70.018 BF1715 - Plain Wave - Geometridae - Idaea straminata

70.018 BF1715 - Geometridae - Idaea straminata - Plain Wave

Adult Macro: CAT 2 - Can be confused with other species -

- click for Adult Macro Verification Guidelines

- Rare / Uncommon / Scarce

Taxonomy: Macro >> Geometridae

ID Difficulty: amber

- care required in the identification process, as confusion with similar species is likely - quality photographs required.

ID pointers: Very similar to the un-banded form of Riband Wave (remutata). Slightly smaller with smooth silky grey-brown coloured wings and fainter cross-lines. The third cross-line is missing the kink of Riband Wave.

Distribution: (First record: 1951 ) - (Last record: 12/07/2023 at Staveley ) - A species that seems to be very scarce and locally distributed in Derbyshire, mainly in the central NW. It maybe overlooked amongst Riband Wave Idea remutata. Usually only single specimens trapped most years. Added to the county list in 1951.

Flight Period: June / July / August / - On the wing – June – August.One generation

Moth Activity: Nocturnal - and is attracted to light

Forewing: 13-15mm

Food Plant: Dandelion, Knotgrass.

Last Recorded Date: 12/07/2023

Last Recorded By: Sid Morris

Last Recorded General Area: Staveley

First Recorded Year: 1951