A new cryptic Sympistis from eastern North America revealed by novel larval phenotype and host plant association (Lepidoptera, Noctuidae, Oncocnemidinae)

Zacharczenko, Brigette; Wagner, David L.; Hatfield, M. J.

doi:10.3897/zookeys.379.5765

Cited by 4 publications

(1 citation statement)

References 9 publications

(15 reference statements)

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“…Some Sympistis (e.g., Sympistis forbesi Zacharczenko & Wagner, 2014, Sympistis piffardi (Walker, 1862)) are known to over-winter as eggs (McCabe 1985; Zacharczenko et al 2014), others (e.g. Sympistis perscripta (Guenée, 1852)) as pupae (Wagner et al 2011), but none as larvae.…”

Section: Systematicsmentioning

confidence: 99%

Two psammophilic noctuids newly associated with beach plum, Prunus maritima (Rosaceae): The Dune Noctuid (Sympistis riparia) and Coastal Heathland Cutworm (Abagrotis benjamini) in Northeastern North America (Lepidoptera, Noctuidae)

Goldstein¹,

Nelson²

2017

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Beach plum, Prunus maritima Marshall, 1785 not Wangenh., 1787 (Rosaceae), currently under development as a potential crop, represents an under-acknowledged host plant for several Lepidoptera that have undergone declines in the northeastern USA. The Coastal Heathland Cutworm, Abagrotis nefascia (Smith, 1908), and the Dune Noctuid, Sympistis riparia (Morrison, 1875), are unrelated species of psammophilic noctuines (Lepidoptera: Noctuidae) regularly encountered on a localized basis in coastal southern New England and New York, and whose precise life history requirements are undocumented. We inferred and, based on field observation and rearing, corroborated beach plum as a larval host for these species in Massachusetts; the plant’s role in sustaining other moths with limited or contracting regional distributions is discussed. Sympistis riparia, belonging to a widely distributed complex of closely related species, has been associated specifically with both maritime and freshwater dunes. The eastern populations of Abagrotis nefascia represent a conspicuous range disjunction, separated from the nearest western populations by more than 2000 miles, and originally described by Franclemont as race benjamini of Abagrotis crumbi, both later synonymized with Abagrotis nefascia. Following examination of types and other material, an evaluation of putatively diagnostic features from both the original description and our own observations, genitalic characters, and the results of provisional barcode analyses, Abagrotis benjamini Franclemont, stat. rev., is elevated to the rank of a valid species rather than representing eastern populations of Abagrotis nefascia (=crumbi) to which it originally referred.

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