Geometrinae -​ North American Emerald Moths of the US and Canada
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Nemoria caerulescens Prout, 1912. [7042]
Picture
Nemoria caerulescens, adult male. Collection of Carnegie Museum of Natural History (CMNH). Specimen collected 30 July 1989, Rio Arriba Co, NM.
Picture
Nemoria caerulescens, adult female. Collection of Academy of Natural Science of Philadelphia (ANSP). Specimen collected 01 August 1918, Jemez Mountains, NM.
Picture
Nemoria caerulescens, adult female. Collection of National Museum of Natural History (NMNH Smithsonian). Specimen collected 09 August 1989, Bandelier Nat'l Mon. NM.
Picture
Nemoria caerulescens, adult female. Same specimen as female at left, showing yellow-tan front and legs. .
Nemoria caerulescens is a southwestern species with a patchy distribution in Texas, New Mexico, Arizona and Colorado. Paul Opler reported it was known from fewer than five locations in the southwest [Rare and Sensitive Insects of Mesa Verde National Park, Colorado, 2000]. Ferguson (1985) reported caerulescens had been collected from the Davis and Guadalupe Mountains in West Texas, the Sangre de Cristos in New Mexico, the Chiricahua Mountains in southeastern Arizona and Estes Park, Colorado.Nemoria caerulescens has a bluish green wing color that distinguishes it from the even grass green shade of Nemoria obliqua. It is also distinctly striated with broad white bands that are particularly noticeable in the space between the pm lines and the wing margin.  The am and pm lines may be especially wide, though this is not always the case. The abdomen is usually marked with several small but distinct white spots that do not have the red or brown encircling coloration often found on other species. The white spots may occasionally have a very narrow band of yellow marginal scales, but these are often visible only with a microscope. Wing fringes are white, with an outer pinkish shade when the entire fringe length is present and fresh.  Ferguson (1985) reported that a red terminal line is typically absent but may be present in some specimens.
Ferguson (1985) reported the early stages as unknown; we successfully reared Nemoria caerulescens larvae from a female collected in June, 2007 in  Rio Arriba Co., New Mexico but had no success in determining the natural host plant. More recently, Dave Wagner has made clear and definitive associations of this species with the host plant in New Mexico and Texas.

For Nemoria caerulescens larvae, click here

Picture
Nemoria caerulescens, adult male, collected Jemez Springs, NM
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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
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    • Phrudocentra >
      • Phrudocentra centrifugaria
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      • Lophochorista lesteraria
    • Xerochlora >
      • Xerochlora mesotheides
      • Xerochlora viridipallens
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    • Eueana >
      • Eueana niveociliaria
    • Chlorochlamys >
      • Chlorochlamys chloroleucaria >
        • Chlorochlamys chloroleucaria larvae
      • Chlorochlamys triangularis
      • Chlorochlamys appellaria >
        • Chlorochlamys appellaria larvae
        • Chlorochlamys appellaria genitalia
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    • Chloropteryx >
      • Chloropteryx tepperaria
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    • Hemithea >
      • Hemithea aestivaria
    • Thalera >
      • Thalera pistasciaria >
        • Thalera pistasciaria larvae
    • Mesothea >
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  • Other Subfamilies
    • Archiearis infans
    • Campaea perlata
    • Caripeta
    • Eriplatymetra
    • Philtraea
    • Eulithis
    • Hydriomena
    • Stamnodes
    • Cyclophora pendulinaria
  • Immature Stages
  • FCS Research
    • Alypiodes
    • Callidulidae
    • GSENM Research
  • Contact