Presence and distribution of sensory structures on the mouthparts of self-medicating moths

Zaspel, Jennifer M.; Coy, Samuel; Habanek, K.; Weller, Susan J.

doi:10.1016/j.jcz.2013.06.001

Cited by 12 publications

(7 citation statements)

References 19 publications

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“…Our results regarding adult pharmacophagy on PA plants confirm earlier studies [5] – [6] , [10] that inferred multiple origins of this behavior within the subfamily. In examined pharmacophagous species, this habit is accompanied by apparently unique sensory structures on the mouthparts of adults [86] . This recent study reported a statistically significant increase in the number of putative PA chemoreceptors on the proboscides of PA pharmacophagous adults when compared with non-pharmacophagous adults or adults of species that obtain PAs only during the larval stages [86] .…”

Section: Discussionmentioning

confidence: 99%

“…In examined pharmacophagous species, this habit is accompanied by apparently unique sensory structures on the mouthparts of adults [86] . This recent study reported a statistically significant increase in the number of putative PA chemoreceptors on the proboscides of PA pharmacophagous adults when compared with non-pharmacophagous adults or adults of species that obtain PAs only during the larval stages [86] . An intriguing possibility is that micromorphology may be used to predict adult pharmacophagous behavior.…”

Section: Discussionmentioning

confidence: 99%

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Phylogeny and Evolution of Pharmacophagy in Tiger Moths (Lepidoptera: Erebidae: Arctiinae)

et al. 2014

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The focus of this study was to reconstruct a phylogenetic hypothesis for the moth subfamily Arctiinae (tiger moths, woolly bears) to investigate the evolution of larval and adult pharmacophagy of pyrrolizidine alkaloids (PAs) and the pathway to PA chemical specialization in Arctiinae. Pharmacophagy, collection of chemicals for non-nutritive purposes, is well documented in many species, including the model species Utetheisa ornatrix L. A total of 86 exemplar ingroup species representing tiger moth tribes and subtribes (68 genera) and nine outgroup species were selected. Ingroup species included the most species-rich generic groups to represent the diversity of host-plant associations and pharmacophagous behaviors found throughout Arctiinae. Up to nine genetic markers were sequenced: one mitochondrial (COI barcode region), one nuclear rRNA (D2 region, 28S rRNA), and seven nuclear protein-coding gene fragments: elongation factor 1-α protein, wingless, ribosomal protein subunit S5, carbamoylphosphate synthase domain regions, glyceraldehyde-3-phosphate dehydrogenase, isocitrate dehydrogenase and cytosolic malate dehydrogenase. A total of 6984 bp was obtained for most species. These data were analyzed using model-based phylogenetic methods: maximum likelihood (ML) and Bayesian inference (BI). Ancestral pharmacophagous behaviors and obligate PA associations were reconstructed using the resulting Bayes topology and Reconstructing Ancestral States in Phylogenies (RASP) software. Our results corroborate earlier studies on the evolution of adult pharmacophagous behaviors, suggesting that this behavior arose multiple times and is concentrated in the phaegopterine-euchromiine-ctenuchine clade (PEC). Our results suggest that PA specialization may have arisen early in the phylogeny of the subfamily and that facultative larval pharmacophagous behaviors are the derived condition.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Phylogeny and Evolution of Pharmacophagy in Tiger Moths (Lepidoptera: Erebidae: Arctiinae)

et al. 2014

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“…The derived proboscis possesses specialized structural modifications adapted to flower and nonflower‐visiting habits (Krenn, 2010; Lehnert et al, 2016; Molleman et al, 2005). Previous studies on antennal and proboscis sensilla of Lepidoptera focused on Pyralidae (Castrejón Gómez et al, 2003; Sun et al, 2011), Hesperiidae (Yuan et al, 2014), Saturniidae (da Silva et al, 2019), Gelechiidae (Bawin et al, 2017), Tortricidae (Roh et al, 2016, 2018; Walters et al, 1998), Nymphalidae (Krenn et al, 2001), Erebidae (Zaspel et al, 2011, 2013), Noctuidae (Castrejón‐Gómez et al, 1999; Chang et al, 2015; Chen et al, 2019; Seada, 2015; Xue et al, 2016; Xue & Hua, 2014; Zenker et al, 2011).…”

Section: Introductionmentioning

confidence: 99%

Sensilla of the antenna and proboscis of Athetis lepigone (Möschler) (Lepidoptera: Noctuidae)

Zhang

Wang

et al. 2021

Journal of Morphology

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Sensory structures on the antennae and mouthparts of insects are associated with various activities, such as host location, feeding, attracting a mate, and identifying a suitable oviposition site. Athetis lepigone (Möschler) is an important polyphagous Eurasian pest with more than 30 species of host plants. The larvae target bud leaves, prop roots, and tender stems of many agricultural crops, but the feeding habits of the adults remain poorly known. Aiming to understand the feeding behavior of the species, we investigated the fine morphology of its antennae and proboscis using scanning electron microscopy. The antennae of both sexes are filiform, and bear eight types of sensilla: Böhm's bristles, sensilla squamiformia, trichodea, chaetica, basiconica, coeloconica, styloconica, and auricillica. Sensilla trichodea are the most abundant among these sensillum types. The proboscis consists of two elongated, interlocked maxillary galeae that enclose the food canal by dorsal and ventral legulae. The external galeal surface is covered with numerous triangular microtrichia on Zone 1 and abundant blunt microbumps on Zone 2. The surface of the food canal bears closely connected and smooth semicircular ridges, gradually tapering toward the proboscis tip. Three types of sensilla are noticeable on the proboscis: sensilla trichodea, basiconica, and styloconica. We briefly discuss the putative functional significance of the antennal and proboscis sensilla and, based on the specific structural modifications of the proboscis, predict a flower‐visiting habit for A. lepigone.

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“…The proboscis is equipped with microtrichia, a row of lamellata, several porous sensilla, and a small muscle attached to the tubules along with the bristle-shaped sensilla (Krenn & Kristensen, 2004). Sensilla play important roles in feeding behavior and host site (Zaspel et al, 2013). The outer surface of the Lepidopteran proboscis can bear six morphological sensilla types: basiconicum, chaeticum, styloconicum, filiformium, coeloconicum, and campaniformium.…”

Section: Introductionmentioning

confidence: 99%

The Morphology of the Sensilla on the Proboscis of Aporia crataegi (Linnaeus, 1758) (Lepidoptera: Pieridae)

Candan

Koçakoğlu

2022

Comm. J. Biol.

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Proboscis structure and sensilla types are important morphological characters for the systematic analysis of Lepidoptera families. There is no study on proboscis structure and sensilla types of Aporia crataegi (Linnaeus, 1758) (Lepidoptera: Pieridae) despite the fact that it is an important pest. For this purpose, the sensilla types and proboscis structure of A. crataegi were investigated by using stereomicroscope and scanning electron microscope in detail. The results show that the proboscis of A. crataegi has three sensillum types (sensilla basiconica, sensilla trichodea, and sensilla styloconica). Sensilla basiconica consists of a sensory cone with a single terminal pore surrounded by a shallow socket and has a flat surface. Sensilla trichodea (chaetica) is bristle-shaped. The bristles of sensilla trichodea are poreless and smooth. Sensilla styloconicum has a smooth stylus, blunt tip, and long peg. In this study, the proboscis structure and sensilla types of A. crataegi were discussed with morphological similarities and differences of the other lepidopteran species’ proboscis structure and sensilla types. Thus, they contribute to the understanding of proboscis structure and sensilla types in Lepidoptera including Pieridae.

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Presence and distribution of sensory structures on the mouthparts of self-medicating moths

Cited by 12 publications

References 19 publications

Phylogeny and Evolution of Pharmacophagy in Tiger Moths (Lepidoptera: Erebidae: Arctiinae)

Phylogeny and Evolution of Pharmacophagy in Tiger Moths (Lepidoptera: Erebidae: Arctiinae)

Sensilla of the antenna and proboscis of Athetis lepigone (Möschler) (Lepidoptera: Noctuidae)

The Morphology of the Sensilla on the Proboscis of Aporia crataegi (Linnaeus, 1758) (Lepidoptera: Pieridae)

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