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Polyphyly of Lichen-cryptic Dagger Moths: synonymy of Agriopodes Hampson and description of a new basal acronictine genus, Chloronycta, gen. n. (Lepidoptera, Noctuidae).

Schmidt BC, Wagner DL, Zacharczenko BV, Zahiri R, Anweiler GG - Zookeys (2014)

Bottom Line: The immature stages of Chloronycta tybo comb. n. are described and illustrated for the first time.Although previously treated as a valid species, we show that Agriopodes geminata (Smith) represents the northern terminus of clinal variation in wing pattern of A. fallax and synonymize A. geminata under A. fallax (syn. n.).The history and identity of Agriopodes corticosa (Boisduval), a nomen dubium, is discussed.

View Article: PubMed Central - HTML - PubMed

Affiliation: Canadian Food Inspection Agency, Canadian National Collection of Insects, Arachnids, and Nematodes, K.W. Neatby Bldg., 960 Carling Ave., Ottawa, ON, Canada K1A 0C6.

ABSTRACT
The taxonomic composition and systematic position of Agriopodes Hampson is examined through an integrated approach using adult and larval morphology, biology, and molecular sequence data. The type-species of Agriopodes, Moma fallax Herrich-Schäffer is shown to be derived within the Acronicta grisea Walker species-group; accordingly, Agriopodes is relegated to synonymy under Acronicta Ochsenheimer, syn. n. (Acronictinae). Additionally, molecular markers and morphology show that Agriopodes is not monophyletic: Agriopodes tybo (Barnes) is not closely related to A. fallax nor to Acronicta, and is transferred to a new genus, Chloronycta Schmidt & Anweiler, gen. n. The immature stages of Chloronycta tybo comb. n. are described and illustrated for the first time. Although previously treated as a valid species, we show that Agriopodes geminata (Smith) represents the northern terminus of clinal variation in wing pattern of A. fallax and synonymize A. geminata under A. fallax (syn. n.). The history and identity of Agriopodes corticosa (Boisduval), a nomen dubium, is discussed.

No MeSH data available.


Phylogenetic placement of Agriopodes fallax (terminal branch in red) relative to 12 additional acronictine taxa, based on Bayesian analysis of eight gene regions. Bootstrap support values >50% are given for internal branches.
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Figure 1: Phylogenetic placement of Agriopodes fallax (terminal branch in red) relative to 12 additional acronictine taxa, based on Bayesian analysis of eight gene regions. Bootstrap support values >50% are given for internal branches.

Mentions: Molecular analysis. Phylogenetic analyses of the multi-gene dataset resolved a well-supported monophyletic Acronicta clade with the inclusion of Acronicta fallax, which placed as the sister species to a group consisting of Acronicta superans Guenée, Acronicta grisea Walker, Acronicta tritona (Hübner) and Acronicta vinnula (Grote) (Fig. 1). As discussed below, these four species represent two structurally delimited groups, with grisea, tritona and vinnula in the tritona-group and superans in the hasta-group (Schmidt and Anweiler unpubl. data).


Polyphyly of Lichen-cryptic Dagger Moths: synonymy of Agriopodes Hampson and description of a new basal acronictine genus, Chloronycta, gen. n. (Lepidoptera, Noctuidae).

Schmidt BC, Wagner DL, Zacharczenko BV, Zahiri R, Anweiler GG - Zookeys (2014)

Phylogenetic placement of Agriopodes fallax (terminal branch in red) relative to 12 additional acronictine taxa, based on Bayesian analysis of eight gene regions. Bootstrap support values >50% are given for internal branches.
© Copyright Policy - creative-commons-attribution
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=PMC4109473&req=5

Figure 1: Phylogenetic placement of Agriopodes fallax (terminal branch in red) relative to 12 additional acronictine taxa, based on Bayesian analysis of eight gene regions. Bootstrap support values >50% are given for internal branches.
Mentions: Molecular analysis. Phylogenetic analyses of the multi-gene dataset resolved a well-supported monophyletic Acronicta clade with the inclusion of Acronicta fallax, which placed as the sister species to a group consisting of Acronicta superans Guenée, Acronicta grisea Walker, Acronicta tritona (Hübner) and Acronicta vinnula (Grote) (Fig. 1). As discussed below, these four species represent two structurally delimited groups, with grisea, tritona and vinnula in the tritona-group and superans in the hasta-group (Schmidt and Anweiler unpubl. data).

Bottom Line: The immature stages of Chloronycta tybo comb. n. are described and illustrated for the first time.Although previously treated as a valid species, we show that Agriopodes geminata (Smith) represents the northern terminus of clinal variation in wing pattern of A. fallax and synonymize A. geminata under A. fallax (syn. n.).The history and identity of Agriopodes corticosa (Boisduval), a nomen dubium, is discussed.

View Article: PubMed Central - HTML - PubMed

Affiliation: Canadian Food Inspection Agency, Canadian National Collection of Insects, Arachnids, and Nematodes, K.W. Neatby Bldg., 960 Carling Ave., Ottawa, ON, Canada K1A 0C6.

ABSTRACT
The taxonomic composition and systematic position of Agriopodes Hampson is examined through an integrated approach using adult and larval morphology, biology, and molecular sequence data. The type-species of Agriopodes, Moma fallax Herrich-Schäffer is shown to be derived within the Acronicta grisea Walker species-group; accordingly, Agriopodes is relegated to synonymy under Acronicta Ochsenheimer, syn. n. (Acronictinae). Additionally, molecular markers and morphology show that Agriopodes is not monophyletic: Agriopodes tybo (Barnes) is not closely related to A. fallax nor to Acronicta, and is transferred to a new genus, Chloronycta Schmidt & Anweiler, gen. n. The immature stages of Chloronycta tybo comb. n. are described and illustrated for the first time. Although previously treated as a valid species, we show that Agriopodes geminata (Smith) represents the northern terminus of clinal variation in wing pattern of A. fallax and synonymize A. geminata under A. fallax (syn. n.). The history and identity of Agriopodes corticosa (Boisduval), a nomen dubium, is discussed.

No MeSH data available.