Geometrinae -​ North American Emerald Moths of the US and Canada
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Nemoria bistriaria Hubner, 1818. [7046]
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Nemoria bistriaria, green summer form
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Nemoria bistriaria, brown spring form
Nemoria bistriaria is perhaps the most widespread Nemoria species in the east, found in eastern forests from Mississippi to Quebec and as far west as Illinois, Missouri and Texas. It is distinctive in its abdominal markings, the presence of a red terminal line on the wings with checkered pink fringe, and the presence of a small white band on the front of a rust red foretibia. The white am and pm lines vary in strength and clarity among specimens, and in some specimens the am line is very faint. In general, the lines are fairly thin compared to some of the Western species of the genus. Nemoria bistriaria is occasionally confused with Nemoria lixaria, which overlaps a large portion of its southern range. Nemoria lixaria never occurs in a brown form, and often has brighter, stronger red markings on the wing margins.Nemoria bistriaria occurs in a seasonal brown form where the green color of the wings is entirely replaced by a light coffee color. In some areas, the brown form appears to represent the majority or the entirety of the first brood of adults to eclose.
Larvae of Nemoria bistriaria are polyphagous and in form are typical for the group of Nemoria species that includes the Eastern N. bifilata and N. rubrifrontaria and the Western N. caerulescens and N. festaria. For images of Nemoria bistriaria eggs and larvae, click here. 

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Nemoria bistriaria, adult female, green form at left, brown spring form at right.
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Northern subspecies Nemoria bistriaria siccifolia, collected Addison Co., VT.
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Nemoria bistriaria rubromarginaria, subspecies from Packard 1876. This adult collected and determined by JG Franclemont from Ithaca, NY, 08 May 1939. Specimen collection of California Academy of Sciences.
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  • Home
  • Geometrine Species
    • Chlorosea >
      • Chlorosea banksaria
      • Chlorosea margaretaria
      • Chlorosea roseitacta
    • Nemoria >
      • Nemoria mimosaria
      • Nemoria bistriaria >
        • Nemoria bistriaria larvae
      • Nemoria rubrifrontaria >
        • Nemoria rubrifrontaria larvae
      • Nemoria elfa >
        • Nemoria elfa larvae
      • Nemoria tuscarora >
        • Nemoria tuscarora larvae
      • Nemoria lixaria >
        • Nemoria lixaria larvae
      • Nemoria bifilata >
        • Nemoria bifilata larvae
      • Nemoria catachloa >
        • Nemoria catachloa larvae
      • Nemoria outina >
        • Nemoria outina larvae
      • Nemoria saturiba >
        • Nemoria saturiba larvae
      • Nemoria arizonaria >
        • Nemoria arizonaria larvae
      • Nemoria darwiniata >
        • Nemoria darwiniata larvae
      • Nemoria unitaria >
        • Nemoria unitaria larvae
      • Nemoria pulcherrima >
        • Nemoria pulcherrima larvae
      • Nemoria mutaticolor
      • Nemoria daedalea
      • Nemoria diamesa
      • Nemoria latirosaria
      • Nemoria viridicaria
      • Nemoria subsequens
      • Nemoria albaria
      • Nemoria pistaciaria
      • Nemoria extremaria
      • Nemoria zelotes
      • Nemoria obliqua >
        • Nemoria obliqua larvae
      • Nemoria splendidaria
      • Nemoria zygotaria >
        • Nemoria zygotaria larvae
      • Nemoria intensaria
      • Nemoria leptalea
      • Nemoria caerulescens >
        • Nemoria caerulescens larvae
      • Nemoria strigataria >
        • Nemoria strigataria larvae
      • Nemoria festaria >
        • Nemoria festaria larvae
      • Nemoria albilineata >
        • Nemoria albilineata larvae
      • Nemoria glaucomarginaria >
        • Nemoria glaucomarginaria larvae
      • Nemoria rindgei
    • Dichorda >
      • Dichorda iridaria >
        • Dichorda iridaria larvae
      • Dichorda consequaria
      • Dichorda illustraria >
        • DIchorda illustraria larvae
      • Dichorda rectaria >
        • Dichorda rectaria larvae
    • Dichordophora >
      • Dichordophora phoenix
    • Synchlora >
      • Synchlora cupedinaria
      • Synchlora aerata >
        • Synchlora aerata larvae
      • Synchlora frondaria >
        • Synchlora frondaria larvae
      • Synchlora xysteraria
      • Synchlora herbaria
      • Synchlora noel
      • Synchlora gerularia
      • Synchlora irregularia
      • Synchlora bistriaria
      • Synchlora pectinaria
      • Synchlora faseolaria
      • Synchlora graefiaria
    • Phrudocentra >
      • Phrudocentra centrifugaria
    • Lophochorista >
      • Lophochorista lesteraria
    • Xerochlora >
      • Xerochlora mesotheides
      • Xerochlora viridipallens
      • Xerochlora inveterascaria
      • Xerochlora martinaria
      • Xerochlora masonaria
    • Eueana >
      • Eueana niveociliaria
    • Chlorochlamys >
      • Chlorochlamys chloroleucaria >
        • Chlorochlamys chloroleucaria larvae
      • Chlorochlamys triangularis
      • Chlorochlamys appellaria >
        • Chlorochlamys appellaria larvae
        • Chlorochlamys appellaria genitalia
      • Chlorochlamys phyllinaria
    • Chloropteryx >
      • Chloropteryx tepperaria
      • Chloropteryx nordicaria
      • Chloropteryx paularia
    • Hemithea >
      • Hemithea aestivaria
    • Thalera >
      • Thalera pistasciaria >
        • Thalera pistasciaria larvae
    • Mesothea >
      • Mesothea incertata
  • Other Subfamilies
    • Archiearis infans
    • Campaea perlata
    • Caripeta
    • Eriplatymetra
    • Philtraea
    • Eulithis
    • Hydriomena
    • Stamnodes
    • Cyclophora pendulinaria
  • Immature Stages
  • FCS Research
    • Alypiodes
    • Callidulidae
    • GSENM Research
  • Contact