IdentificationA small (2.7 – 3.0 cm wingspan) green moth with broad pointed wings. The wings are bright green. A prominent straight white line crosses both wings diagonally, from the forewing costa just short of the apex to lower part of the inner margin of the hindwing. A second similar line crosses the forewing only near the base. Male antennae bipectinate, female simple. Similar to Nemoria species, but the white line pattern is unique among Alberta moths.
Scientific NameDichorda rectariaHabitat
The larval host plant grows on arid native grassland slopes and valley walls.
Identification
A small (2.7 – 3.0 cm wingspan) green moth with broad pointed wings. The wings are bright green. A prominent straight white line crosses both wings diagonally, from the forewing costa just short of the apex to lower…
A small (2.7 – 3.0 cm wingspan) green moth with broad pointed wings. The wings are bright green. A prominent straight white line crosses both wings diagonally, from the forewing costa just short of the apex to lower part of the inner margin of the hindwing. A second similar line crosses the forewing only near the base. Male antennae bipectinate, female simple. Similar to Nemoria species, but the white line pattern is unique among Alberta moths.
Life History
Poorly known. Adults are nocturnal and come to light. The larval host plant is skunkbush (Rhus trilobata). There is likely a single brood in Alberta. The lone Alberta specimen was collected June 25, 1971.
Range
A western species, found from southern AB south at least to TX, NM, AZ, and CA. In Alberta, known from a single specimen from “Milk River”.
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Citation
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Page Citation for Dichorda rectaria
Page Citation
"Species Details - Dichorda rectaria, University of Alberta E.H. Strickland Entomological Museum." University of Alberta Museums Search Site, https://search.museums.ualberta.ca/g/2-6161. Accessed 02 Jun. 2023.
Authorship
NameAnweiler, G. G.
Rolespecies page author
Date2007
References
AuthorFerguson, D. C
TitleGeometroidea : Geometridae (part)
Pages131
Specimen Information
There is 1 specimen of this Species.
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1 result plotted on map in 1 marker. Note: Only records with latitude and longitude coordinates are plotted on map.