Geometrinae -​ North American Emerald Moths of the US and Canada
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Nemoria lixaria (Guenée, 1857). [7033]
Picture
Nemoria lixaria male, collected Worcester CO., MD, May 2008.
Picture
Nemoria lixaria, reared ex ovum on Quercus, parent female collected Pocomoke State Forest, Worcester Co., MD.
Nemoria lixaria in its warm weather form closely resembles N. bistriaria in wing markings, abdominal spots. Like N. bistriaria, N. lixaria also displays an oblique white band on the foretibia. Male genitalia exhibit the most reliable characteristics to distinguish these two species in areas where they overlap. Nemoria lixaria has been collected as far north as New Jersey and Pennsylvania, south to Alabama and Florida, and as far west as Texas. 

Nemoria lixaria has been shown to express varying degrees of melanic pigment overlaying the green wing color when adults develop and eclose at cool temperatures. The black pigmentation is most evident inside of the am and pm lines, on the abdomen surrounding the white spots on anterior abdominal segments, and on the fringes. In the most extreme cases, the dark pigment may cover a majority of the green wing surface in black shading. Cool weather specimens may also exhibit variations in the ground color of the green wings, with some spring specimens exhibiting a pale, frosty or mint green color and others, especially those with some degree of melanization, varying towards an ochre yellow green. The series of specimens pictured below were experimentally obtained by subjecting late instar larvae and pupae to varying conditions of light and temperature to investigate the effects of seasonal conditions on adult moth wing pigmentation. 

Picture
Picture
The uncus of the male genitalia in Nemoria lixaria is substantially different from that of Nemoria bistriaria, and the spatulate tip of the uncus can often be observed in male specimens with a good microscope even without performing any dissection. Click the hypertext link here for images and discussion of Nemoria lixaria larvae. 
Picture
Picture
Picture
Nemoria lixaria series subjected experimentally to varying degrees of cool temperature and reduced light levels to induce melanic forms.
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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