Species Perizoma custodiata - Hodges#7328

7328

Perizoma custodiata (Guenée, [1858])

Eubolia custodiata Guenée, [1858]

wingspan 22-29 mm

larva length to 30 mm

Adult: forewing with alternating light and dark brown vertical bands (number and color/intensity of bands varies considerably among individuals); PM line bulges slightly near middle and again near costa; subterminal line, white, distinctly scalloped; hindwing paler, muted gray or yellowish with faint PM, ST, and terminal lines

Larva: body uniformly light green or brown

California and Arizona to Saskatchewan and British Columbia

marshy areas where larval foodplant grows

adults fly from March to November in the south (California); May to September in the north (Alberta)

larvae feed on Alkali Seaheath (Frankenia salina) in coastal California, and probably other species of Frankenia farther north and/or inland

presumably overwinters as a pupa

Anticlea multiferata forewing has straight ST line (not scalloped) and parallel straight lines across wing; species of Rheumaptera have many zigzag lines across wing (compare images of 4 species at CBIF)

other species of Perizoma have a noticeably different forewing pattern

Powell, J.A. & P.A. Opler, 2009. Moths of Western North America. University of California Press, p. 226; pl. 32, fig. 17. (1)

Moth Photographers Group (2)

Barcode of Life (BOLD)

pinned adult images (Bruce Walsh, Moths of Southeastern Arizona)

live adult images from Arizona and Utah (Larry Line, Maryland)

flight season chart and pinned adult image by G.G. Anweiler (Strickland Entomological Museum, U. of Alberta)

presence in California 26 specimen records with dates and locations (U. of California at Berkeley)

distribution in Canada list of provinces (CBIF)

The Barcode of Life Data Systems (BOLD) (3)