The immatures of<i>Peridroma saucia</i>(Hübner, [1808]) (Lepidoptera: Noctuidae) revisited: redescription of external morphology of Neotropical populations

Venâncio, Lidia; Carneiro, Eduardo; Specht, Alexandre; Fronza, Edegar; Casagrande, Mirna Martins

doi:10.1080/01650521.2020.1807671

Cited by 6 publications

(6 citation statements)

References 29 publications

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“…The arrangement, number and morphology of the primary setae in the larvae may be important for the identification of species and genera and provide characters of systematic value (Fracker 1915; Peterson 1966; Scoble 1995; Stehr 1987). In Austrandesiina, both body and head chaetotaxies of A. ignicans are the same as that of P. saucia (De Dioses & Colchado 2017; Venâncio et al 2021). Venâncio et al (2021) interpreted the presence of L3 in the abdominal segments of the first‐instar larva.…”

Section: Discussionmentioning

confidence: 96%

“…In Austrandesiina, both body and head chaetotaxies of A. ignicans are the same as that of P. saucia (De Dioses & Colchado 2017; Venâncio et al 2021). Venâncio et al (2021) interpreted the presence of L3 in the abdominal segments of the first‐instar larva. However, observing the high‐resolution photo of the larva provided by the authors, this seta probably corresponds to SV.…”

Section: Discussionmentioning

confidence: 96%

“…Anicla ignicans also have a reduced number of ribs compared to P. saucia . The ribs bear the paired aeropyles in both A. ignicans and P. saucia ; however, in the first, the pair has a fissure between them, while in the second, the openings are isolated (Venâncio et al 2021). Unfortunately, high‐quality images are lacking, preventing more detailed comparisons between the eggs of the Anicla or Austrandesiina species.…”

Section: Discussionmentioning

confidence: 99%

“…In the latest instar, a remarkable character of Asutrandesiina is the format of the spinneret, as the distal margins can bear fringes on the upper and lower margins (Lafontaine 2004). This feature is present in A. ignicans as well as A. infecta (Crumb 1929) and P. saucia (Venâncio et al 2021), while Agrotis and Feltia lack fringes on the upper margin of the spinneret and usually have a central excavation on it (Crumb 1929; Lafontaine 2004). However, the spinneret fringes of the Anicla species are more similar to each other, having a greater number and being more tapered if compared to P. saucia .…”

Section: Discussionmentioning

confidence: 99%

“…However, the morphology of the granules of the integument can change depending on the species and the instar it is found; for example, in the first instar, A. ignicans have granules that are wide, conical and sparser compared to those of the sixth instar, which are more tapered and elongated, like blunt spines, and less spaced. Otherwise, larvae of the first instar of P. saucia bear in the integument tubercular granules distributed on the thorax and abdomen of the larvae, especially on the lateral and ventral (Venâncio et al 2021). Although the information is only available for two species of Austrandesiina, the evaluation of the integumental morphology is relevant to the systematics of Agrotini, as the differences shown are important for distinguishing different instars of the same species, closely related species, as well as genera of the group (Lafontaine 2004).…”

Section: Immature Morphologymentioning

confidence: 99%

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Green cutworm Anicla ignicans (Lepidoptera: Noctuidae): Identity, geographical distribution, immature morphology, host plants and biology in controlled conditions

Piovesan,

Orlandin,

Carneiro

et al. 2024

Austral Entomology

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The subgenus Anicla, commonly known as green cutworms, harbours some of the owlet moths (Lepidoptera: Noctuinae), whose larvae are notable for their economic importance. Knowledge of the immature stages for this group is available for three of the nine described species. Anicla infecta Ochsenheimer, 1816 is widely distributed in the Americas and is especially abundant in agricultural ecosystems. However, in the Neotropics, its economic damage can be confused with sympatric species, including Anicla ignicans (Guenée, 1852), whose distributions overlap in most parts of the American continent. In this sense, here, the identity of A. ignicans is investigated through its geographical distribution, based on molecular and morphological data. Additionally, the morphological and behavioural traits of immature stages were described in detail, information about its geographical distribution and larval host plants was gathered, and the species' biological parameters from larvae reared on an artificial diet were determined. Anicla ignicans is distributed throughout the Neotropical region, preferably in areas with xeric and/or grass‐dominated ecosystems. The eggs present valuable characters to distinguish A. ignicans from other owlet moth species, such as the reduced number of ribs, the way the micropyle openings are arranged and the shape of the aeropyles. However, the larvae show very similar chromatic polymorphisms to other Anicla species. Although A. ignicans prefer to feed on grasses, it was observed that more than 85% of the larvae that were fed with a modified bean‐based Greene diet survived. Additionally, the percentage of time for each phase of development obtained here is very similar for the different species of Anicla, regardless of the temperature or feeding of the larvae.

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