Synonyms and other taxonomic changes
(Prout, 1912) (1)
Prout, 1912 (128)
Explanation of Names
The type specimen, a female, was collected in Phoenix, Arizona; this is the origin of the specific epithet and the suggested common name, Phoenix Emerald.
The only named species of Dichordophora
in America north of Mexico. (1)
♂ 12.5-14.5 mm. (males can be as small as 10.5 mm)
♀ 12-16.5 mm.
Original description online as Dichorda phoenix
Adult: forewing green with straight whitish AM and PM lines that curve slightly at costa; distance along costa between AM and PM lines less than 2x distance between PM line and apex; narrow reddish-brown strip along costa has scattered pale patches; green shading slightly darker along medial edge of AM and PM lines; hindwing green with straight whitish PM line having slightly darker green shading along basal edge
and Nevada to Colorado and Texas. (5)
Moth Photographers Group
- large map with some distribution data.
; adults are nocturnal and come to light.
Arizona and Texas records from April to November. (2)
California records from December to May. (2)
This is the type species of the genus Dichordophora
In species of Dichorda
, distance along costa between AM and PM lines is more than 2x distance between PM line and apex (for example, see image
of Dichorda rectaria
Ferguson, D.C. 1969. A revision of the moths of the subfamily Geometrinae of America north of Mexico (Insecta, Lepidoptera). (2)
Ferguson, D.C, 1985. The Moths of America North of Mexico Fascicle 18.1. Geometroidea, Geometridae (Part), Geometrinae. p. 79; pl. 3.54-56.(1)
Porter, A.H. 1986. Life history of Nemoria glaucomarginaria
(Barnes & McDunnough) and larval taxonomy of the tribe Nemoriini (Geometridae: Geometrinae). (5)
Prout, L.B. 1912. Genera Insectorum, Fascicules 129, Geometridae, p. (128)
pinned adult image
(Bruce Walsh, Moths of Southeastern Arizona)
pinned adult images
plus dates and locations (Friends Central School, Pennsylvania)
Barcode of Life Data Systems (BOLD)
- species account with collection map and photos of pinned adults.
presence in California; list
of 4 specimen records with dates and locations (U. of California at Berkeley)