h). Forewing olive brown dusted with whitish; inner and outer lines fine, nearly straight, parallel to each other, slightly oblique inwards, and paler edged; subterminal irregular, pale, with a darker shade beyond it; stigmata darker, edged with paler; the reniform on a darker median shade; hindwing fuscous, fringe whitish; — the form gracilis Haw. (= curvata Btlr.) is a redder form. Larva pale green; dorsal line broadly, the two subdorsal slenderly, white; the spiracular line white, waved; head green or dark brown. ^[2] The wingspan is 28–32 mm.

Figs 5, 5a, 5b, 5c larvae in various stages

Biology

Adults are on wing from July to September.